| 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 | - |
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | - |
| The University of Arizona Medical Center-University Campus | Tucson | Arizona | 85724 | - |
| Mercy Cancer Center-Hot Springs | Hot Springs | Arkansas | 71913 | - |
| University of Arkansas for Medical Sciences | Little Rock | Arkansas | 72205 | - |
| Highlands Oncology Group-Rogers | Rogers | Arkansas | 72758 | - |
| Providence Saint Joseph Medical Center/Disney Family Cancer Center | Burbank | California | 91505 | - |
| Mercy San Juan Medical Center | Carmichael | California | 95608 | - |
| Saint Jude Medical Center | Fullerton | California | 92835 | - |
| Loma Linda University Medical Center | Loma Linda | California | 92354 | - |
| Veterans Affairs Loma Linda Healthcare System | Loma Linda | California | 92357 | - |
| Veterans Administration Long Beach Medical Center | Long Beach | California | 90822 | - |
| UC Irvine Health/Chao Family Comprehensive Cancer Center | Orange | California | 92868 | - |
| Kaiser Permanente-Riverside | Riverside | California | 92505 | - |
| University of California Davis Comprehensive Cancer Center | Sacramento | California | 95817 | - |
| University of California San Diego | San Diego | California | 92103 | - |
| University of Colorado Cancer Center - Anschutz Cancer Pavilion | Aurora | Colorado | 80045 | - |
| Memorial Hospital Colorado Springs | Colorado Springs | Colorado | 80909 | - |
| Penrose-Saint Francis Healthcare | Colorado Springs | Colorado | 80907 | - |
| Rocky Mountain Cancer Centers-Penrose | Colorado Springs | Colorado | 80907 | - |
| Porter Adventist Hospital | Denver | Colorado | 80210 | - |
| University of Colorado | Denver | Colorado | 80217-3364 | - |
| Mercy Medical Center | Durango | Colorado | 81301 | - |
| Southwest Oncology PC | Durango | Colorado | 81301 | - |
| Mountain Blue Cancer Care Center | Golden | Colorado | 80401 | - |
| Rocky Mountain Cancer Centers-Lakewood | Lakewood | Colorado | 80228 | - |
| Saint Anthony Hospital | Lakewood | Colorado | 80228 | - |
| Littleton Adventist Hospital | Littleton | Colorado | 80122 | - |
| Longmont United Hospital | Longmont | Colorado | 80501 | - |
| Rocky Mountain Cancer Centers-Longmont | Longmont | Colorado | 80501 | - |
| Parker Adventist Hospital | Parker | Colorado | 80138 | - |
| Rocky Mountain Cancer Centers-Parker | Parker | Colorado | 80138 | - |
| Rocky Mountain Cancer Centers - Pueblo | Pueblo | Colorado | 81008 | - |
| Saint Mary Corwin Medical Center | Pueblo | Colorado | 81004 | - |
| Rocky Mountain Cancer Centers-Thornton | Thornton | Colorado | 80260 | - |
| Saint Vincent's Medical Center | Bridgeport | Connecticut | 06606 | - |
| Smilow Cancer Hospital Care Center at Saint Francis | Hartford | Connecticut | 06105 | - |
| Stamford Hospital/Bennett Cancer Center | Stamford | Connecticut | 06904 | - |
| Beebe Medical Center | Lewes | Delaware | 19958 | - |
| Christiana Care Health System-Christiana Hospital | Newark | Delaware | 19718 | - |
| Christiana Gynecologic Oncology LLC | Newark | Delaware | 19713 | - |
| 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 | - |
| Regional Hematology and Oncology PA | Newark | Delaware | 19713 | - |
| Beebe Health Campus | Rehoboth Beach | Delaware | 19971 | - |
| Nanticoke Memorial Hospital | Seaford | Delaware | 19973 | - |
| Christiana Care Health System-Wilmington Hospital | Wilmington | Delaware | 19801 | - |
| Boca Raton Regional Hospital | Boca Raton | Florida | 33486 | - |
| Mayo Clinic in Florida | Jacksonville | Florida | 32224-9980 | - |
| Emory University Hospital Midtown | Atlanta | Georgia | 30308 | - |
| Emory University/Winship Cancer Institute | Atlanta | Georgia | 30322 | - |
| Atlanta VA Medical Center | Decatur | Georgia | 30033 | - |
| Memorial University Medical Center | Savannah | Georgia | 31404 | - |
| Saint Alphonsus Cancer Care Center-Boise | Boise | Idaho | 83706 | - |
| Saint Luke's Mountain States Tumor Institute | Boise | Idaho | 83712 | - |
| Saint Alphonsus Cancer Care Center-Caldwell | Caldwell | Idaho | 83605 | - |
| Kootenai Medical Center | Coeur d'Alene | Idaho | 83814 | - |
| Walter Knox Memorial Hospital | Emmett | Idaho | 83617 | - |
| Saint Luke's Mountain States Tumor Institute - Fruitland | Fruitland | Idaho | 83619 | - |
| Saint Joseph Regional Medical Center | Lewiston | Idaho | 83501 | - |
| Idaho Urologic Institute-Meridian | Meridian | Idaho | 83642 | - |
| Saint Luke's Mountain States Tumor Institute - Meridian | Meridian | Idaho | 83642 | - |
| Saint Alphonsus Medical Center-Nampa | Nampa | Idaho | 83686 | - |
| Saint Luke's Mountain States Tumor Institute - Nampa | Nampa | Idaho | 83686 | - |
| Portneuf Medical Center | Pocatello | Idaho | 83201 | - |
| Kootenai Cancer Center | Post Falls | Idaho | 83854 | - |
| Kootenai Cancer Clinic | Sandpoint | Idaho | 83864 | - |
| Saint Luke's Mountain States Tumor Institute-Twin Falls | Twin Falls | Idaho | 83301 | - |
| University of Chicago Comprehensive Cancer Center | Chicago | Illinois | 60637 | - |
| Saint John's Hospital | Springfield | Illinois | 62702 | - |
| Southern Illinois University School of Medicine | Springfield | Illinois | 62702 | - |
| Indiana University/Melvin and Bren Simon Cancer Center | Indianapolis | Indiana | 46202 | - |
| Richard L. Roudebush Veterans Affairs Medical Center | Indianapolis | Indiana | 46202 | - |
| Sidney and Lois Eskenazi Hospital | Indianapolis | Indiana | 46202 | - |
| Memorial Regional Cancer Center Day Road | Mishawaka | Indiana | 46544 | - |
| Memorial Hospital of South Bend | South Bend | Indiana | 46601 | - |
| Medical Oncology and Hematology Associates-West Des Moines | Clive | Iowa | 50325 | - |
| Mercy Cancer Center-West Lakes | Clive | Iowa | 50325 | - |
| Alegent Health Mercy Hospital | Council Bluffs | Iowa | 51503 | - |
| Greater Regional Medical Center | Creston | Iowa | 50801 | - |
| Medical Oncology and Hematology Associates-Laurel | Des Moines | Iowa | 50314 | - |
| Mercy Medical Center - Des Moines | Des Moines | Iowa | 50314 | - |
| Mercy Medical Center-West Lakes | West Des Moines | Iowa | 50266 | - |
| University of Kansas Cancer Center | Kansas City | Kansas | 66160 | - |
| Olathe Cancer Center | Olathe | Kansas | 66061 | - |
| Menorah Medical Center | Overland Park | Kansas | 66209 | - |
| Saint Luke's South Hospital | Overland Park | Kansas | 66213 | - |
| Shawnee Mission Medical Center-KCCC | Shawnee Mission | Kansas | 66204 | - |
| 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 | - |
| University of Kentucky/Markey Cancer Center | Lexington | Kentucky | 40536 | - |
| Jewish Hospital | Louisville | Kentucky | 40202 | - |
| Jewish Hospital Medical Center Northeast | Louisville | Kentucky | 40245 | - |
| Saints Mary and Elizabeth Hospital | Louisville | Kentucky | 40215 | - |
| Jewish Hospital Medical Center South | Shepherdsville | Kentucky | 40165 | - |
| Ochsner Medical Center Jefferson | New Orleans | Louisiana | 70121 | - |
| Anne Arundel Medical Center | Annapolis | Maryland | 21401 | - |
| University of Maryland/Greenebaum Cancer Center | Baltimore | Maryland | 21201 | - |
| Upper Chesapeake Medical Center | Bel Air | Maryland | 21014 | - |
| Union Hospital of Cecil County | Elkton | Maryland | 21921 | - |
| Holy Cross Hospital | Silver Spring | Maryland | 20910 | - |
| Boston Medical Center | Boston | Massachusetts | 02118 | - |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | - |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02215 | - |
| Massachusetts General Hospital Cancer Center | Boston | Massachusetts | 02114 | - |
| Berkshire Hematology Oncology PC | Pittsfield | Massachusetts | 01201 | - |
| D'Amour Center for Cancer Care | Springfield | Massachusetts | 01107 | - |
| University of Massachusetts Memorial Health Care | Worcester | Massachusetts | 01605 | - |
| Michigan Cancer Research Consortium NCORP | Ann Arbor | Michigan | 48106 | - |
| Saint Joseph Mercy Hospital | Ann Arbor | Michigan | 48106-0995 | - |
| University of Michigan Comprehensive Cancer Center | Ann Arbor | Michigan | 48109 | - |
| IHA Hematology Oncology Consultants-Brighton | Brighton | Michigan | 48114 | - |
| Saint Joseph Mercy Brighton | Brighton | Michigan | 48114 | - |
| IHA Hematology Oncology Consultants-Canton | Canton | Michigan | 48188 | - |
| Saint Joseph Mercy Canton Health Center | Canton | Michigan | 48188 | - |
| Caro Cancer Center | Caro | Michigan | 48723 | - |
| IHA Hematology Oncology Consultants-Chelsea | Chelsea | Michigan | 48118 | - |
| Saint Joseph Mercy Chelsea | Chelsea | Michigan | 48118 | - |
| Hematology Oncology Consultants-Clarkston | Clarkston | Michigan | 48346 | - |
| Newland Medical Associates-Clarkston | Clarkston | Michigan | 48346 | - |
| Beaumont Hospital-Dearborn | Dearborn | Michigan | 48124 | - |
| Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Saint John Hospital and Medical Center | Detroit | Michigan | 48236 | - |
| Great Lakes Cancer Management Specialists-Doctors Park | East China Township | Michigan | 48054 | - |
| Genesee Cancer and Blood Disease Treatment Center | Flint | Michigan | 48503 | - |
| Genesee Hematology Oncology PC | Flint | Michigan | 48503 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | - |
| Genesys Regional Medical Center-West Flint Campus | Flint | Michigan | 48532 | - |
| Hurley Medical Center | Flint | Michigan | 48502 | - |
| Genesys Regional Medical Center | Grand Blanc | Michigan | 48439 | - |
| Great Lakes Cancer Management Specialists-Van Elslander Cancer Center | Grosse Pointe Woods | Michigan | 48236 | - |
| Lymphoma Clinic of Michigan | Grosse Pointe Woods | Michigan | 48236 | - |
| Michigan Breast Specialists-Grosse Pointe Woods | Grosse Pointe Woods | Michigan | 48236 | - |
| Allegiance Health | Jackson | Michigan | 49201 | - |
| Sparrow Hospital | Lansing | Michigan | 48912 | - |
| Hope Cancer Clinic | Livonia | Michigan | 48154 | - |
| Saint Mary Mercy Hospital | Livonia | Michigan | 48154 | - |
| Hematology Oncology Associates East PC | Macomb | Michigan | 48044 | - |
| Michigan Breast Specialists-Macomb Township | Macomb | Michigan | 48044 | - |
| 21st Century Oncology-Pontiac | Pontiac | Michigan | 48341 | - |
| Hope Cancer Center | Pontiac | Michigan | 48341 | - |
| Newland Medical Associates-Pontiac | Pontiac | Michigan | 48341 | - |
| Saint Joseph Mercy Oakland | Pontiac | Michigan | 48341 | - |
| Lake Huron Medical Center | Port Huron | Michigan | 48060 | - |
| Great Lakes Cancer Management Specialists-Rochester Hills | Rochester Hills | Michigan | 48309 | - |
| Oncology Hematology Associates of Saginaw Valley PC | Saginaw | Michigan | 48604 | - |
| Saint Mary's of Michigan | Saginaw | Michigan | 48601 | - |
| Bhadresh Nayak MD PC-Sterling Heights | Sterling Heights | Michigan | 48312 | - |
| Great Lakes Cancer Management Specialists-Macomb Professional Building | Warren | Michigan | 48093 | - |
| Macomb Hematology Oncology PC | Warren | Michigan | 48093 | - |
| Michigan Breast Specialists-Warren | Warren | Michigan | 48093 | - |
| Saint John Macomb-Oakland Hospital | Warren | Michigan | 48093 | - |
| Saint Mary's Oncology/Hematology Associates of West Branch | West Branch | Michigan | 48661 | - |
| Huron Gastroenterology PC | Ypsilanti | Michigan | 48106 | - |
| IHA Hematology Oncology Consultants-Ann Arbor | Ypsilanti | Michigan | 48197 | - |
| Mayo Clinic | Rochester | Minnesota | 55905 | - |
| Southeast Missouri Hospital | Cape Girardeau | Missouri | 63701 | - |
| Heartland Hematology and Oncology Associates Incorporated | Kansas City | Missouri | 64118 | - |
| North Kansas City Hospital | Kansas City | Missouri | 64116 | - |
| Research Medical Center | Kansas City | Missouri | 64132 | - |
| Saint Joseph Health Center | Kansas City | Missouri | 64114 | - |
| Saint Luke's Hospital of Kansas City | Kansas City | Missouri | 64111 | - |
| Truman Medical Center | Kansas City | Missouri | 64108 | - |
| Saint Luke's East - Lee's Summit | Lee's Summit | Missouri | 64086 | - |
| Liberty Radiation Oncology Center | Liberty | Missouri | 64068 | - |
| Heartland Regional Medical Center | Saint Joseph | Missouri | 64506 | - |
| Saint Joseph Oncology Inc | Saint Joseph | Missouri | 64507 | - |
| Christian Hospital | St Louis | Missouri | 63136 | - |
| Washington University School of Medicine | St Louis | Missouri | 63110 | - |
| Community Hospital of Anaconda | Anaconda | Montana | 59711 | - |
| Billings Clinic Cancer Center | Billings | Montana | 59101 | - |
| Saint Vincent Healthcare | Billings | Montana | 59101 | - |
| Bozeman Deaconess Hospital | Bozeman | Montana | 59715 | - |
| Saint James Community Hospital and Cancer Treatment Center | Butte | Montana | 59701 | - |
| Benefis Healthcare- Sletten Cancer Institute | Great Falls | Montana | 59405 | - |
| Big Sky Oncology | Great Falls | Montana | 59405 | - |
| Great Falls Clinic | Great Falls | Montana | 59405 | - |
| Saint Peter's Community Hospital | Helena | Montana | 59601 | - |
| Kalispell Regional Medical Center | Kalispell | Montana | 59901 | - |
| Community Medical Hospital | Missoula | Montana | 59804 | - |
| Saint Patrick Hospital - Community Hospital | Missoula | Montana | 59802 | - |
| CHI Health Saint Francis | Grand Island | Nebraska | 68803 | - |
| CHI Health Good Samaritan | Kearney | Nebraska | 68847 | - |
| Heartland Hematology and Oncology | 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 | - |
| Creighton University Medical Center | Omaha | Nebraska | 68131 | - |
| Hemotology and Oncology Consultants PC | Omaha | Nebraska | 68122 | - |
| University of Nebraska Medical Center | Omaha | Nebraska | 68198 | - |
| Midlands Community Hospital | Papillion | Nebraska | 68046 | - |
| Memorial Sloan Kettering Cancer Center at Basking Ridge | Basking Ridge | New Jersey | 07920 | - |
| Ocean Medical Center | Brick | New Jersey | 08724 | - |
| Cooper Hospital University Medical Center | Camden | New Jersey | 08103 | - |
| John F Kennedy Medical Center | Edison | New Jersey | 08818 | - |
| Southern Ocean County Medical Center | Manahawkin | New Jersey | 08050 | - |
| Jersey Shore Medical Center | Neptune City | New Jersey | 07753 | - |
| The Valley Hospital-Luckow Pavilion | Paramus | New Jersey | 07652 | - |
| Riverview Medical Center/Booker Cancer Center | Red Bank | New Jersey | 07701 | - |
| Valley Hospital | Ridgewood | New Jersey | 07450 | - |
| Valley Health System-Hematology/Oncology | Westwood | New Jersey | 07675 | - |
| Roswell Park Cancer Institute | Buffalo | New York | 14263 | - |
| Memorial Sloan Kettering Commack | Commack | New York | 11725 | - |
| Hematology Oncology Associates of Central New York-East Syracuse | East Syracuse | New York | 13057 | - |
| The New York Hospital Medical Center of Queens | Flushing | New York | 11355 | - |
| Memorial Sloan-Kettering Cancer Center West Harrison | Harrison | New York | 10604 | - |
| Laura and Isaac Perlmutter Cancer Center at NYU Langone | New York | New York | 10016 | - |
| Memorial Sloan-Kettering Cancer Center | New York | New York | 10065 | - |
| Weill Medical College of Cornell University | New York | New York | 10065 | - |
| University of Rochester | Rochester | New York | 14642 | - |
| Memorial Sloan Kettering Rockville Centre | Rockville Centre | New York | 11570 | - |
| State University of New York Upstate Medical University | Syracuse | New York | 13210 | - |
| Asheville VA Medical Center | Asheville | North Carolina | 28805 | - |
| Southeastern Medical Oncology Center-Clinton | Clinton | North Carolina | 28328 | - |
| Duke University Medical Center | Durham | North Carolina | 27710 | - |
| Southeastern Medical Oncology Center-Goldsboro | Goldsboro | North Carolina | 27534 | - |
| Wayne Memorial Hospital | Goldsboro | North Carolina | 27534 | - |
| Southeastern Medical Oncology Center-Jacksonville | Jacksonville | North Carolina | 28546 | - |
| Southeastern Medical Oncology Center-Wilson | Wilson | North Carolina | 27893 | - |
| Mary Rutan Hospital | Bellefontaine | Ohio | 43311 | - |
| Mercy Medical Center | Canton | Ohio | 44708 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 45601 | - |
| Bethesda North Hospital | Cincinnati | Ohio | 45242 | - |
| Good Samaritan Hospital - Cincinnati | Cincinnati | Ohio | 45220 | - |
| TriHealth Cancer Institute-Anderson | Cincinnati | Ohio | 45255 | - |
| TriHealth Cancer Institute-Westside | Cincinnati | Ohio | 45247 | - |
| Columbus NCI Community Oncology Research Program | Columbus | Ohio | 43215 | - |
| Doctors Hospital | Columbus | Ohio | 43228 | - |
| Grant Medical Center | Columbus | Ohio | 43215 | - |
| 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 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| Knox Community Hospital | Mount Vernon | Ohio | 43050 | - |
| Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| Southern Ohio Medical Center | Portsmouth | Ohio | 45662 | - |
| Springfield Regional Medical Center | Springfield | Ohio | 45505 | - |
| Saint Ann's Hospital | Westerville | Ohio | 43081 | - |
| Tod Children's Hospital - Forum Health | Youngstown | Ohio | 44501 | - |
| Genesis Healthcare System Cancer Care Center | Zanesville | Ohio | 43701 | - |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | - |
| Saint Alphonsus Medical Center-Baker City | Baker City | Oregon | 97814 | - |
| Saint Charles Health System | Bend | Oregon | 97701 | - |
| Clackamas Radiation Oncology Center | Clackamas | Oregon | 97015 | - |
| Providence Oncology and Hematology Care Southeast | Clackamas | Oregon | 97015 | - |
| Bay Area Hospital | Coos Bay | Oregon | 97420 | - |
| Providence Milwaukie Hospital | Milwaukie | Oregon | 97222 | - |
| Providence Newberg Medical Center | Newberg | Oregon | 97132 | - |
| Saint Alphonsus Medical Center-Ontario | Ontario | Oregon | 97914 | - |
| Providence Willamette Falls Medical Center | Oregon City | Oregon | 97045 | - |
| Portland Veterans Administration Medical Center | Portland | Oregon | 97239 | - |
| Providence Portland Medical Center | Portland | Oregon | 97213 | - |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | - |
| Lehigh Valley Hospital-Cedar Crest | Allentown | Pennsylvania | 18103 | - |
| Lehigh Valley Hospital - Muhlenberg | Bethlehem | Pennsylvania | 18017 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822 | - |
| Armstrong Center for Medicine and Health | Kittanning | Pennsylvania | 16201 | - |
| Geisinger Medical Oncology-Lewisburg | Lewisburg | Pennsylvania | 17837 | - |
| Forbes Hospital | Monroeville | Pennsylvania | 15146 | - |
| Allegheny Valley Hospital | Natrona Heights | Pennsylvania | 15065 | - |
| Jameson Health System North Campus | New Castle | Pennsylvania | 16105 | - |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | - |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | - |
| Allegheny General Hospital | Pittsburgh | Pennsylvania | 15212 | - |
| University of Pittsburgh Cancer Institute (UPCI) | Pittsburgh | Pennsylvania | 15232 | - |
| UPMC-Magee Womens Hospital | Pittsburgh | Pennsylvania | 15213 | - |
| UPMC-Passavant Hospital | Pittsburgh | Pennsylvania | 15237 | - |
| UPMC-Presbyterian Hospital | Pittsburgh | Pennsylvania | 15213 | - |
| UPMC-Saint Margaret | Pittsburgh | Pennsylvania | 15215 | - |
| UPMC-Shadyside Hospital | Pittsburgh | Pennsylvania | 15232 | - |
| West Penn Hospital | Pittsburgh | Pennsylvania | 15224 | - |
| Geisinger Medical Oncology-Pottsville | Pottsville | Pennsylvania | 17901 | - |
| Penn State Health Saint Joseph Medical Center | Reading | Pennsylvania | 19605 | - |
| Guthrie Medical Group PC-Robert Packer Hospital | Sayre | Pennsylvania | 18840 | - |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | - |
| Greenville Health System Cancer Institute-Easley | Easley | South Carolina | 29640 | - |
| Greenville Health System Cancer Institute-Butternut | Greenville | South Carolina | 29605 | - |
| Greenville Memorial Hospital | Greenville | South Carolina | 29605 | - |
| Greenville Health System Cancer Institute-Seneca | Seneca | South Carolina | 29672 | - |
| Greenville Health System Cancer Institute-Spartanburg | Spartanburg | South Carolina | 29307 | - |
| Memorial Hospital | Chattanooga | Tennessee | 37404 | - |
| Pulmonary Medicine Center of Chattanooga-Hixson | Hixson | Tennessee | 37343 | - |
| University of Tennessee - Knoxville | Knoxville | Tennessee | 37920 | - |
| Memorial GYN Plus | Ooltewah | Tennessee | 37363 | - |
| Saint Joseph Regional Cancer Center | Bryan | Texas | 77802 | - |
| Medical City Dallas Hospital | Dallas | Texas | 75230 | - |
| UT Southwestern/Simmons Cancer Center-Dallas | Dallas | Texas | 75390 | - |
| M D Anderson Cancer Center | Houston | Texas | 77030 | - |
| American Fork Hospital / Huntsman Intermountain Cancer Center | American Fork | Utah | 84003 | - |
| Central Vermont Medical Center/National Life Cancer Treatment | Berlin Corners | Vermont | 05602 | - |
| University of Vermont College of Medicine | Burlington | Vermont | 05405 | - |
| University of Virginia Cancer Center | Charlottesville | Virginia | 22908 | - |
| Mary Washington Hospital | Fredericksburg | Virginia | 22401 | - |
| Sentara Cancer Institute at Sentara CarePlex Hospital | Hampton | Virginia | 23666 | - |
| Virginia Oncology Associates-Hampton | Hampton | Virginia | 23666 | - |
| Sentara Norfolk General Hospital | Norfolk | Virginia | 23507 | - |
| Virginia Oncology Associates - Lake Wright | Norfolk | Virginia | 23502 | - |
| Virginia Commonwealth University/Massey Cancer Center | Richmond | Virginia | 23298 | - |
| Sentara Williamsburg Regional Medical Center | Williamsburg | Virginia | 23188 | - |
| Providence Regional Cancer System-Aberdeen | Aberdeen | Washington | 98520 | - |
| Cancer Care Center at Island Hospital | Anacortes | Washington | 98221 | - |
| MultiCare Auburn Medical Center | Auburn | Washington | 98001 | - |
| Overlake Hospital Medical Center | Bellevue | Washington | 98004 | - |
| Swedish Cancer Institute-Eastside Oncology Hematology | Bellevue | Washington | 98005 | - |
| PeaceHealth Saint Joseph Medical Center | Bellingham | Washington | 98225 | - |
| Harrison HealthPartners Hematology and Oncology-Bremerton | Bremerton | Washington | 98310 | - |
| Harrison Medical Center | Bremerton | Washington | 98310 | - |
| Highline Medical Center-Main Campus | Burien | Washington | 98166 | - |
| Providence Regional Cancer System-Centralia | Centralia | Washington | 98531 | - |
| Swedish Medical Center-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 | - |
| Kadlec Clinic Hematology and Oncology | Kennewick | Washington | 99336 | - |
| Seattle Cancer Care Alliance at EvergreenHealth | Kirkland | Washington | 98034 | - |
| Providence Regional Cancer System-Lacey | Lacey | Washington | 98503 | - |
| Saint Clare Hospital | Lakewood | Washington | 98499 | - |
| PeaceHealth Saint John Medical Center | Longview | Washington | 98632 | - |
| Skagit Valley Hospital | Mount Vernon | Washington | 98274 | - |
| Providence - Saint Peter Hospital | Olympia | Washington | 98506-5166 | - |
| Harrison HealthPartners Hematology and Oncology-Poulsbo | Poulsbo | Washington | 98370 | - |
| MultiCare Good Samaritan Hospital | Puyallup | Washington | 98372 | - |
| Fred Hutchinson Cancer Research Center | Seattle | Washington | 98109 | - |
| Group Health Cooperative-Seattle | Seattle | Washington | 98112 | - |
| Harborview Medical Center | Seattle | Washington | 98104 | - |
| 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 | 98122-4307 | - |
| University of Washington Medical Center | Seattle | Washington | 98195 | - |
| Virginia Mason Medical Center | Seattle | Washington | 98101 | - |
| United General Hospital | Sedro-Woolley | Washington | 98284 | - |
| Providence Regional Cancer System-Shelton | Shelton | Washington | 98584 | - |
| Cancer Care Northwest - Spokane South | Spokane | Washington | 99202 | - |
| Evergreen Hematology and Oncology PS | Spokane | Washington | 99218 | - |
| Rockwood Cancer Treatment Center-DHEC-Downtown | Spokane | Washington | 99204 | - |
| Rockwood Clinic | Spokane | Washington | 99220 | - |
| Rockwood North Cancer Treatment Center | Spokane | Washington | 99218 | - |
| Rockwood Clinic Cancer Treatment Center-Valley | Spokane Valley | Washington | 99216 | - |
| Franciscan Research Center-Northwest Medical Plaza | Tacoma | Washington | 98405 | - |
| MultiCare Allenmore Hospital | Tacoma | Washington | 98405 | - |
| MultiCare Tacoma General Hospital | Tacoma | Washington | 98405 | - |
| Northwest Medical Specialties PLLC | Tacoma | Washington | 98405 | - |
| Saint Joseph Medical Center | Tacoma | Washington | 98405 | - |
| Compass Oncology Vancouver | Vancouver | Washington | 98684 | - |
| PeaceHealth Southwest Medical Center | Vancouver | Washington | 98664 | - |
| Providence Saint Mary Regional Cancer Center | Walla Walla | Washington | 99362 | - |
| Wenatchee Valley Hospital and Clinics | Wenatchee | Washington | 98801 | - |
| North Star Lodge Cancer Center at Yakima Valley Memorial Hospital | Yakima | Washington | 98902 | - |
| Providence Regional Cancer System-Yelm | Yelm | Washington | 98597 | - |
| Fox Valley Surgical Associates Limited | Appleton | Wisconsin | 54911 | - |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | - |
| Froedtert and the 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 | - |