| Foundation for Cancer Research and Education | Phoenix | Arizona | 85013 | - |
| Providence Saint Joseph Medical Center - Burbank | Burbank | California | 91505 | - |
| Saint Agnes Medical Center | Fresno | California | 93720 | - |
| Loma Linda University Cancer Institute at Loma Linda University Medical Center | Loma Linda | California | 92354 | - |
| Providence Holy Cross Cancer Center | Mission Hills | California | 91346-9600 | - |
| Pomona Valley Hospital Medical Center | Pomona | California | 91767 | - |
| Radiological Associates of Sacramento Medical Group, Inc. | Sacramento | California | 95815 | - |
| Yale Comprehensive Cancer Center at Yale University School of Medicine | New Haven | Connecticut | 06520-8032 | - |
| CCOP - Christiana Care Health Services | Newark | Delaware | 19718 | - |
| University of Florida Shands Cancer Center | Gainesville | Florida | 32610 | - |
| Baptist Cancer Institute - Jacksonville | Jacksonville | Florida | 32207 | - |
| John B. Amos Community Cancer Center | Columbus | Georgia | 31904 | - |
| Regional Radiation Oncology Center at Rome | Rome | Georgia | 30165 | - |
| Saint Alphonsus Cancer Care Center at Saint Alphonsus Regional Medical Center | Boise | Idaho | 83706 | - |
| Northwest Community Hospital | Arlington Heights | Illinois | 60005 | - |
| Robert H. Lurie Comprehensive Cancer Center at Northwestern University | Chicago | Illinois | 60611-3013 | - |
| University of Chicago Cancer Research Center | Chicago | Illinois | 60637-1470 | - |
| Ingalls Cancer Care Center at Ingalls Memorial Hospital | Harvey | Illinois | 60426 | - |
| Cardinal Bernardin Cancer Center at Loyola University Medical Center | Maywood | Illinois | 60153 | - |
| St. Francis Hospital and Health Centers | Beech Grove | Indiana | 46107 | - |
| CCOP - Ochsner | New Orleans | Louisiana | 70121 | - |
| Tulane Cancer Center | New Orleans | Louisiana | 70112 | - |
| University of Michigan Comprehensive Cancer Center | Ann Arbor | Michigan | 48109 | - |
| Josephine Ford Cancer Center at Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | - |
| Regional Cancer Center at Singing River Hospital | Pascagoula | Mississippi | 39581 | - |
| Cancer Institute of Cape Girardeau | Cape Girardeau | Missouri | 63703 | - |
| 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 | - |
| Siteman Cancer Center at Barnes-Jewish Hospital | St Louis | Missouri | 63110 | - |
| Methodist Cancer Center at Methodist Hospital - Omaha | Omaha | Nebraska | 68114 | - |
| CCOP - Southern Nevada Cancer Research Foundation | Las Vegas | Nevada | 89106 | - |
| Dartmouth - Hitchcock Concord | Concord | New Hampshire | 03301 | - |
| Norris Cotton Cancer Center at Dartmouth-Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| Cancer Institute of New Jersey at the Cooper University Hospital | Camden | New Jersey | 08103 | - |
| Cooper Cancer Institute | Camden | New Jersey | 08103 | - |
| John F. Kennedy Medical Center | Edison | New Jersey | 08818 | - |
| Monmouth Medical Center | Long Branch | New Jersey | 07740 | - |
| Community Medical Center | Toms River | New Jersey | 08755 | - |
| University of New Mexico Cancer Research and Treatment Center | Albuquerque | New Mexico | 87106 | - |
| Roswell Park Cancer Institute | Buffalo | New York | 14263 | - |
| James P. Wilmot Cancer Center at University of Rochester Medical Center | Rochester | New York | 14642 | - |
| Lipson Cancer and Blood Center at Rochester General Hospital | Rochester | New York | 14621 | - |
| Randolph Hospital | Asheboro | North Carolina | 27203 | - |
| Mission Hospitals - Memorial Campus | Asheville | North Carolina | 28801 | - |
| John Smith, Jr./Dalton McMichael Cancer Center at Morehead Memorial Hospital | Eden | North Carolina | 27288 | - |
| Wayne Radiation Oncology | Goldsboro | North Carolina | 27534 | - |
| Moses Cone Regional Cancer Center at Wesley Long Community Hospital | Greensboro | North Carolina | 27401 | - |
| Annie Penn Cancer Center | Reidsville | North Carolina | 27320 | - |
| Akron City Hospital | Akron | Ohio | 44304 | - |
| McDowell Cancer Center at Akron General Medical Center | Akron | Ohio | 44307 | - |
| Radiation Oncology Center | Alliance | Ohio | 44601 | - |
| Aultman Hospital Cancer Center at Aultman Health Foundation | Canton | Ohio | 44710 | - |
| Charles M. Barrett Cancer Center at University Hospital | Cincinnati | Ohio | 45267 | - |
| CCOP - Columbus | Columbus | Ohio | 43215 | - |
| David L. Rike Cancer Center at Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Grandview Hospital | Dayton | Ohio | 45405 | - |
| Veterans Affairs Medical Center - Dayton | Dayton | Ohio | 45428 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| Middletown Regional Hospital | Middletown | Ohio | 45044 | - |
| Cancer Research UK Medical Oncology Unit at Churchill Hospital & Weatherall Institute of Molecular Medicine - Oxford | Salem | Ohio | 44460 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373 | - |
| Cancer Treatment Center | Wooster | Ohio | 44691 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Natalie Warren Bryant Cancer Center at St. Francis Hospital | Tulsa | Oklahoma | 74136 | - |
| Legacy Mount Hood Medical Center | Glesham | Oregon | 97030 | - |
| Providence Milwaukie Hospital | Milwaukie | Oregon | 97222 | - |
| CCOP - Columbia River Oncology Program | Portland | Oregon | 97225 | - |
| Comprehensive Cancer Center at Legacy Good Samaritan Hospital & Medical Center | Portland | Oregon | 97210 | - |
| Institute of Oncology at Vilnius University | Portland | Oregon | 97227 | - |
| Providence Cancer Center at Providence Portland Medical Center | Portland | Oregon | 97213 | - |
| Providence St. Vincent Medical Center | Portland | Oregon | 97225 | - |
| Legacy Meridian Park Hospital | Tualatin | Oregon | 97062 | - |
| Abington Memorial Hospital | Abington | Pennsylvania | 19001 | - |
| John and Dorothy Morgan Cancer Center at Lehigh Valley Hospital | Allentown | Pennsylvania | 18105 | - |
| St. Luke's Hospital Cancer Center | Bethlehem | Pennsylvania | 18015 | - |
| Bryn Mawr Hospital | Bryn Mawr | Pennsylvania | 19010 | - |
| UPMC Cancer Center - Arnold Palmer Pavilion | Greensburg | Pennsylvania | 15601 | - |
| Penn State Cancer Institute at Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033-0850 | - |
| UPMC McKeesport | McKeesport | Pennsylvania | 15132 | - |
| Paoli Memorial Hospital | Paoli | Pennsylvania | 19301 | - |
| Albert Einstein Cancer Center | Philadelphia | Pennsylvania | 19141 | - |
| Kimmel Cancer Center at Thomas Jefferson University - Philadelphia | Philadelphia | Pennsylvania | 19107 | - |
| Allegheny Cancer Center at Allegheny General Hospital | Pittsburgh | Pennsylvania | 15212 | - |
| Cancer Center at St. Clair Memorial Hospital | Pittsburgh | Pennsylvania | 15243 | - |
| Hillman Cancer Center at University of Pittsburgh Cancer Institute | Pittsburgh | Pennsylvania | 15213 | - |
| Mercy Hospital of Pittsburgh | Pittsburgh | Pennsylvania | 15219 | - |
| UPMC - Passavant Hospital | Pittsburgh | Pennsylvania | 15237 | - |
| UPMC - Shadyside | Pittsburgh | Pennsylvania | 15232 | - |
| UPMC Cancer Center at Magee-Womens Hospital | Pittsburgh | Pennsylvania | 15213 | - |
| UPMC Cancer Center at UPMC Presbyterian | Pittsburgh | Pennsylvania | 15213 | - |
| UPMC St. Margaret | Pittsburgh | Pennsylvania | 15215 | - |
| Reading Hospital and Medical Center | West Reading | Pennsylvania | 19612 | - |
| CCOP - MainLine Health | Wynnewood | Pennsylvania | 19096 | - |
| Lankenau Cancer Center at Lankenau Hospital | Wynnewood | Pennsylvania | 19096 | - |
| York Cancer Center at Wellspan Health | York | Pennsylvania | 17405 | - |
| Hollings Cancer Center at Medical University of South Carolina | Charleston | South Carolina | 29425 | - |
| CCOP - Upstate Carolina | Spartanburg | South Carolina | 29304 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Cottonwood Hospital Medical Center | Murray | Utah | 84107 | - |
| McKay-Dee Hospital Center | Ogden | Utah | 84403 | - |
| Utah Valley Regional Medical Center - Provo | Provo | Utah | 84603 | - |
| LDS Hospital | Salt Lake City | Utah | 84143 | - |
| Utah Cancer Specialists at UCS Cancer Center | Salt Lake City | Utah | 84106 | - |
| Dixie Regional Medical Center | St. George | Utah | 84770 | - |
| Green Mountain Oncology Group | Bennington | Vermont | 05201 | - |
| Fletcher Allen Health Care - University Health Center Campus | Burlington | Vermont | 05401 | - |
| Community Cancer Center at Rutland Regional Medical Center | Rutland | Vermont | 05701 | - |
| Massey Cancer Center at Virginia Commonwealth University | Richmond | Virginia | 23298 | - |
| CCOP - Virginia Mason Research Center | Seattle | Washington | 98101 | - |
| Southwest Washington Medical Center Cancer Center | Vancouver | Washington | 98668 | - |
| North Star Lodge Cancer Center | Yakima | Washington | 98902 | - |
| St. Vincent Hospital | Green Bay | Wisconsin | 54301 | - |
| Gundersen Lutheran Cancer Center at Gundersen Lutheran Medical Center | La Crosse | Wisconsin | 54601 | - |
| University of Wisconsin Comprehensive Cancer Center | Madison | Wisconsin | 53792 | - |
| Community Memorial Hospital | Menomonee Falls | Wisconsin | 53051 | - |
| Medical College of Wisconsin Cancer Center | Milwaukee | Wisconsin | 53226 | - |