| University of Alabama at Birmingham Cancer Center | Birmingham | Alabama | 35233 | - |
| Alaska Breast Care and Surgery LLC | Anchorage | Alaska | 99508 | - |
| Alaska Oncology and Hematology LLC | Anchorage | Alaska | 99508 | - |
| Alaska Regional Hospital | Anchorage | Alaska | 99508 | - |
| Alaska Women's Cancer Care | Anchorage | Alaska | 99508 | - |
| Anchorage Associates in Radiation Medicine | Anchorage | Alaska | 98508 | - |
| Anchorage Oncology Centre | Anchorage | Alaska | 99508 | - |
| Anchorage Radiation Therapy Center | Anchorage | Alaska | 99504 | - |
| Katmai Oncology Group | Anchorage | Alaska | 99508 | - |
| Providence Alaska Medical Center | Anchorage | Alaska | 99508 | - |
| CHI Saint Vincent Cancer Center Hot Springs | Hot Springs | Arkansas | 71913 | - |
| Sutter Auburn Faith Hospital | Auburn | California | 95602 | - |
| Sutter Cancer Centers Radiation Oncology Services-Auburn | Auburn | California | 95603 | - |
| Kaiser Permanente-Baldwin Park | Baldwin Park | California | 91706 | - |
| Alta Bates Summit Medical Center-Herrick Campus | Berkeley | California | 94704 | - |
| Providence Saint Joseph Medical Center/Disney Family Cancer Center | Burbank | California | 91505 | - |
| Mills-Peninsula Medical Center | Burlingame | California | 94010 | - |
| Sutter Cancer Centers Radiation Oncology Services-Cameron Park | Cameron Park | California | 95682 | - |
| Eden Hospital Medical Center | Castro Valley | California | 94546 | - |
| Sutter Davis Hospital | Davis | California | 95616 | - |
| UC San Diego Moores Cancer Center | La Jolla | California | 92093 | - |
| Memorial Medical Center | Modesto | California | 95355 | - |
| Palo Alto Medical Foundation-Camino Division | Mountain View | California | 94040 | - |
| Palo Alto Medical Foundation-Gynecologic Oncology | Mountain View | California | 94040 | - |
| Palo Alto Medical Foundation Health Care | Palo Alto | California | 94301 | - |
| Sutter Cancer Centers Radiation Oncology Services-Roseville | Roseville | California | 95661 | - |
| Sutter Roseville Medical Center | Roseville | California | 95661 | - |
| Sutter Medical Center Sacramento | Sacramento | California | 95816 | - |
| Kaiser Permanente-San Diego Mission | San Diego | California | 92108 | - |
| Kaiser Permanente-San Diego Zion | San Diego | California | 92120 | - |
| California Pacific Medical Center-Pacific Campus | San Francisco | California | 94115 | - |
| Kaiser Permanente-San Marcos | San Marcos | California | 92078 | - |
| Palo Alto Medical Foundation-Santa Cruz | Santa Cruz | California | 95065 | - |
| Sutter Pacific Medical Foundation | Santa Rosa | California | 95403 | - |
| Palo Alto Medical Foundation-Sunnyvale | Sunnyvale | California | 94086 | - |
| Sutter Solano Medical Center/Cancer Center | Vallejo | California | 94589 | - |
| Yale University | New Haven | Connecticut | 06520 | - |
| Beebe Medical Center | Lewes | Delaware | 19958 | - |
| Christiana Care Health System-Christiana Hospital | Newark | Delaware | 19718 | - |
| Delaware Clinical and Laboratory Physicians PA | Newark | Delaware | 19713 | - |
| Helen F Graham Cancer Center | Newark | Delaware | 19713 | - |
| Medical Oncology Hematology Consultants PA | Newark | Delaware | 19713 | - |
| Beebe Health Campus | Rehoboth Beach | Delaware | 19971 | - |
| TidalHealth Nanticoke / Allen Cancer Center | Seaford | Delaware | 19973 | - |
| Christiana Care Health System-Wilmington Hospital | Wilmington | Delaware | 19801 | - |
| Lewis Cancer and Research Pavilion at Saint Joseph's/Candler | Savannah | Georgia | 31405 | - |
| Low Country Cancer Care | Savannah | Georgia | 31404 | - |
| Memorial Health University Medical Center | Savannah | Georgia | 31404 | - |
| Summit Cancer Care-Memorial | Savannah | Georgia | 31404 | - |
| Saint Luke's Cancer Institute - Boise | Boise | Idaho | 83712 | - |
| Kootenai Health - Coeur d'Alene | Coeur d'Alene | Idaho | 83814 | - |
| Saint Luke's Cancer Institute - Fruitland | Fruitland | Idaho | 83619 | - |
| Saint Luke's Cancer Institute - Meridian | Meridian | Idaho | 83642 | - |
| Saint Luke's Cancer Institute - Nampa | Nampa | Idaho | 83687 | - |
| Kootenai Clinic Cancer Services - Post Falls | Post Falls | Idaho | 83854 | - |
| Kootenai Clinic Cancer Services - Sandpoint | Sandpoint | Idaho | 83864 | - |
| Saint Luke's Cancer Institute - Twin Falls | Twin Falls | Idaho | 83301 | - |
| Illinois CancerCare-Bloomington | Bloomington | Illinois | 61704 | - |
| OSF Saint Joseph Medical Center | Bloomington | Illinois | 61701 | - |
| Illinois CancerCare-Canton | Canton | Illinois | 61520 | - |
| Memorial Hospital of Carbondale | Carbondale | Illinois | 62902 | - |
| Illinois CancerCare-Carthage | Carthage | Illinois | 62321 | - |
| Centralia Oncology Clinic | Centralia | Illinois | 62801 | - |
| Northwestern University | Chicago | Illinois | 60611 | - |
| Cancer Care Specialists of Illinois - Decatur | Decatur | Illinois | 62526 | - |
| Decatur Memorial Hospital | Decatur | Illinois | 62526 | - |
| Crossroads Cancer Center | Effingham | Illinois | 62401 | - |
| Illinois CancerCare-Eureka | Eureka | Illinois | 61530 | - |
| Illinois CancerCare-Galesburg | Galesburg | Illinois | 61401 | - |
| Western Illinois Cancer Treatment Center | Galesburg | Illinois | 61401 | - |
| Sudarshan K Sharma MD Limited-Gynecologic Oncology | Hinsdale | Illinois | 60521 | - |
| Illinois CancerCare-Kewanee Clinic | Kewanee | Illinois | 61443 | - |
| Illinois CancerCare-Macomb | Macomb | Illinois | 61455 | - |
| SSM Health Good Samaritan | Mount Vernon | Illinois | 62864 | - |
| Cancer Care Center of O'Fallon | O'Fallon | Illinois | 62269 | - |
| Illinois CancerCare-Ottawa Clinic | Ottawa | Illinois | 61350 | - |
| Radiation Oncology of Northern Illinois | Ottawa | Illinois | 61350 | - |
| Illinois CancerCare-Pekin | Pekin | Illinois | 61554 | - |
| OSF Saint Francis Radiation Oncology at Pekin | Pekin | Illinois | 61554 | - |
| Illinois CancerCare-Peoria | Peoria | Illinois | 61615 | - |
| Methodist Medical Center of Illinois | Peoria | Illinois | 61636 | - |
| OSF Saint Francis Medical Center | Peoria | Illinois | 61637 | - |
| OSF Saint Francis Radiation Oncology at Peoria Cancer Center | Peoria | Illinois | 61615 | - |
| Illinois CancerCare-Peru | Peru | Illinois | 61354 | - |
| Valley Radiation Oncology | Peru | Illinois | 61354 | - |
| Illinois CancerCare-Princeton | Princeton | Illinois | 61356 | - |
| Central Illinois Hematology Oncology Center | Springfield | Illinois | 62702 | - |
| Southern Illinois University School of Medicine | Springfield | Illinois | 62702 | - |
| Springfield Clinic | Springfield | Illinois | 62702 | - |
| Springfield Memorial Hospital | Springfield | Illinois | 62781 | - |
| Indiana University/Melvin and Bren Simon Cancer Center | Indianapolis | Indiana | 46202 | - |
| Sidney and Lois Eskenazi Hospital | Indianapolis | Indiana | 46202 | - |
| Reid Health | Richmond | Indiana | 47374 | - |
| Mercy Cancer Center-West Lakes | Clive | Iowa | 50325 | - |
| UI Health Care Mission Cancer and Blood - West Des Moines Clinic | Clive | Iowa | 50325 | - |
| Alegent Health Mercy Hospital | Council Bluffs | Iowa | 51503 | - |
| Greater Regional Medical Center | Creston | Iowa | 50801 | - |
| Mercy Medical Center - Des Moines | Des Moines | Iowa | 50314 | - |
| UI Health Care Mission Cancer and Blood - Laurel Clinic | Des Moines | Iowa | 50314 | - |
| University of Iowa/Holden Comprehensive Cancer Center | Iowa City | Iowa | 52242 | - |
| Mercy Medical Center-West Lakes | West Des Moines | Iowa | 50266 | - |
| Cancer Center of Kansas - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas - 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-Kingman | Kingman | Kansas | 67068 | - |
| Lawrence Memorial Hospital | Lawrence | Kansas | 66044 | - |
| Cancer Center of Kansas-Liberal | Liberal | Kansas | 67905 | - |
| Cancer Center of Kansas - Newton | Newton | Kansas | 67114 | - |
| Cancer Center of Kansas - Parsons | Parsons | Kansas | 67357 | - |
| Cancer Center of Kansas - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas - Salina | Salina | Kansas | 67401 | - |
| Cancer Center of Kansas - Wellington | Wellington | Kansas | 67152 | - |
| Ascension Via Christi Hospitals Wichita | Wichita | Kansas | 67214 | - |
| Associates In Womens Health | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas - Wichita | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas-Wichita Medical Arts Tower | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas - Winfield | Winfield | Kansas | 67156 | - |
| Flaget Memorial Hospital | Bardstown | Kentucky | 40004 | - |
| Commonwealth Cancer Center-Corbin | Corbin | Kentucky | 40701 | - |
| Saint Joseph Hospital East | Lexington | Kentucky | 40509 | - |
| Saint Joseph Radiation Oncology Resource Center | Lexington | Kentucky | 40504 | - |
| Jewish Hospital | Louisville | Kentucky | 40202 | - |
| Saints Mary and Elizabeth Hospital | Louisville | Kentucky | 40215 | - |
| UofL Health Medical Center Northeast | Louisville | Kentucky | 40245 | - |
| Jewish Hospital Medical Center South | Shepherdsville | Kentucky | 40165 | - |
| MaineHealth Maine Medical Center- Scarborough | Scarborough | Maine | 04074 | - |
| Johns Hopkins University/Sidney Kimmel Cancer Center | Baltimore | Maryland | 21287 | - |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | - |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02215 | - |
| Massachusetts General Hospital Cancer Center | Boston | Massachusetts | 02114 | - |
| Lahey Hospital and Medical Center | Burlington | Massachusetts | 01805 | - |
| Henry Ford Cancer Institute-Downriver | Brownstown | Michigan | 48183 | - |
| Henry Ford Macomb Hospital-Clinton Township | Clinton Township | Michigan | 48038 | - |
| Henry Ford Medical Center-Fairlane | Dearborn | Michigan | 48126 | - |
| Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Wayne State University/Karmanos Cancer Institute | Detroit | Michigan | 48201 | - |
| Weisberg Cancer Treatment Center | Farmington Hills | Michigan | 48334 | - |
| Henry Ford Medical Center-Columbus | Novi | Michigan | 48377 | - |
| Henry Ford West Bloomfield Hospital | West Bloomfield | Michigan | 48322 | - |
| Central Care Cancer Center - Bolivar | Bolivar | Missouri | 65613 | - |
| Parkland Health Center-Bonne Terre | Bonne Terre | Missouri | 63628 | - |
| Cox Cancer Center Branson | Branson | Missouri | 65616 | - |
| Mercy Cancer Center - Cape Girardeau | Cape Girardeau | Missouri | 63703 | - |
| Saint Francis Medical Center | Cape Girardeau | Missouri | 63703 | - |
| MU Health Care Goldschmidt Cancer Center | Jefferson City | Missouri | 65109 | - |
| Freeman Health System | Joplin | Missouri | 64804 | - |
| Mercy Hospital Joplin | Joplin | Missouri | 64804 | - |
| Mercy Clinic-Rolla-Cancer and Hematology | Rolla | Missouri | 65401 | - |
| Phelps Health Delbert Day Cancer Institute | Rolla | Missouri | 65401 | - |
| Sainte Genevieve County Memorial Hospital | Sainte Genevieve | Missouri | 63670 | - |
| CoxHealth South Hospital | Springfield | Missouri | 65807 | - |
| Mercy Hospital Springfield | Springfield | Missouri | 65804 | - |
| Mercy Hospital Saint Louis | St Louis | Missouri | 63141 | - |
| Mercy Infusion Center - Chippewa | St Louis | Missouri | 63109 | - |
| Missouri Baptist Medical Center | St Louis | Missouri | 63131 | - |
| Missouri Baptist Sullivan Hospital | Sullivan | Missouri | 63080 | - |
| BJC Outpatient Center at Sunset Hills | Sunset Hills | Missouri | 63127 | - |
| Community Hospital of Anaconda | Anaconda | Montana | 59711 | - |
| Billings Clinic Cancer Center | Billings | Montana | 59101 | - |
| Saint Vincent Healthcare | Billings | Montana | 59101 | - |
| Bozeman Health Deaconess Hospital | Bozeman | Montana | 59715 | - |
| Saint James Community Hospital and Cancer Treatment Center | Butte | Montana | 59701 | - |
| Benefis Sletten Cancer Institute | Great Falls | Montana | 59405 | - |
| Great Falls Clinic | Great Falls | Montana | 59405 | - |
| Saint Peter's Community Hospital | Helena | Montana | 59601 | - |
| Logan Health Medical Center | Kalispell | Montana | 59901 | - |
| Community Medical Center | Missoula | Montana | 59804 | - |
| Saint Patrick Hospital - Community Hospital | Missoula | Montana | 59802 | - |
| Nebraska Cancer Specialists/Oncology Hematology West PC | Grand Island | Nebraska | 68803 | - |
| CHI Health Good Samaritan | Kearney | Nebraska | 68847 | - |
| Fred and Pamela Buffett Cancer Center - Kearney | Kearney | Nebraska | 68845 | - |
| Saint Elizabeth Regional Medical Center | Lincoln | Nebraska | 68510 | - |
| Alegent Health Bergan Mercy Medical Center | Omaha | Nebraska | 68124 | - |
| Alegent Health Immanuel Medical Center | Omaha | Nebraska | 68122 | - |
| Alegent Health Lakeside Hospital | Omaha | Nebraska | 68130 | - |
| Hematology and Oncology Consultants PC | Omaha | Nebraska | 68122 | - |
| Midlands Community Hospital | Papillion | Nebraska | 68046 | - |
| Women's Cancer Center of Nevada | Las Vegas | Nevada | 89106 | - |
| Cooper Hospital University Medical Center | Camden | New Jersey | 08103 | - |
| Hackensack University Medical Center | Hackensack | New Jersey | 07601 | - |
| MD Anderson Cancer Center at Cooper-Voorhees | Voorhees Township | New Jersey | 08043 | - |
| Southwest Gynecologic Oncology Associates Inc | Albuquerque | New Mexico | 87106 | - |
| University of New Mexico Cancer Center | Albuquerque | New Mexico | 87106 | - |
| Memorial Sloan Kettering Cancer Center | New York | New York | 10065 | - |
| Sampson Radiation Oncology | Clinton | North Carolina | 28328 | - |
| Southeastern Medical Oncology Center-Clinton | Clinton | North Carolina | 28328 | - |
| Southeastern Medical Oncology Center-Goldsboro | Goldsboro | North Carolina | 27534 | - |
| Wayne Memorial Hospital | Goldsboro | North Carolina | 27534 | - |
| Wayne Radiation Oncology | Goldsboro | North Carolina | 27534 | - |
| Onslow Memorial Hospital | Jacksonville | North Carolina | 28546 | - |
| Southeastern Medical Oncology Center-Jacksonville | Jacksonville | North Carolina | 28546 | - |
| UHHS-Chagrin Highlands Medical Center | Beachwood | Ohio | 44122 | - |
| Strecker Cancer Center-Belpre | Belpre | Ohio | 45714 | - |
| Dayton Physicians LLC-Miami Valley South | Centerville | Ohio | 45459 | - |
| Miami Valley Hospital South | Centerville | Ohio | 45459 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 45601 | - |
| Bethesda North Hospital | Cincinnati | Ohio | 45242 | - |
| Good Samaritan Hospital - Cincinnati | Cincinnati | Ohio | 45220 | - |
| Oncology Hematology Care Inc-Kenwood | Cincinnati | Ohio | 45236 | - |
| TriHealth Cancer Institute-Anderson | Cincinnati | Ohio | 45255 | - |
| TriHealth Cancer Institute-Westside | Cincinnati | Ohio | 45247 | - |
| Case Western Reserve University | Cleveland | Ohio | 44106 | - |
| Cleveland Clinic Cancer Center/Fairview Hospital | Cleveland | Ohio | 44111 | - |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | - |
| Columbus Oncology and Hematology Associates Inc | Columbus | Ohio | 43214 | - |
| Doctors Hospital | Columbus | Ohio | 43228 | - |
| Grant Medical Center | Columbus | Ohio | 43215 | - |
| Mount Carmel East Hospital | Columbus | Ohio | 43213 | - |
| Mount Carmel Health Center West | Columbus | Ohio | 43222 | - |
| Ohio State University Comprehensive Cancer Center | Columbus | Ohio | 43210 | - |
| Riverside Methodist Hospital | Columbus | Ohio | 43214 | - |
| The Mark H Zangmeister Center | Columbus | Ohio | 43219 | - |
| Dayton Physician LLC - Englewood | Dayton | Ohio | 45415 | - |
| Good Samaritan Hospital - Dayton | Dayton | Ohio | 45406 | - |
| Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Miami Valley Hospital North | Dayton | Ohio | 45415 | - |
| Delaware Health Center-Grady Cancer Center | Delaware | Ohio | 43015 | - |
| Delaware Radiation Oncology | Delaware | Ohio | 43015 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Armes Family Cancer Center | Findlay | Ohio | 45840 | - |
| Blanchard Valley Hospital | Findlay | Ohio | 45840 | - |
| Orion Cancer Care | Findlay | Ohio | 45840 | - |
| Atrium Medical Center-Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Dayton Physicians LLC-Atrium | Franklin | Ohio | 45005 | - |
| Dayton Physicians LLC-Wayne | Greenville | Ohio | 45331 | - |
| Wayne Hospital | Greenville | Ohio | 45331 | - |
| Greater Dayton Cancer Center | Kettering | Ohio | 45409 | - |
| Kettering Medical Center | Kettering | Ohio | 45429 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| OhioHealth Marion General Hospital | Marion | Ohio | 43302 | - |
| Hillcrest Hospital Cancer Center | Mayfield Heights | Ohio | 44124 | - |
| UH Seidman Cancer Center at Landerbrook Health Center | Mayfield Heights | Ohio | 44124 | - |
| UH Seidman Cancer Center at Lake Health Mentor Campus | Mentor | Ohio | 44060 | - |
| Dayton Physicians LLC-Signal Point | Middletown | Ohio | 45042 | - |
| Knox Community Hospital | Mount Vernon | Ohio | 43050 | - |
| Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| Newark Radiation Oncology | Newark | Ohio | 43055 | - |
| Southern Ohio Medical Center | Portsmouth | Ohio | 45662 | - |
| Dayton Physicians LLC-Wilson | Sidney | Ohio | 45365 | - |
| Springfield Regional Cancer Center | Springfield | Ohio | 45504 | - |
| Springfield Regional Medical Center | Springfield | Ohio | 45504 | - |
| Dayton Physicians LLC - Troy | Troy | Ohio | 45373 | - |
| Upper Valley Medical Center | Troy | Ohio | 45373 | - |
| University Hospitals Sharon Health Center | Wadsworth | Ohio | 44281 | - |
| Saint Ann's Hospital | Westerville | Ohio | 43081 | - |
| UHHS-Westlake Medical Center | Westlake | Ohio | 44145 | - |
| Genesis Healthcare System Cancer Care Center | Zanesville | Ohio | 43701 | - |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | - |
| Oklahoma Cancer Specialists and Research Institute-Tulsa | Tulsa | Oklahoma | 74146 | - |
| Saint Charles Health System | Bend | Oregon | 97701 | - |
| Clackamas Radiation Oncology Center | Clackamas | Oregon | 97015 | - |
| Providence Cancer Institute Clackamas Clinic | Clackamas | Oregon | 97015 | - |
| Bay Area Hospital | Coos Bay | Oregon | 97420 | - |
| Providence Newberg Medical Center | Newberg | Oregon | 97132 | - |
| Providence Willamette Falls Medical Center | Oregon City | Oregon | 97045 | - |
| Providence Portland Medical Center | Portland | Oregon | 97213 | - |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | - |
| Jefferson Abington Hospital | Abington | Pennsylvania | 19001 | - |
| Lehigh Valley Hospital-Cedar Crest | Allentown | Pennsylvania | 18103 | - |
| Lehigh Valley Hospital - Muhlenberg | Bethlehem | Pennsylvania | 18017 | - |
| Christiana Care Health System-Concord Health Center | Chadds Ford | Pennsylvania | 19317 | - |
| Ephrata Cancer Center | Ephrata | Pennsylvania | 17522 | - |
| Adams Cancer Center | Gettysburg | Pennsylvania | 17325 | - |
| WellSpan Medical Oncology and Hematology | Hanover | Pennsylvania | 17331 | - |
| University of Pennsylvania/Abramson Cancer Center | Philadelphia | Pennsylvania | 19104 | - |
| Reading Hospital | West Reading | Pennsylvania | 19611 | - |
| WellSpan Health-York Cancer Center | York | Pennsylvania | 17403 | - |
| WellSpan Health-York Hospital | York | Pennsylvania | 17403 | - |
| Women and Infants Hospital | Providence | Rhode Island | 02905 | - |
| Prisma Health Cancer Institute - Spartanburg | Boiling Springs | South Carolina | 29316 | - |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | - |
| Prisma Health Cancer Institute - Easley | Easley | South Carolina | 29640 | - |
| Greenville Health System Cancer Institute-Andrews | Greenville | South Carolina | 29601 | - |
| Prisma Health Cancer Institute - Butternut | Greenville | South Carolina | 29605 | - |
| Prisma Health Cancer Institute - Eastside | Greenville | South Carolina | 29615 | - |
| Prisma Health Cancer Institute - Faris | Greenville | South Carolina | 29605 | - |
| Prisma Health Greenville Memorial Hospital | Greenville | South Carolina | 29605 | - |
| Saint Francis Cancer Center | Greenville | South Carolina | 29607 | - |
| Saint Francis Hospital | Greenville | South Carolina | 29601 | - |
| Prisma Health Cancer Institute - Greer | Greer | South Carolina | 29650 | - |
| Prisma Health Cancer Institute - Seneca | Seneca | South Carolina | 29672 | - |
| Avera Cancer Institute | Sioux Falls | South Dakota | 57105 | - |
| Memorial Hospital | Chattanooga | Tennessee | 37404 | - |
| Pulmonary Medicine Center of Chattanooga-Hixson | Hixson | Tennessee | 37343 | - |
| Memorial GYN Plus | Ooltewah | Tennessee | 37363 | - |
| UT MD Anderson Cancer Center | Houston | Texas | 77030 | - |
| Huntsman Cancer Institute/University of Utah | Salt Lake City | Utah | 84112 | - |
| South Jordan Health Center | South Jordan | Utah | 84009 | - |
| Inova Fairfax Hospital | Falls Church | Virginia | 22042 | - |
| Providence Regional Cancer System-Aberdeen | Aberdeen | Washington | 98520 | - |
| Cancer Care Center at Island Hospital | Anacortes | Washington | 98221 | - |
| Swedish Cancer Institute-Eastside Oncology Hematology | Bellevue | Washington | 98005 | - |
| PeaceHealth Saint Joseph Medical Center | Bellingham | Washington | 98225 | - |
| Highline Medical Center-Main Campus | Burien | Washington | 98166 | - |
| Providence Regional Cancer System-Centralia | Centralia | Washington | 98531 | - |
| Swedish Cancer Institute-Edmonds | Edmonds | Washington | 98026 | - |
| Saint Elizabeth Hospital | Enumclaw | Washington | 98022 | - |
| Providence Regional Cancer Partnership | Everett | Washington | 98201 | - |
| Saint Francis Hospital | Federal Way | Washington | 98003 | - |
| Swedish Cancer Institute-Issaquah | Issaquah | Washington | 98029 | - |
| Providence Regional Cancer System-Lacey | Lacey | Washington | 98503 | - |
| Saint Clare Hospital | Lakewood | Washington | 98499 | - |
| PeaceHealth Saint John Medical Center | Longview | Washington | 98632 | - |
| Harrison HealthPartners Hematology and Oncology-Poulsbo | Poulsbo | Washington | 98370 | - |
| Fred Hutchinson Cancer Center | Seattle | Washington | 98109 | - |
| Kaiser Permanente Washington | Seattle | Washington | 98112 | - |
| Minor and James Medical PLLC | Seattle | Washington | 98104 | - |
| Pacific Gynecology Specialists | Seattle | Washington | 98104 | - |
| Swedish Medical Center-Ballard Campus | Seattle | Washington | 98107 | - |
| Swedish Medical Center-First Hill | Seattle | Washington | 98122 | - |
| University of Washington Medical Center - Montlake | Seattle | Washington | 98195 | - |
| University of Washington Medical Center - Northwest | Seattle | Washington | 98133 | - |
| Women's Cancer Center of Seattle | Seattle | Washington | 98133 | - |
| Providence Regional Cancer System-Shelton | Shelton | Washington | 98584 | - |
| Saint Joseph Medical Center Hematology and Oncology - Silverdale | Silverdale | Washington | 98383 | - |
| Evergreen Hematology and Oncology PS | Spokane | Washington | 99218 | - |
| MultiCare Deaconess Cancer and Blood Specialty Center - Downtown | Spokane | Washington | 99204 | - |
| MultiCare Deaconess Cancer and Blood Specialty Center - Valley | Spokane Valley | Washington | 99216 | - |
| Franciscan Research Center-Northwest Medical Plaza | Tacoma | Washington | 98405 | - |
| Northwest Medical Specialties PLLC | Tacoma | Washington | 98405 | - |
| PeaceHealth Southwest Medical Center | Vancouver | Washington | 98664 | - |
| Providence Saint Mary Regional Cancer Center | Walla Walla | Washington | 99362 | - |
| North Star Lodge Cancer Center at Yakima Valley Memorial Hospital | Yakima | Washington | 98902 | - |
| Providence Regional Cancer System-Yelm | Yelm | Washington | 98597 | - |
| Monongalia Hospital | Morgantown | West Virginia | 26505 | - |
| Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |
| Big Horn Basin Cancer Center | Cody | Wyoming | 82414 | - |
| Billings Clinic-Cody | Cody | Wyoming | 82414 | - |
| Welch Cancer Center | Sheridan | Wyoming | 82801 | - |