| Providence Cancer Center | Anchorage | Alaska | 99508 | - |
| Arizona Cancer Center at University of Arizona Health Sciences Center | Tucson | Arizona | 85724-5024 | - |
| 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 | 80222 | - |
| Kaiser Permanente - Denver | Denver | Colorado | 80205 | - |
| 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 | - |
| 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 | - |
| Kaiser Permanente - Lafayette | Lafayette | Colorado | 80026 | - |
| Littleton Adventist Hospital | Littleton | Colorado | 80122 | - |
| Sky Ridge Medical Center | Lone Tree | Colorado | 80124 | - |
| Hope Cancer Care Center at Longmont United Hospital | Longmont | Colorado | 80501 | - |
| McKee Medical Center | Loveland | Colorado | 80539 | - |
| Parker Adventist Hospital | Parker | Colorado | 80138 | - |
| St. Mary - Corwin Regional Medical Center | Pueblo | Colorado | 81004 | - |
| North Suburban Medical Center | Thornton | Colorado | 80229 | - |
| Exempla Lutheran Medical Center | Wheat Ridge | Colorado | 80033 | - |
| Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center | Hartford | Connecticut | 06105 | - |
| Yale Cancer Center | New Haven | Connecticut | 06520-8028 | - |
| CCOP - Atlanta Regional | Atlanta | Georgia | 30342 | - |
| Northside Hospital Cancer Center | Atlanta | Georgia | 30342-1611 | - |
| Piedmont Hospital | Atlanta | Georgia | 30309 | - |
| Saint Joseph's Hospital of Atlanta | Atlanta | Georgia | 30342-1701 | - |
| WellStar Cobb Hospital | Austell | Georgia | 30106 | - |
| John B. Amos Cancer Center | Columbus | Georgia | 31904 | - |
| Charles B. Eberhart Cancer Center at DeKalb Medical Center | Decatur | Georgia | 30033 | - |
| Piedmont Fayette Hospital | Fayetteville | Georgia | 30214 | - |
| Gwinnett Medical Center | Lawrenceville | Georgia | 30045 | - |
| Kennestone Cancer Center at Wellstar Kennestone Hospital | Marietta | Georgia | 30060 | - |
| Southern Regional Medical Center | Riverdale | Georgia | 30274-2600 | - |
| Harbin Clinic Cancer Center - Medical Oncology | Rome | Georgia | 30165 | - |
| Kapiolani Medical Center at Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Oncare Hawaii, Incorporated - Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Leeward Radiation Oncology | ‘Ewa Beach | Hawaii | 96706 | - |
| Cancer Research Center of Hawaii | Honolulu | Hawaii | 96813 | - |
| Hawaii Medical Center - East | Honolulu | Hawaii | 96817 | - |
| Kapiolani Medical Center for Women and Children | Honolulu | Hawaii | 96826 | - |
| Kuakini Medical Center | Honolulu | Hawaii | 96817 | - |
| OnCare Hawaii, Incorporated - Kuakini | Honolulu | Hawaii | 96817-3169 | - |
| OnCare Hawaii, Incorporated - Lusitana | Honolulu | Hawaii | 96813 | - |
| Queen's Cancer Institute at Queen's Medical Center | Honolulu | Hawaii | 96813 | - |
| Straub Clinic and Hospital, Incorporated | Honolulu | Hawaii | 96813 | - |
| Castle Medical Center | Kailua | Hawaii | 96734 | - |
| Kauai Medical Clinic | Lihue | Hawaii | 96766 | - |
| Mountain States Tumor Institute at St. Luke's Regional Medical Center | Boise | Idaho | 83712 | - |
| Saint Alphonsus Cancer Care Center at Saint Alphonsus Regional Medical Center | Boise | Idaho | 83706 | - |
| Illinois CancerCare - Bloomington | Bloomington | Illinois | 61701 | - |
| St. Joseph Medical Center | Bloomington | Illinois | 61701 | - |
| Graham Hospital | Canton | Illinois | 61520 | - |
| Illinois CancerCare - Canton | Canton | Illinois | 61520 | - |
| Illinois CancerCare - Carthage | Carthage | Illinois | 62321 | - |
| Memorial Hospital | Carthage | Illinois | 62321 | - |
| Hematology and Oncology Associates | Chicago | Illinois | 60611 | - |
| Robert H. Lurie Comprehensive Cancer Center at Northwestern University | Chicago | Illinois | 60611-3013 | - |
| Eureka Community Hospital | Eureka | Illinois | 61530 | - |
| Illinois CancerCare - Eureka | Eureka | Illinois | 61530 | - |
| Galesburg Clinic, PC | Galesburg | Illinois | 61401 | - |
| Illinois CancerCare - Galesburg | Galesburg | Illinois | 61401 | - |
| Illinois CancerCare - Havana | Havana | Illinois | 62644 | - |
| Kellogg Cancer Care Center | Highland Park | Illinois | 60035 | - |
| Provena St. Mary's Regional Cancer Center - Kankakee | Kankakee | Illinois | 60901 | - |
| Illinois CancerCare - Kewanee Clinic | Kewanee | Illinois | 61443 | - |
| North Shore Oncology and Hematology Associates, Limited - Libertyville | Libertyville | Illinois | 60048 | - |
| Illinois CancerCare - Macomb | Macomb | Illinois | 61455 | - |
| McDonough District Hospital | Macomb | Illinois | 61455 | - |
| Illinois CancerCare - Monmouth | Monmouth | Illinois | 61462 | - |
| OSF Holy Family Medical Center | Monmouth | Illinois | 61462 | - |
| Cancer Care and Hematology Specialists of Chicagoland - Niles | Niles | Illinois | 60714 | - |
| BroMenn Regional Medical Center | Normal | Illinois | 61761 | - |
| Community Cancer Center | Normal | Illinois | 61761 | - |
| Illinois CancerCare - Community Cancer Center | Normal | Illinois | 61761 | - |
| 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 | - |
| Illinois CancerCare - Pekin | Pekin | Illinois | 61603 | - |
| 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 CancerCare - Peru | Peru | Illinois | 61354 | - |
| Illinois Valley Community Hospital | Peru | Illinois | 61354 | - |
| Illinois CancerCare - Princeton | Princeton | Illinois | 61356 | - |
| Perry Memorial Hospital | Princeton | Illinois | 61356 | - |
| Hematology Oncology Associates - Skokie | Skokie | Illinois | 60076 | - |
| Illinois CancerCare - Spring Valley | Spring Valley | Illinois | 61362 | - |
| St. Francis Hospital and Health Centers - Beech Grove Campus | Beech Grove | Indiana | 46107 | - |
| Reid Hospital & Health Care Services | Richmond | Indiana | 47374 | - |
| Mercy Medical Center - Sioux City | Sioux City | Iowa | 51102 | - |
| Siouxland Hematology-Oncology Associates, LLP | Sioux City | Iowa | 51101 | - |
| St. Luke's Regional Medical Center | Sioux City | Iowa | 51104 | - |
| 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 - Fort Scott | Fort Scott | Kansas | 66701 | - |
| Cancer Center of Kansas-Independence | Independence | Kansas | 67301 | - |
| Cancer Center of Kansas, PA - Kingman | Kingman | Kansas | 67068 | - |
| Lawrence Memorial Hospital | Lawrence | Kansas | 66044 | - |
| Cancer Center of Kansas, PA - Liberal | Liberal | Kansas | 67901 | - |
| Cancer Center of Kansas, PA - McPherson | McPherson | Kansas | 67460 | - |
| Cancer Center of Kansas, PA - Newton | Newton | Kansas | 67114 | - |
| Menorah Medical Center | Overland Park | Kansas | 66209 | - |
| Saint Luke's Hospital - South | Overland Park | Kansas | 66213 | - |
| Cancer Center of Kansas, PA - Parsons | Parsons | Kansas | 67357 | - |
| CCOP - Kansas City | Prairie Village | Kansas | 66208 | - |
| Cancer Center of Kansas, PA - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas, PA - Salina | Salina | Kansas | 67401 | - |
| 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 | - |
| Lucille P. Markey Cancer Center at University of Kentucky | Lexington | Kentucky | 40536-0093 | - |
| 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 | - |
| Josephine Ford Cancer Center at Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | - |
| Hurley Medical Center | Flint | Michigan | 48503 | - |
| Genesys Regional Medical Center | Grand Blanc | Michigan | 48439 | - |
| Van Elslander Cancer Center at St. John Hospital and Medical Center | Grosse Pointe Woods | Michigan | 48236 | - |
| 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 | - |
| Sparrow Regional Cancer Center | Lansing | Michigan | 48912-1811 | - |
| St. Mary Mercy Hospital | Livonia | Michigan | 48154 | - |
| St. Joseph Mercy Oakland | Pontiac | Michigan | 48341-2985 | - |
| Mercy Regional Cancer Center at Mercy Hospital | Port Huron | Michigan | 48060 | - |
| Seton Cancer Institute at Saint Mary's - Saginaw | Saginaw | Michigan | 48601 | - |
| St. John Macomb Hospital | Warren | Michigan | 48093 | - |
| 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 | - |
| Fairview Southdale Hospital | Edina | Minnesota | 55435 | - |
| Mercy and Unity Cancer Center at Unity Hospital | Fridley | Minnesota | 55432 | - |
| Hutchinson Area Health Care | Hutchinson | Minnesota | 55350 | - |
| HealthEast Cancer Care at St. John's Hospital | Maplewood | Minnesota | 55109 | - |
| Minnesota Oncology - Maplewood | Maplewood | Minnesota | 55109 | - |
| Hennepin County Medical Center - Minneapolis | Minneapolis | Minnesota | 55415 | - |
| Virginia Piper Cancer Institute at Abbott - Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| New Ulm Medical Center | New Ulm | Minnesota | 56073 | - |
| Humphrey Cancer Center at North Memorial Outpatient Center | Robbinsdale | Minnesota | 55422-2900 | - |
| CCOP - Metro-Minnesota | Saint Louis Park | Minnesota | 55416 | - |
| Park Nicollet Cancer Center | Saint Louis Park | Minnesota | 55416 | - |
| 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 | - |
| Lakeview Hospital | Stillwater | Minnesota | 55082 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Willmar Cancer Center at Rice Memorial Hospital | Willmar | Minnesota | 56201 | - |
| Minnesota Oncology - Woodbury | Woodbury | Minnesota | 55125 | - |
| Heartland Hematology Oncology Associates, Incorporated | Kansas City | Missouri | 64118 | - |
| North Kansas City Hospital | Kansas City | Missouri | 64116 | - |
| Research Medical Center | Kansas City | Missouri | 64132 | - |
| Saint Luke's Cancer Institute at Saint Luke's Hospital | Kansas City | Missouri | 64111 | - |
| Saint Luke's East - Lee's Summit | Lee's Summit | Missouri | 64086 | - |
| Parvin Radiation Oncology | Liberty | Missouri | 64068 | - |
| Heartland Regional Medical Center | Saint Joseph | Missouri | 64506 | - |
| Saint Joseph Oncology, Incorporated | Saint Joseph | Missouri | 64507 | - |
| Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis | St Louis | Missouri | 63110 | - |
| Billings Clinic - Downtown | Billings | Montana | 59107-7000 | - |
| CCOP - Montana Cancer Consortium | Billings | Montana | 59101 | - |
| Hematology-Oncology Centers of the Northern Rockies - Billings | Billings | Montana | 59102 | - |
| 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 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 | - |
| 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 | - |
| James P. Wilmot Cancer Center at University of Rochester Medical Center | Rochester | New York | 14642 | - |
| Wayne Memorial Hospital, Incorporated | Goldsboro | North Carolina | 27534 | - |
| Rex Cancer Center at Rex Hospital | Raleigh | North Carolina | 27607 | - |
| Iredell Memorial Hospital | Statesville | North Carolina | 28677 | - |
| CCOP - MeritCare Hospital | Fargo | North Dakota | 58122 | - |
| MeritCare Broadway | Fargo | North Dakota | 58102 | - |
| Roger Maris Cancer Center at MeritCare Hospital | Fargo | North Dakota | 58122 | - |
| CCOP - Dayton | Dayton | Ohio | 45420 | - |
| 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 | - |
| Blanchard Valley Medical Associates | Findlay | Ohio | 45840 | - |
| Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Wayne Hospital | Greenville | Ohio | 45331 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373-1300 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Natalie Warren Bryant Cancer Center at St. Francis Hospital | Tulsa | Oklahoma | 74136 | - |
| Geisinger Cancer Institute at Geisinger Health | Danville | Pennsylvania | 17822-0001 | - |
| Cancer Centers of the Carolinas - Faris Road | Greenville | South Carolina | 29605 | - |
| Cancer Centers of the Carolinas - Grove Commons | Greenville | South Carolina | 29605 | - |
| CCOP - Greenville | Greenville | South Carolina | 29615 | - |
| Greenville Hospital Cancer Center | Greenville | South Carolina | 29605 | - |
| Cancer Centers of the Carolinas - Greer Medical Oncology | Greer | South Carolina | 29650 | - |
| Cancer Centers of the Carolinas - Seneca | Seneca | South Carolina | 29672 | - |
| Cancer Centers of the Carolinas - Spartanburg | Spartanburg | South Carolina | 29307 | - |
| CCOP - Upstate Carolina | Spartanburg | South Carolina | 29303 | - |
| Gibbs Regional Cancer Center at Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | - |
| Sanford Cancer Center at Sanford USD Medical Center | Sioux Falls | South Dakota | 57117-5039 | - |
| Cancer Therapy and Research Center | San Antonio | Texas | 78229 | - |
| University Hospital - San Antonio | San Antonio | Texas | 78229 | - |
| University of Texas Health Science Center at San Antonio | San Antonio | Texas | 78229-3900 | - |
| Island Hospital Cancer Care Center at Island Hospital | Anacortes | Washington | 98221 | - |
| St. Joseph Cancer Center | Bellingham | Washington | 98225 | - |
| Olympic Hematology and Oncology | Bremerton | Washington | 98310 | - |
| Highline Medical Center Cancer Center | Burien | Washington | 98166 | - |
| Columbia Basin Hematology | Kennewick | Washington | 99336 | - |
| Skagit Valley Hospital Cancer Care Center | Mount Vernon | Washington | 98274 | - |
| Harrison Poulsbo Hematology and Onocology | Poulsbo | Washington | 98370 | - |
| Fred Hutchinson Cancer Research Center | Seattle | Washington | 98109 | - |
| Group Health Central Hospital | Seattle | Washington | 98112 | - |
| Harborview Medical Center | Seattle | Washington | 98104 | - |
| Minor and James Medical, PLLC | Seattle | Washington | 98104 | - |
| Polyclinic First Hill | Seattle | Washington | 98122 | - |
| Swedish Cancer Institute at Swedish Medical Center - First Hill Campus | Seattle | Washington | 98122-4307 | - |
| University Cancer Center at University of Washington Medical Center | Seattle | Washington | 98195 | - |
| North Puget Oncology at United General Hospital | Sedro-Woolley | Washington | 98284 | - |
| Cancer Care Northwest - Spokane South | Spokane | Washington | 99202 | - |
| Evergreen Hematology and Oncology, PS | Spokane | Washington | 99218 | - |
| Wenatchee Valley Medical Center | Wenatchee | Washington | 98801-2028 | - |
| Mary Babb Randolph Cancer Center at West Virginia University Hospitals | Morgantown | West Virginia | 26506 | - |
| Gundersen Lutheran Center for Cancer and Blood | La Crosse | Wisconsin | 54601 | - |
| Rocky Mountain Oncology | Casper | Wyoming | 82609 | - |