| Mayo Clinic Scottsdale | Scottsdale | Arizona | 85259-5499 | - |
| Hembree Mercy Cancer Center at St. Edward Mercy Medical Center | Fort Smith | Arkansas | 72903 | - |
| Arkansas Cancer Research Center at University of Arkansas for Medical Sciences | Little Rock | Arkansas | 72205 | - |
| Providence Saint Joseph Medical Center - Burbank | Burbank | California | 91505 | - |
| North Bay Cancer Center | Fairfield | California | 94533 | - |
| Kaiser Permanente - Fremont | Fremont | California | 94538 | - |
| Kaiser Permanente Medical Center - Hayward | Hayward | California | 94545 | - |
| Memorial Medical Center | Modesto | California | 95355 | - |
| Kaiser Permanente Medical Center - Oakland | Oakland | California | 94611 | - |
| Desert Regional Medical Center Comprehensive Cancer Center | Palm Springs | California | 92262 | - |
| Veterans Affairs Medical Center - Palo Alto | Palo Alto | California | 94304 | - |
| Kaiser Permanente Medical Center - Redwood City | Redwood City | California | 94063 | - |
| Kaiser Permanente Medical Center - Richmond | Richmond | California | 94801 | - |
| Kaiser Permanente Medical Center - Roseville | Roseville | California | 95661 | - |
| Kaiser Permanente Medical Center - Sacramento | Sacramento | California | 95825 | - |
| South Sacramento Kaiser-Permanente Medical Center | Sacramento | California | 95823 | - |
| Kaiser Permanente Medical Office -Vandever Medical Office | San Diego | California | 92120 | - |
| Kaiser Permanente Medical Center - San Francisco Geary Campus | San Francisco | California | 94115 | - |
| Kaiser Permanente Medical Center - Santa Teresa | San Jose | California | 95119 | - |
| Kaiser Foundation Hospital - San Rafael | San Rafael | California | 94903 | - |
| Kaiser Permanente Medical Center - Santa Clara Kiely Campus | Santa Clara | California | 95051 | - |
| Kaiser Permanente Medical Center - Santa Rosa | Santa Rosa | California | 95403 | - |
| Kaiser Permanente Medical Center - South San Francisco | South San Francisco | California | 94080 | - |
| Stanford Cancer Center | Stanford | California | 94305-5824 | - |
| Kaiser Permanente Medical Facility - Stockton | Stockton | California | 95210 | - |
| Camino Medical Group - Treatment Center | Sunnyvale | California | 94088 | - |
| Kaiser Permanente Medical Center - Vallejo | Vallejo | California | 94589 | - |
| Kaiser Permanente Medical Center - Walnut Creek | Walnut Creek | California | 94596 | - |
| Aurora Presbyterian Hospital | Aurora | Colorado | 80012 | - |
| Boulder Community Hospital | Boulder | Colorado | 80301-9019 | - |
| Penrose Cancer Center at Penrose Hospital | Colorado Springs | Colorado | 80933 | - |
| CCOP - Colorado Cancer Research Program | Denver | Colorado | 80224-2522 | - |
| Porter Adventist Hospital | Denver | Colorado | 80210 | - |
| Presbyterian - St. Luke's Medical Center | Denver | Colorado | 80218 | - |
| Rose Medical Center | Denver | Colorado | 80220 | - |
| St. Anthony Central Hospital | Denver | Colorado | 80204 | - |
| St. Joseph Hospital | Denver | Colorado | 80218 | - |
| Swedish Medical Center | Englewood | Colorado | 80110 | - |
| Front Range Cancer Specialists | Fort Collins | Colorado | 80528 | - |
| Poudre Valley Hospital | Fort Collins | Colorado | 80524 | - |
| St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center | Grand Junction | Colorado | 81502 | - |
| North Colorado Medical Center | Greeley | Colorado | 80631 | - |
| Sky Ridge Medical Center | Lone Tree | Colorado | 80124 | - |
| Hope Cancer Care Center at Longmont United Hospital | Longmont | Colorado | 80502 | - |
| McKee Medical Center | Loveland | Colorado | 80539 | - |
| St. Mary - Corwin Regional Medical Center | Pueblo | Colorado | 81004 | - |
| North Suburban Medical Center | Thornton | Colorado | 80229 | - |
| Exempla Lutheran Medical Center | Wheat Ridge | Colorado | 80033 | - |
| Eastern Connecticut Hematology and Oncology Associates | Norwich | Connecticut | 06360 | - |
| Tunnell Cancer Center at Beebe Medical Center | Lewes | Delaware | 19958 | - |
| CCOP - Christiana Care Health Services | Newark | Delaware | 19713 | - |
| Walter Reed Army Medical Center | Washington D.C. | District of Columbia | 20307-5001 | - |
| Eugene M. and Christine E. Lynn Cancer Institute at Boca Raton Community Hospital - Main Campus | Boca Raton | Florida | 33486 | - |
| Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | - |
| University of Florida Shands Cancer Center | Gainesville | Florida | 32610-0232 | - |
| Memorial Cancer Institute at Memorial Regional Hospital | Hollywood | Florida | 33021 | - |
| Baptist Cancer Institute - Jacksonville | Jacksonville | Florida | 32207 | - |
| Mayo Clinic - Jacksonville | Jacksonville | Florida | 32224 | - |
| Ella Milbank Foshay Cancer Center at Jupiter Medical Center | Jupiter | Florida | 33458 | - |
| CCOP - Mount Sinai Medical Center | Miami Beach | Florida | 33140 | - |
| Augusta Oncology Associates - Walton Way | Augusta | Georgia | 30901 | - |
| Northeast Georgia Medical Center | Gainesville | Georgia | 30501 | - |
| Medical Center of Central Georgia | Macon | Georgia | 31208 | - |
| Nancy N. and J. C. Lewis Cancer and Research Pavilion at St. Joseph's/Candler | Savannah | Georgia | 31405 | - |
| Mountain States Tumor Institute at St. Luke's Regional Medical Center | Boise | Idaho | 83712 | - |
| Saint Anthony's Hospital at Saint Anthony's Health Center | Alton | Illinois | 62002 | - |
| Rush-Copley Cancer Care Center | Aurora | Illinois | 60504 | - |
| St. Joseph Medical Center | Bloomington | Illinois | 61701 | - |
| Graham Hospital | Canton | Illinois | 61520 | - |
| Memorial Hospital | Carthage | Illinois | 62321 | - |
| Creticos Cancer Center at Advocate Illinois Masonic Medical Center | Chicago | Illinois | 60657 | - |
| John H. Stroger, Jr. Hospital of Cook County | Chicago | Illinois | 60612-3785 | - |
| Louis A. Weiss Memorial Hospital | Chicago | Illinois | 60640 | - |
| Resurrection Medical Center | Chicago | Illinois | 60631 | - |
| Robert H. Lurie Comprehensive Cancer Center at Northwestern University | Chicago | Illinois | 60611-3013 | - |
| Decatur Memorial Hospital Cancer Care Institute | Decatur | Illinois | 62526 | - |
| Elmhurst Memorial Hospital | Elmhurst | Illinois | 60126 | - |
| Eureka Community Hospital | Eureka | Illinois | 61530 | - |
| Evanston Northwestern Healthcare - Evanston Hospital | Evanston | Illinois | 60201-1781 | - |
| St. Francis Hospital | Evanston | Illinois | 60202 | - |
| Galesburg Clinic, PC | Galesburg | Illinois | 61401 | - |
| Galesburg Cottage Hospital | Galesburg | Illinois | 61401 | - |
| Delnor Community Hospital - Geneva | Geneva | Illinois | 60134 | - |
| Ingalls Cancer Care Center at Ingalls Memorial Hospital | Harvey | Illinois | 60426 | - |
| Mason District Hospital | Havana | Illinois | 62644 | - |
| Hinsdale Hematology Oncology Associates | Hinsdale | Illinois | 60521 | - |
| Hopedale Medical Complex | Hopedale | Illinois | 61747 | - |
| Joliet Oncology-Hematology Associates, Limited - West | Joliet | Illinois | 60435 | - |
| Provena St. Mary's Regional Cancer Center - Kankakee | Kankakee | Illinois | 60901 | - |
| La Grange Memorial Hospital | La Grange | Illinois | 60525 | - |
| McDonough District Hospital | Macomb | Illinois | 61455 | - |
| Good Samaritan Regional Health Center | Mount Vernon | Illinois | 62864 | - |
| Hematology Oncology Consultants - Naperville | Naperville | Illinois | 60540 | - |
| BroMenn Regional Medical Center | Normal | Illinois | 61761 | - |
| Community Cancer Center | Normal | Illinois | 61761 | - |
| Saint James Hospital and Health Centers Comprehensive Cancer Institute - Olympia Fields | Olympia Fields | Illinois | 60461 | - |
| Community Hospital of Ottawa | Ottawa | Illinois | 61350 | - |
| Oncology Hematology Associates of Central Illinois, PC - Ottawa | Ottawa | Illinois | 61350 | - |
| Cancer Treatment Center at Pekin Hospital | Pekin | Illinois | 61554 | - |
| CCOP - Illinois Oncology Research Association | Peoria | Illinois | 61615 | - |
| Methodist Medical Center of Illinois | Peoria | Illinois | 61636 | - |
| Oncology Hematology Associates of Central Illinois, PC - Peoria | Peoria | Illinois | 61615 | - |
| OSF St. Francis Medical Center | Peoria | Illinois | 61637 | - |
| Proctor Hospital | Peoria | Illinois | 61614 | - |
| Illinois Valley Community Hospital | Peru | Illinois | 61354 | - |
| Perry Memorial Hospital | Princeton | Illinois | 61356 | - |
| Swedish-American Regional Cancer Center | Rockford | Illinois | 61104-2315 | - |
| St. Margaret's Hospital | Spring Valley | Illinois | 61362 | - |
| Regional Cancer Center at Memorial Medical Center | Springfield | Illinois | 62781-0001 | - |
| Carle Cancer Center at Carle Foundation Hospital | Urbana | Illinois | 61801 | - |
| CCOP - Carle Cancer Center | Urbana | Illinois | 61801 | - |
| St. Francis Hospital and Health Centers - Beech Grove Campus | Beech Grove | Indiana | 46107 | - |
| Elkhart General Hospital | Elkhart | Indiana | 46515 | - |
| Fort Wayne Medical Oncology and Hematology | Fort Wayne | Indiana | 46815 | - |
| Center for Cancer Care at Goshen General Hospital | Goshen | Indiana | 46526 | - |
| Indiana University Melvin and Bren Simon Cancer Center | Indianapolis | Indiana | 46202-5289 | - |
| Veterans Affairs Medical Center - Indianapolis | Indianapolis | Indiana | 46202 | - |
| William N. Wishard Memorial Hospital | Indianapolis | Indiana | 46202 | - |
| Howard Community Hospital | Kokomo | Indiana | 46904 | - |
| Center for Cancer Therapy at LaPorte Hospital and Health Services | La Porte | Indiana | 46350 | - |
| Clarian Arnett Cancer Care | Lafayette | Indiana | 47904 | - |
| Saint Anthony Memorial Health Centers | Michigan City | Indiana | 46360 | - |
| Reid Hospital & Health Care Services | Richmond | Indiana | 47374 | - |
| CCOP - Northern Indiana CR Consortium | South Bend | Indiana | 46601 | - |
| Memorial Hospital of South Bend | South Bend | Indiana | 46601 | - |
| Saint Joseph Regional Medical Center | South Bend | Indiana | 46617 | - |
| McFarland Clinic, PC | Ames | Iowa | 50010 | - |
| Hematology Oncology Associates of the Quad Cities | Bettendorf | Iowa | 52722 | - |
| Cedar Rapids Oncology Associates | Cedar Rapids | Iowa | 52403 | - |
| Genesis Medical Center - West Campus | Davenport | Iowa | 52804 | - |
| Genesis Regional Cancer Center at Genesis Medical Center | Davenport | Iowa | 52803 | - |
| CCOP - Iowa Oncology Research Association | Des Moines | Iowa | 50309 | - |
| John Stoddard Cancer Center at Iowa Lutheran Hospital | Des Moines | Iowa | 50316 | - |
| John Stoddard Cancer Center at Iowa Methodist Medical Center | Des Moines | Iowa | 50309 | - |
| Medical Oncology and Hematology Associates at John Stoddard Cancer Center | Des Moines | Iowa | 50309 | - |
| Medical Oncology and Hematology Associates at Mercy Cancer Center | Des Moines | Iowa | 50314 | - |
| Mercy Cancer Center at Mercy Medical Center - Des Moines | Des Moines | Iowa | 50314 | - |
| Mercy Capitol Hospital | Des Moines | Iowa | 50307 | - |
| Mercy Cancer Center at Mercy Medical Center - North Iowa | Mason City | Iowa | 50401 | - |
| McCreery Cancer Center at Ottumwa Regional | Ottumwa | Iowa | 52501 | - |
| Mercy Medical Center - Sioux City | Sioux City | Iowa | 51104 | - |
| Siouxland Hematology-Oncology Associates, LLP | Sioux City | Iowa | 51101 | - |
| St. Luke's Regional Medical Center | Sioux City | Iowa | 51104 | - |
| Cedar Valley Medical Specialists, PC - West Ridgeway Avenue | Waterloo | Iowa | 50702 | - |
| Covenant Cancer Treatment Center | Waterloo | Iowa | 50702 | - |
| Cancer Center of Kansas, PA - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas, PA - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas, PA - El Dorado | El Dorado | Kansas | 67042 | - |
| Cancer Center of Kansas-Independence | Independence | Kansas | 67301 | - |
| Providence Medical Center | Kansas City | Kansas | 66112 | - |
| Cancer Center of Kansas, PA - Kingman | Kingman | Kansas | 67068 | - |
| Lawrence Memorial Hospital | Lawrence | Kansas | 66044 | - |
| Southwest Medical Center | Liberal | Kansas | 67901 | - |
| Cancer Center of Kansas, PA - Newton | Newton | Kansas | 67114 | - |
| Johnson County Radiation Therapy | Overland Park | Kansas | 66210 | - |
| Menorah Medical Center | Overland Park | Kansas | 66209 | - |
| Cancer Center of Kansas, PA - Parsons | Parsons | Kansas | 67357 | - |
| Cancer Center of Kansas, PA - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas, PA - Salina | Salina | Kansas | 67042 | - |
| Shawnee Mission Medical Center | Shawnee Mission | Kansas | 66204 | - |
| Cotton-O'Neil Cancer Center | Topeka | Kansas | 66606 | - |
| St. Francis Comprehensive Cancer Center | Topeka | Kansas | 66606 | - |
| Cancer Center of Kansas, PA - Wellington | Wellington | Kansas | 67152 | - |
| Associates in Womens Health, PA - North Review | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas, PA - Medical Arts Tower | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas, PA - Wichita | Wichita | Kansas | 67214 | - |
| CCOP - Wichita | Wichita | Kansas | 67214 | - |
| Via Christi Cancer Center at Via Christi Regional Medical Center | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas, PA - Winfield | Winfield | Kansas | 67156 | - |
| Mary Bird Perkins Cancer Center - Baton Rouge | Baton Rouge | Louisiana | 70809 | - |
| Ochsner Health Center - Bluebonnet | Baton Rouge | Louisiana | 70809 | - |
| Pennington Cancer Center at Baton Rouge General | Baton Rouge | Louisiana | 70806 | - |
| Terrebonne General Medical Center | Houma | Louisiana | 70360 | - |
| CCOP - Ochsner | New Orleans | Louisiana | 70121 | - |
| MBCCOP - LSU Health Sciences Center | New Orleans | Louisiana | 70112 | - |
| Medical Center of Louisiana - New Orleans | New Orleans | Louisiana | 70112 | - |
| Ochsner Cancer Institute at Ochsner Clinic Foundation | New Orleans | Louisiana | 70121 | - |
| CancerCare of Maine at Eastern Maine Medical Center | Bangor | Maine | 04401 | - |
| MaineGeneral Medical Center - Waterville | Waterville | Maine | 04901 | - |
| Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Baltimore | Maryland | 21231-2410 | - |
| St. Agnes Hospital Cancer Center | Baltimore | Maryland | 21229 | - |
| Upper Chesapeake Medical Center | Bel Air | Maryland | 21014 | - |
| Union Hospital Cancer Program at Union Hospital | Elkton | Maryland | 21921 | - |
| Frederick Memorial Hospital Regional Cancer Therapy Center | Frederick | Maryland | 21701 | - |
| Kaiser Permanente Mid-Atlantic Medical Group-Largo Medical Facility | Largo | Maryland | 20774 | - |
| Kaiser Permanente - Towson | Lutherville | Maryland | 21093 | - |
| Kaiser Permanente Capital Area Medical Group - Shady Grove Facility | Rockville | Maryland | 20850 | - |
| Tufts-NEMC Cancer Center | Boston | Massachusetts | 02111 | - |
| Berkshire Hematology Oncology, PC | Pittsfield | Massachusetts | 01201 | - |
| Morton Hospital & Medical Center | Taunton | Massachusetts | 02780 | - |
| Hickman Cancer Center at Bixby Medical Center | Adrian | Michigan | 49221 | - |
| CCOP - Michigan Cancer Research Consortium | Ann Arbor | Michigan | 48106 | - |
| Saint Joseph Mercy Cancer Center | Ann Arbor | Michigan | 48106-0995 | - |
| Oakwood Cancer Center at Oakwood Hospital and Medical Center | Dearborn | Michigan | 48123-2500 | - |
| Green Bay Oncology, Limited - Escanaba | Escanaba | Michigan | 49431 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | - |
| Hurley Medical Center | Flint | Michigan | 48503 | - |
| Van Elslander Cancer Center at St. John Hospital and Medical Center | Grosse Pointe Woods | Michigan | 48236 | - |
| Dickinson County Healthcare System | Iron Mountain | Michigan | 49801 | - |
| Foote Memorial Hospital | Jackson | Michigan | 49201 | - |
| Borgess Medical Center | Kalamazoo | Michigan | 49001 | - |
| Bronson Methodist Hospital | Kalamazoo | Michigan | 49007 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007-3731 | - |
| Haematology-Oncology Associates of Ohio and Michigan, PC | Lambertville | Michigan | 48144 | - |
| Sparrow Regional Cancer Center | Lansing | Michigan | 48912-1811 | - |
| Community Cancer Center of Monroe | Monroe | Michigan | 48162 | - |
| Mercy Memorial Hospital - Monroe | Monroe | Michigan | 48162 | - |
| Northern Michigan Hospital | Petoskey | Michigan | 49770 | - |
| William Beaumont Hospital - Royal Oak Campus | Royal Oak | Michigan | 48073 | - |
| Seton Cancer Institute at Saint Mary's - Saginaw | Saginaw | Michigan | 48601 | - |
| Lakeland Regional Cancer Care Center - St. Joseph | Saint Joseph | Michigan | 49085 | - |
| Oncology Care Associates, PLLC | Saint Joseph | Michigan | 49085 | - |
| St. John Macomb Hospital | Warren | Michigan | 48093 | - |
| - | Alexandria | Minnesota | 56308 | - |
| MeritCare Bemidji | Bemidji | Minnesota | 56601 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy and Unity Cancer Center at Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| CCOP - Duluth | Duluth | Minnesota | 55805 | - |
| Duluth Clinic Cancer Center - Duluth | Duluth | Minnesota | 55805-1983 | - |
| Miller - Dwan Medical Center | Duluth | Minnesota | 55805 | - |
| St. Luke's Hospital Cancer Care Center | Duluth | Minnesota | 55805 | - |
| Fairview Southdale Hospital | Edina | Minnesota | 55435 | - |
| - | Fergus Falls | Minnesota | 56537 | - |
| Mercy and Unity Cancer Center at Unity Hospital | Fridley | Minnesota | 55432 | - |
| Hutchinson Area Health Care | Hutchinson | Minnesota | 55350 | - |
| Meeker County Memorial Hospital | Litchfield | Minnesota | 55355 | - |
| HealthEast Cancer Care at St. John's Hospital | Maplewood | Minnesota | 55109 | - |
| Minnesota Oncology Hematology, PA - Maplewood | Maplewood | Minnesota | 55109 | - |
| Hennepin County Medical Center - Minneapolis | Minneapolis | Minnesota | 55415 | - |
| Virginia Piper Cancer Institute at Abbott - Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| Hubert H. Humphrey Cancer Center at North Memorial Outpatient Center | Robbinsdale | Minnesota | 55422-2900 | - |
| Mayo Clinic Cancer Center | Rochester | Minnesota | 55905 | - |
| CentraCare Clinic - River Campus | Saint Cloud | Minnesota | 56303 | - |
| Coborn Cancer Center | Saint Cloud | Minnesota | 56303 | - |
| CCOP - Metro-Minnesota | Saint Louis Park | Minnesota | 55416 | - |
| Park Nicollet Cancer Center | Saint Louis Park | Minnesota | 55416 | - |
| HealthEast Cancer Care at St. Joseph's Hospital | Saint Paul | Minnesota | 55102 | - |
| Regions Hospital Cancer Care Center | Saint Paul | Minnesota | 55101 | - |
| United Hospital | Saint Paul | Minnesota | 55102 | - |
| St. Francis Cancer Center at St. Francis Medical Center | Shakopee | Minnesota | 55379 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Willmar Cancer Center at Rice Memorial Hospital | Willmar | Minnesota | 56201 | - |
| HealthEast Cancer Care at Woodwinds Health Campus | Woodbury | Minnesota | 55125 | - |
| Minnesota Oncology Hematology, PA - Woodbury | Woodbury | Minnesota | 55125 | - |
| Hattiesburg Clinic, PA at Forrest General | Hattiesburg | Mississippi | 39401 | - |
| Hematology & Oncology Clinic | Hattiesburg | Mississippi | 39402 | - |
| Saint Francis Medical Center | Cape Girardeau | Missouri | 63703 | - |
| Southeast Missouri Regional Cancer Center at Southeast Missouri Hospital | Cape Girardeau | Missouri | 63701 | - |
| Independence Regional Health Center | Independence | Missouri | 64050 | - |
| CCOP - Kansas City | Kansas City | Missouri | 64131 | - |
| Kansas City Cancer Center at St. Joseph's Medical Mall | Kansas City | Missouri | 64114 | - |
| North Kansas City Hospital | Kansas City | Missouri | 64116 | - |
| Parvin Radiation Oncology | Kansas City | Missouri | 64116 | - |
| Radiation Oncology Associates of Kansas City at Northland Radiation Oncology Center | Kansas City | Missouri | 64154 | - |
| Saint Luke's Cancer Institute at Saint Luke's Hospital | Kansas City | Missouri | 64111 | - |
| St. Joseph Medical Center | Kansas City | Missouri | 64114 | - |
| Truman Medical Center - Hospital Hill | Kansas City | Missouri | 64108 | - |
| Heartland Regional Medical Center | Saint Joseph | Missouri | 64506 | - |
| CCOP - Cancer Research for the Ozarks | Springfield | Missouri | 65802 | - |
| Hulston Cancer Center at Cox Medical Center South | Springfield | Missouri | 65807 | - |
| St. John's Regional Health Center | Springfield | Missouri | 65804 | - |
| Arch Medical Services, Incorporated at Center for Cancer Care and Research | St Louis | Missouri | 63141 | - |
| CCOP - St. Louis-Cape Girardeau | St Louis | Missouri | 63141 | - |
| David C. Pratt Cancer Center at St. John's Mercy | St Louis | Missouri | 63141 | - |
| Midwest Hematology Oncology Group, Incorporated | St Louis | Missouri | 63109 | - |
| Missouri Baptist Cancer Center | St Louis | Missouri | 63131 | - |
| Billings Clinic - Downtown | Billings | Montana | 59107-7000 | - |
| CCOP - Montana Cancer Consortium | Billings | Montana | 59101 | - |
| Hematology-Oncology Centers of the Northern Rockies - Billings | Billings | Montana | 59101 | - |
| Northern Rockies Radiation Oncology Center | Billings | Montana | 59101 | - |
| St. Vincent Healthcare Cancer Care Services | Billings | Montana | 59101 | - |
| Bozeman Deaconess Cancer Center | Bozeman | Montana | 59715 | - |
| St. James Healthcare Cancer Care | Butte | Montana | 59701 | - |
| - | Great Falls | Montana | 59405 | - |
| Big Sky Oncology | Great Falls | Montana | 59405-5309 | - |
| Great Falls Clinic - Main Facility | Great Falls | Montana | 59405 | - |
| Sletten Cancer Institute at Benefis Healthcare | Great Falls | Montana | 59405 | - |
| St. Peter's Hospital | Helena | Montana | 59601 | - |
| Glacier Oncology, PLLC | Kalispell | Montana | 59901 | - |
| Kalispell Medical Oncology at KRMC | Kalispell | Montana | 59901 | - |
| Kalispell Regional Medical Center | Kalispell | Montana | 59901 | - |
| Community Medical Center | Missoula | Montana | 59801 | - |
| Guardian Oncology and Center for Wellness | Missoula | Montana | 59804 | - |
| Montana Cancer Center at St. Patrick Hospital and Health Sciences Center | Missoula | Montana | 59807 | - |
| Montana Cancer Specialists at Montana Cancer Center | Missoula | Montana | 59807-7877 | - |
| Good Samaritan Cancer Center at Good Samaritan Hospital | Kearney | Nebraska | 68848-1990 | - |
| Cancer Resource Center - Lincoln | Lincoln | Nebraska | 68510 | - |
| Alegant Health Cancer Center at Bergan Mercy Medical Center | Omaha | Nebraska | 68124 | - |
| CCOP - Missouri Valley Cancer Consortium | Omaha | Nebraska | 68106 | - |
| Creighton University Medical Center | Omaha | Nebraska | 68131-2197 | - |
| Immanuel Medical Center | Omaha | Nebraska | 68122 | - |
| Methodist Estabrook Cancer Center | Omaha | Nebraska | 68114 | - |
| Carson Tahoe Cancer Center at Carson Tahoe Regional Medical Center | Carson City | Nevada | 89703 | - |
| CCOP - Nevada Cancer Research Foundation | Las Vegas | Nevada | 89106 | - |
| University Medical Center of Southern Nevada | Las Vegas | Nevada | 89102 | - |
| Veterans Affairs Medical Center - East Orange | East Orange | New Jersey | 07018-1095 | - |
| Dizzy Gillespie Cancer Institute at Englewood Hospital and Medical Center | Englewood | New Jersey | 07631 | - |
| St. Joseph's Hospital and Medical Center | Paterson | New Jersey | 07503 | - |
| AtlantiCare Cancer Care Institute at AtlantiCare Regional Medical Center - Mainland Campus | Pomona | New Jersey | 08240 | - |
| Valley Hospital - Ridgewood | Ridgewood | New Jersey | 07450 | - |
| Somerset Medical Center | Somerville | New Jersey | 08876 | - |
| Frederick R. and Betty M. Smith Cancer Treatment Center | Sparta | New Jersey | 07871 | - |
| Franklin & Edith Scarpa Regional Cancer Center at South Jersey Healthcare | Vineland | New Jersey | 08360 | - |
| Cancer Institute of New Jersey at Cooper - Voorhees | Voorhees Township | New Jersey | 08043 | - |
| Underwood Memorial Hospital | Woodbury | New Jersey | 08096 | - |
| Finger Lakes Hematology and Oncology | Clifton Springs | New York | 14432 | - |
| SUNY Upstate Medical University Hospital | Syracuse | New York | 13210 | - |
| Albert Einstein Cancer Center at Albert Einstein College of Medicine | The Bronx | New York | 10461 | - |
| Jacobi Medical Center | The Bronx | New York | 10461 | - |
| Our Lady of Mercy Medical Center Comprehensive Cancer Center | The Bronx | New York | 10466 | - |
| Mission Hospitals - Memorial Campus | Asheville | North Carolina | 28801 | - |
| Blumenthal Cancer Center at Carolinas Medical Center | Charlotte | North Carolina | 28232-2861 | - |
| Presbyterian Cancer Center at Presbyterian Hospital | Charlotte | North Carolina | 28233-3549 | - |
| Batte Cancer Center at Northeast Medical Center | Concord | North Carolina | 28025 | - |
| Wayne Memorial Hospital, Incorporated | Goldsboro | North Carolina | 27534 | - |
| Leo W. Jenkins Cancer Center at ECU Medical School | Greenville | North Carolina | 27835-6028 | - |
| Pardee Memorial Hospital | Hendersonville | North Carolina | 28791 | - |
| Kinston Medical Specialists | Kinston | North Carolina | 28501 | - |
| Rutherford Hospital | Rutherfordton | North Carolina | 28139 | - |
| Bismarck Cancer Center | Bismarck | North Dakota | 58501 | - |
| Medcenter One Hospital Cancer Care Center | Bismarck | North Dakota | 58501 | - |
| Mid Dakota Clinic, PC | Bismarck | North Dakota | 58501 | - |
| St. Alexius Medical Center Cancer Center | Bismarck | North Dakota | 58502 | - |
| CCOP - MeritCare Hospital | Fargo | North Dakota | 58122 | - |
| MeritCare Broadway | Fargo | North Dakota | 58122 | - |
| Altru Cancer Center at Altru Hospital | Grand Forks | North Dakota | 58201 | - |
| Trinity CancerCare Center | Minot | North Dakota | 58701 | - |
| McDowell Cancer Center at Akron General Medical Center | Akron | Ohio | 44307 | - |
| Mary Rutan Hospital | Bellefontaine | Ohio | 43311 | - |
| Wood County Oncology Center | Bowling Green | Ohio | 43402 | - |
| Aultman Cancer Center at Aultman Hospital | Canton | Ohio | 44710-1799 | - |
| Mercy Cancer Center at Mercy Medical Center | Canton | Ohio | 44708 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 45601 | - |
| Christ Hospital Cancer Center | Cincinnati | Ohio | 45219 | - |
| Case Comprehensive Cancer Center | Cleveland | Ohio | 44106-5065 | - |
| Cleveland Clinic Cancer Center at Fairview Hospital | Cleveland | Ohio | 44111 | - |
| Cleveland Clinic Taussig Cancer Center | Cleveland | Ohio | 44195 | - |
| MetroHealth Cancer Care Center at MetroHealth Medical Center | Cleveland | Ohio | 44109 | - |
| CCOP - Columbus | Columbus | Ohio | 43215 | - |
| Doctors Hospital at Ohio Health | Columbus | Ohio | 43228 | - |
| Grant Medical Center Cancer Care | Columbus | Ohio | 43215 | - |
| Mount Carmel Health - West Hospital | Columbus | Ohio | 43222 | - |
| Riverside Methodist Hospital Cancer Care | Columbus | Ohio | 43214-3998 | - |
| CCOP - Dayton | Dayton | Ohio | 45429 | - |
| David L. Rike Cancer Center at Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Good Samaritan Hospital | Dayton | Ohio | 45406 | - |
| Grandview Hospital | Dayton | Ohio | 45405 | - |
| Samaritan North Cancer Care Center | Dayton | Ohio | 45415 | - |
| Veterans Affairs Medical Center - Dayton | Dayton | Ohio | 45428 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Blanchard Valley Medical Associates | Findlay | Ohio | 45840 | - |
| Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Community Oncology Group at Cleveland Clinic Cancer Center | Independence | Ohio | 44131 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Lima Memorial Hospital | Lima | Ohio | 45804 | - |
| St. Rita's Medical Center | Lima | Ohio | 45801 | - |
| Strecker Cancer Center at Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| Northwest Ohio Oncology Center | Maumee | Ohio | 43537 | - |
| St. Luke's Hospital | Maumee | Ohio | 43537 | - |
| Licking Memorial Cancer Care Program at Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| St. Charles Mercy Hospital | Oregon | Ohio | 43616 | - |
| Toledo Clinic - Oregon | Oregon | Ohio | 43616 | - |
| Firelands Regional Medical Center | Sandusky | Ohio | 44870 | - |
| North Coast Cancer Care, Incorporated | Sandusky | Ohio | 44870 | - |
| Community Hospital of Springfield and Clark County | Springfield | Ohio | 45505 | - |
| Mercy Medical Center | Springfield | Ohio | 45504 | - |
| Flower Hospital Cancer Center | Sylvania | Ohio | 43560 | - |
| Mercy Hospital of Tiffin | Tiffin | Ohio | 44883 | - |
| CCOP - Toledo Community Hospital | Toledo | Ohio | 43617 | - |
| Medical University of Ohio Cancer Center | Toledo | Ohio | 43614 | - |
| St. Vincent Mercy Medical Center | Toledo | Ohio | 43608 | - |
| Toledo Clinic, Incorporated - Main Clinic | Toledo | Ohio | 43623 | - |
| Toledo Hospital | Toledo | Ohio | 43606 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373-1300 | - |
| Fulton County Health Center | Wauseon | Ohio | 43567 | - |
| Mount Carmel St. Ann's Cancer Center | Westerville | Ohio | 43081 | - |
| Clinton Memorial Hospital | Wilmington | Ohio | 45177 | - |
| Cleveland Clinic - Wooster | Wooster | Ohio | 44691 | - |
| United States Air Force Medical Center - Wright-Patterson | Wright-Patterson Air Force Base | Ohio | 45433-5529 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Genesis - Good Samaritan Hospital | Zanesville | Ohio | 43701 | - |
| Natalie Warren Bryant Cancer Center at St. Francis Hospital | Tulsa | Oklahoma | 74136 | - |
| Rosenfeld Cancer Center at Abington Memorial Hospital | Abington | Pennsylvania | 19001 | - |
| Morgan Cancer Center at Lehigh Valley Hospital - Cedar Crest | Allentown | Pennsylvania | 18105 | - |
| St. Luke's Cancer Network at St. Luke's Hospital | Bethlehem | Pennsylvania | 18015 | - |
| Bryn Mawr Hospital | Bryn Mawr | Pennsylvania | 19010 | - |
| Geisinger Cancer Institute at Geisinger Health | Danville | Pennsylvania | 17822-0001 | - |
| Mercy Fitzgerald Hospital | Darby | Pennsylvania | 19023 | - |
| Delaware County Regional Cancer Center at Delaware County Memorial Hospital | Drexel Hill | Pennsylvania | 19026 | - |
| Oncology Hematology Associates of Northern Pennsylvania, PC at Hahne Regional Cancer Center | DuBois | Pennsylvania | 15801 | - |
| Dale and Frances Hughes Cancer Center at Pocono Medical Center | East Stroudsburg | Pennsylvania | 18301 | - |
| Easton Regional Cancer Center at Easton Hospital | Easton | Pennsylvania | 18042 | - |
| Ephrata Cancer Center at Ephrata Community Hospital | Ephrata | Pennsylvania | 17522 | - |
| Penn State Cancer Institute at Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033-0850 | - |
| Richard G. Laube Cancer Center at ACMH | Kittanning | Pennsylvania | 16201 | - |
| Lancaster General Hospital | Lancaster | Pennsylvania | 17604 | - |
| Central Pennsylvania Hematology and Medical Oncology Associates, PC | Lemoyne | Pennsylvania | 17043 | - |
| Lewistown Hospital | Lewistown | Pennsylvania | 17044 | - |
| Riddle Memorial Hospital Cancer Center | Media | Pennsylvania | 19063 | - |
| Cancer Center of Paoli Memorial Hospital | Paoli | Pennsylvania | 19301-1792 | - |
| Abramson Cancer Center of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104-4283 | - |
| Albert Einstein Cancer Center | Philadelphia | Pennsylvania | 19141 | - |
| Fox Chase Cancer Center - Philadelphia | Philadelphia | Pennsylvania | 19111-2497 | - |
| Frankford Hospital Cancer Center - Torresdale Campus | Philadelphia | Pennsylvania | 19114 | - |
| Joan Karnell Cancer Center at Pennsylvania Hospital | Philadelphia | Pennsylvania | 19107 | - |
| Kimmel Cancer Center at Thomas Jefferson University - Philadelphia | Philadelphia | Pennsylvania | 19107-5541 | - |
| UPMC Cancer Centers | Pittsburgh | Pennsylvania | 15232 | - |
| Pottstown Memorial Regional Cancer Center | Pottstown | Pennsylvania | 19464 | - |
| McGlinn Family Regional Cancer Center at Reading Hospital and Medical Center | Reading | Pennsylvania | 19612-6052 | - |
| Guthrie Cancer Center at Guthrie Clinic Sayre | Sayre | Pennsylvania | 18840 | - |
| Hematology and Oncology Associates of Northeastern Pennsylvania | Scranton | Pennsylvania | 18510 | - |
| Mercy Hospital Cancer Center - Scranton | Scranton | Pennsylvania | 18501 | - |
| Grand View Hospital | Sellersville | Pennsylvania | 18960 | - |
| Geisinger Medical Group - Scenery Park | State College | Pennsylvania | 16801 | - |
| Mount Nittany Medical Center | State College | Pennsylvania | 16803 | - |
| Associates in Hematology-Oncology, PC at Crozer Regional Cancer Center | Upland | Pennsylvania | 19013 | - |
| Chester County Hospital | West Chester | Pennsylvania | 19380 | - |
| Frank M. and Dorothea Henry Cancer Center at Geisinger Wyoming Valley Medical Center | Wilkes-Barre | Pennsylvania | 18711 | - |
| Susquehanna Cancer Center at Divine Providence Hospital | Williamsport | Pennsylvania | 17701 | - |
| CCOP - Main Line Health | Wynnewood | Pennsylvania | 19096 | - |
| Lankenau Cancer Center at Lankenau Hospital | Wynnewood | Pennsylvania | 19096 | - |
| York Cancer Center at Apple Hill Medical Center | York | Pennsylvania | 17405 | - |
| AnMed Cancer Center | Anderson | South Carolina | 29621 | - |
| McLeod Regional Medical Center | Florence | South Carolina | 29501 | - |
| CCOP - Greenville | Greenville | South Carolina | 29615 | - |
| CCOP - Upstate Carolina | Spartanburg | South Carolina | 29303 | - |
| Gibbs Regional Cancer Center at Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | - |
| Oncology Services of Aberdeen | Aberdeen | South Dakota | 57401 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Avera Cancer Institute | Sioux Falls | South Dakota | 57105 | - |
| Medical X-Ray Center, PC | Sioux Falls | South Dakota | 57105 | - |
| Sanford Cancer Center at Sanford USD Medical Center | Sioux Falls | South Dakota | 57117-5039 | - |
| Green Mountain Oncology Group | Bennington | Vermont | 05201 | - |
| Martha Jefferson Hospital Cancer Care Center | Charlottesville | Virginia | 22901 | - |
| University of Virginia Cancer Center | Charlottesville | Virginia | 22908 | - |
| Danville Regional Medical Center | Danville | Virginia | 24541 | - |
| Kaiser Permanente Medical Center - Fair Oaks | Fairfax | Virginia | 22033 | - |
| Fredericksburg Oncology, Incorporated | Fredericksburg | Virginia | 22401 | - |
| Veterans Affairs Medical Center - Richmond | Richmond | Virginia | 23249 | - |
| Virginia Commonwealth University Massey Cancer Center | Richmond | Virginia | 23298-0037 | - |
| St. Francis Hospital | Federal Way | Washington | 98003 | - |
| Good Samaritan Cancer Center | Puyallup | Washington | 98372 | - |
| Rockwood Clinic Cancer Treatment Center | Spokane | Washington | 99204-2967 | - |
| Allenmore Hospital | Tacoma | Washington | 98405 | - |
| CCOP - Northwest | Tacoma | Washington | 98405 | - |
| Franciscan Cancer Center at St. Joseph Medical Center | Tacoma | Washington | 98405-3004 | - |
| MultiCare Regional Cancer Center at Tacoma General Hospital | Tacoma | Washington | 98405 | - |
| St. Clare Hospital | Tacoma | Washington | 98499 | - |
| Edwards Comprehensive Cancer Center at Cabell Huntington Hospital | Huntington | West Virginia | 25701 | - |
| Langlade Memorial Hospital | Antigo | Wisconsin | 54409 | - |
| Fox Valley Hematology and Oncology - East Grant Street | Appleton | Wisconsin | 54911-3496 | - |
| Center for Cancer Treatment & Prevention at Sacred Heart Hospital | Eau Claire | Wisconsin | 54701 | - |
| Marshfield Clinic Cancer Care at Regional Cancer Center | Eau Claire | Wisconsin | 54701 | - |
| Vince Lombardi Cancer Center at Aurora Lakeland Medical Center - Elkhorn | Elkhorn | Wisconsin | 53121 | - |
| Central Wisconsin Cancer Program at Agnesian HealthCare | Fond du Lac | Wisconsin | 54935 | - |
| Green Bay Oncology, Limited at St. Mary's Hospital | Green Bay | Wisconsin | 54303 | - |
| Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center | Green Bay | Wisconsin | 54301-3526 | - |
| St. Mary's Hospital Medical Center - Green Bay | Green Bay | Wisconsin | 54303 | - |
| St. Vincent Hospital Regional Cancer Center | Green Bay | Wisconsin | 54307-3508 | - |
| Vince Lombardi Cancer Clinic - Green Bay at Aurora BayCare Medical Center | Green Bay | Wisconsin | 54311 | - |
| Gundersen Lutheran Cancer Center at Gundersen Lutheran Medical Center | La Crosse | Wisconsin | 54601 | - |
| Dean Medical Center - Madison | Madison | Wisconsin | 53717 | - |
| University of Wisconsin Paul P. Carbone Comprehensive Cancer Center | Madison | Wisconsin | 53792-6164 | - |
| Holy Family Memorial Medical Center Cancer Care Center | Manitowoc | Wisconsin | 54221-1450 | - |
| Bay Area Cancer Care Center at Bay Area Medical Center | Marinette | Wisconsin | 54143 | - |
| Marshfield Clinic - Marshfield Center | Marshfield | Wisconsin | 54449 | - |
| Saint Joseph's Hospital | Marshfield | Wisconsin | 54449 | - |
| Aurora Sinai Medical Center | Milwaukee | Wisconsin | 53201-0342 | - |
| Froedtert Hospital and Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |
| Medical College of Wisconsin Cancer Center | Milwaukee | Wisconsin | 53226 | - |
| Medical Consultants, Limited | Milwaukee | Wisconsin | 53215 | - |
| Marshfield Clinic - Lakeland Center | Minocqua | Wisconsin | 54548 | - |
| Green Bay Oncology, Limited - Oconto Falls | Oconto Falls | Wisconsin | 54154 | - |
| Ministry Medical Group at Saint Mary's Hospital | Rhinelander | Wisconsin | 54501 | - |
| Marshfield Clinic - Indianhead Center | Rice Lake | Wisconsin | 54868 | - |
| Saint Michael's Hospital Cancer Center | Stevens Point | Wisconsin | 54481 | - |
| Green Bay Oncology, Limited - Sturgeon Bay | Sturgeon Bay | Wisconsin | 54235 | - |
| Marshfield Clinic - Wausau Center | Wausau | Wisconsin | 54401 | - |
| University of Wisconcin Cancer Center at Aspirus Wausau Hospital | Wausau | Wisconsin | 54401 | - |
| Marshfield Clinic - Weston Center | Weston | Wisconsin | 54476 | - |
| Marshfield Clinic - Wisconsin Rapids Center | Wisconsin Rapids | Wisconsin | 54494 | - |
| Welch Cancer Center at Sheridan Memorial Hospital | Sheridan | Wyoming | 82801 | - |