| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | - |
| Arizona Oncology Associates-West Orange Grove | Tucson | Arizona | 85704 | - |
| Sutter Cancer Centers Radiation Oncology Services-Auburn | Auburn | California | 95603 | - |
| Sutter Cancer Centers Radiation Oncology Services-Cameron Park | Cameron Park | California | 95682 | - |
| Mercy San Juan Medical Center | Carmichael | California | 95608 | - |
| City of Hope | Duarte | California | 91010 | - |
| UC San Diego Moores Cancer Center | La Jolla | California | 92093 | - |
| Kaiser Permanente Los Angeles Medical Center | Los Angeles | California | 90027 | - |
| Los Angeles County-USC Medical Center | Los Angeles | California | 90033 | - |
| University of Southern California/Norris Cancer Center | Los Angeles | California | 90033 | - |
| Memorial Medical Center | Modesto | California | 95355 | - |
| Bay Area Tumor Institute CCOP | Oakland | California | 94609 | - |
| Pomona Valley Hospital Medical Center | Pomona | California | 91767 | - |
| Sutter Cancer Centers Radiation Oncology Services-Roseville | Roseville | California | 95661 | - |
| The Permanente Medical Group-Roseville Radiation Oncology | Roseville | California | 95678 | - |
| Mercy General Hospital Radiation Oncology Center | Sacramento | California | 95819 | - |
| Sutter General Hospital | Sacramento | California | 95816 | - |
| University of California at Davis Cancer Center | Sacramento | California | 95817 | - |
| UCSF-Mount Zion | San Francisco | California | 94115 | - |
| Kaiser Permanente Medical Center - Santa Clara | Santa Clara | California | 95051 | - |
| Saint Helena Hospital | St. Helena | California | 94574 | - |
| Stanford University Hospitals and Clinics | Stanford | California | 94305 | - |
| Sutter Cancer Centers Radiation Oncology Services-Vacaville | Vacaville | California | 95687 | - |
| Rocky Mountain Cancer Centers-Aurora | Aurora | Colorado | 80012 | - |
| University of Colorado Cancer Center - Anschutz Cancer Pavilion | Aurora | Colorado | 80045 | - |
| Penrose-Saint Francis Healthcare | Colorado Springs | Colorado | 80907 | - |
| Porter Adventist Hospital | Denver | Colorado | 80210 | - |
| Swedish Medical Center | Englewood | Colorado | 80113 | - |
| Rocky Mountain Cancer Centers-Littleton | Littleton | Colorado | 80120 | - |
| Saint Vincent's Medical Center | Bridgeport | Connecticut | 06606 | - |
| Yale University | New Haven | Connecticut | 06520 | - |
| William Backus Hospital | Norwich | Connecticut | 06360 | - |
| Christiana Care Health System-Christiana Hospital | Newark | Delaware | 19718 | - |
| University of Miami Sylvester Comprehensive Cancer Center at Deerfield Beach | Deerfield Beach | Florida | 33442 | - |
| Mayo Clinic in Florida | Jacksonville | Florida | 32224-9980 | - |
| Baptist Hospital of Miami | Miami | Florida | 33176 | - |
| University of Miami Miller School of Medicine-Sylvester Cancer Center | Miami | Florida | 33136 | - |
| Florida Hospital | Orlando | Florida | 32803 | - |
| UF Cancer Center at Orlando Health | Orlando | Florida | 32806 | - |
| Emory University/Winship Cancer Institute | Atlanta | Georgia | 30322 | - |
| Atlanta VA Medical Center | Decatur | Georgia | 30033 | - |
| Northeast Georgia Medical Center | Gainesville | Georgia | 30501 | - |
| Memorial Health University Medical Center | Savannah | Georgia | 31403 | - |
| Saint Joseph's-Candler Health System | Savannah | Georgia | 31405 | - |
| Queen's Medical Center | Honolulu | Hawaii | 96813 | - |
| The Cancer Center of Hawaii-Liliha | Honolulu | Hawaii | 96817 | - |
| University of Hawaii | Honolulu | Hawaii | 96813 | - |
| Saint Alphonsus Regional Medical Center | Boise | Idaho | 83706 | - |
| John H Stroger Jr Hospital of Cook County | Chicago | Illinois | 60612-3785 | - |
| University of Illinois | Chicago | Illinois | 60612 | - |
| NorthShore University HealthSystem-Evanston Hospital | Evanston | Illinois | 60201 | - |
| Ingalls Memorial Hospital | Harvey | Illinois | 60426 | - |
| Hines Veterans Administration Hospital | Hines | Illinois | 60141 | - |
| Loyola University Medical Center | Maywood | Illinois | 60153 | - |
| Memorial Medical Center | Springfield | Illinois | 62781-0001 | - |
| Saint John's Hospital | Springfield | Illinois | 62702 | - |
| Carle Cancer Center | Urbana | Illinois | 61801 | - |
| Parkview Hospital Randallia | Fort Wayne | Indiana | 46805 | - |
| Radiation Oncology Associates PC | Fort Wayne | Indiana | 46804 | - |
| Community Regional Cancer Care-East Radiation Oncology | Indianapolis | Indiana | 46219 | - |
| Community Regional Cancer Care-North | Indianapolis | Indiana | 46256 | - |
| IU Health Methodist Hospital | Indianapolis | Indiana | 46202 | - |
| IU Health Ball Memorial Hospital | Muncie | Indiana | 47303 | - |
| McFarland Clinic PC-William R Bliss Cancer Center | Ames | Iowa | 50010 | - |
| Iowa Methodist Medical Center | Des Moines | Iowa | 50309 | - |
| Mercy Medical Center - Des Moines | Des Moines | Iowa | 50314 | - |
| University of Iowa Hospitals and Clinics | Iowa City | Iowa | 52242 | - |
| Siouxland Hematology Oncology Associates | Sioux City | Iowa | 51101 | - |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | - |
| University of Kentucky | Lexington | Kentucky | 40536 | - |
| The James Graham Brown Cancer Center at University of Louisville | Louisville | Kentucky | 40202 | - |
| Mary Bird Perkins Cancer Center | Baton Rouge | Louisiana | 70809 | - |
| Touro Infirmary | New Orleans | Louisiana | 70115 | - |
| Tulane University Health Sciences Center | New Orleans | Louisiana | 70112 | - |
| Central Maine Medical Center | Lewiston | Maine | 04240 | - |
| University of Maryland/Greenebaum Cancer Center | Baltimore | Maryland | 21201 | - |
| Peninsula Regional Medical Center | Salisbury | Maryland | 21801 | - |
| Boston Medical Center | Boston | Massachusetts | 02118 | - |
| Tufts Medical Center | Boston | Massachusetts | 02111 | - |
| Lahey Hospital and Medical Center | Burlington | Massachusetts | 01805 | - |
| Saint Joseph Mercy Hospital | Ann Arbor | Michigan | 48106-0995 | - |
| University of Michigan | Ann Arbor | Michigan | 48109 | - |
| Oakwood Hospital | Dearborn | Michigan | 48124 | - |
| Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Saint John Hospital and Medical Center | Detroit | Michigan | 48236 | - |
| Wayne State University/Karmanos Cancer Institute | Detroit | Michigan | 48201 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | - |
| Saint Mary's of Michigan | Saginaw | Michigan | 48601 | - |
| Saint John Macomb-Oakland Hospital | Warren | Michigan | 48093 | - |
| Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| Saint Luke's Hospital of Duluth | Duluth | Minnesota | 55805 | - |
| Unity Hospital | Fridley | Minnesota | 55432 | - |
| Minnesota Oncology Hematology PA-Maplewood | Maplewood | Minnesota | 55109 | - |
| Mayo Clinic | Rochester | Minnesota | 55905 | - |
| Regions Hospital | Saint Paul | Minnesota | 55101 | - |
| University of Mississippi Medical Center | Jackson | Mississippi | 39216 | - |
| Singing River Hospital | Pascagoula | Mississippi | 39581 | - |
| Cape Radiation Oncology | Cape Girardeau | Missouri | 63703 | - |
| Siteman Cancer Center - Saint Peters | City of Saint Peters | Missouri | 63376 | - |
| University of Missouri - Ellis Fischel | Columbia | Missouri | 65212 | - |
| Kansas City Cancer Centers - North | Kansas City | Missouri | 64154 | - |
| Kansas City Cancer Center-Lee's Summit | Lee's Summit | Missouri | 64064 | - |
| CoxHealth South Hospital | Springfield | Missouri | 65807 | - |
| Mercy Hospital Springfield | Springfield | Missouri | 65804 | - |
| Barnes-Jewish West County Hospital | St Louis | Missouri | 63141 | - |
| Missouri Baptist Medical Center | St Louis | Missouri | 63131 | - |
| Saint John's Mercy Medical Center | St Louis | Missouri | 63141 | - |
| Saint Louis University Hospital | St Louis | Missouri | 63110 | - |
| Siteman Cancer Center-South County | St Louis | Missouri | 63129 | - |
| Washington University School of Medicine | St Louis | Missouri | 63110 | - |
| Saint Elizabeth Regional Medical Center | Lincoln | Nebraska | 68510 | - |
| Nebraska Methodist Hospital | Omaha | Nebraska | 68114 | - |
| The Nebraska Medical Center | Omaha | Nebraska | 68198 | - |
| Renown Regional Medical Center | Reno | Nevada | 89502 | - |
| Exeter Hospital | Exeter | New Hampshire | 03833 | - |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| Memorial Sloan Kettering Cancer Center at Basking Ridge | Basking Ridge | New Jersey | 07920 | - |
| Cooper Hospital University Medical Center | Camden | New Jersey | 08103 | - |
| Fox Chase Cancer Center at Virtua Memorial Hospital of Burlington County | Mount Holly | New Jersey | 08060 | - |
| Saint Peter's University Hospital | New Brunswick | New Jersey | 08901 | - |
| UMDNJ - New Jersey Medical School | Newark | New Jersey | 07103 | - |
| Sparta Cancer Treatment Center | Sparta | New Jersey | 07871 | - |
| MD Anderson Cancer Center at Cooper-Voorhees | Voorhees Township | New Jersey | 08043 | - |
| University of New Mexico | Albuquerque | New Mexico | 87106 | - |
| New York Oncology Hematology PC - Albany | Albany | New York | 12206 | - |
| Maimonides Medical Center | Brooklyn | New York | 11219 | - |
| Sands Cancer Center | Canandaigua | New York | 14424 | - |
| Memorial Sloan Kettering Cancer Center Commack | Commack | New York | 11725 | - |
| Beth Israel Medical Center | New York | New York | 10003 | - |
| Memorial Sloan-Kettering Cancer Center | New York | New York | 10065 | - |
| Highland Hospital | Rochester | New York | 14620 | - |
| University of Rochester | Rochester | New York | 14642 | - |
| University Radiation Oncology | Rochester | New York | 14626 | - |
| Memorial Sloan-Kettering Cancer Center Rockville Centre | Rockville Centre | New York | 11570 | - |
| Memorial Sloan-Kettering Cancer Center at Sleepy Hallow | Sleepy Hollow | New York | 10591 | - |
| Mission Hospital-Memorial Campus | Asheville | North Carolina | 28801 | - |
| University of North Carolina | Chapel Hill | North Carolina | 27599 | - |
| Wayne Radiation Oncology | Goldsboro | North Carolina | 27534 | - |
| Kinston Medical Specialists PA | Kinston | North Carolina | 28501 | - |
| Cancer Centers of North Carolina | Raleigh | North Carolina | 27607 | - |
| Wake Forest University Health Sciences | Winston-Salem | North Carolina | 27157 | - |
| Roger Maris Cancer Center | Fargo | North Dakota | 58122 | - |
| Akron General Medical Center | Akron | Ohio | 44307 | - |
| Summa Akron City Hospital/Cooper Cancer Center | Akron | Ohio | 44304 | - |
| Summa Barberton Hospital | Barberton | Ohio | 44203 | - |
| Mercy Medical Center | Canton | Ohio | 44708 | - |
| Geaugra Hospital | Chardon | Ohio | 44024 | - |
| University of Cincinnati | Cincinnati | Ohio | 45267 | - |
| Case Western Reserve University | Cleveland | Ohio | 44106 | - |
| Cleveland Clinic Cancer Center/Fairview Hospital | Cleveland | Ohio | 44111 | - |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | - |
| Ohio State University Medical Center | Columbus | Ohio | 43210 | - |
| Mercy Cancer Center-Elyria | Elyria | Ohio | 44035 | - |
| Cleveland Clinic Cancer Center Independence | Independence | Ohio | 44131 | - |
| Hillcrest Hospital Cancer Center | Mayfield Heights | Ohio | 44124 | - |
| Summa Health Center at Lake Medina | Medina | Ohio | 44256 | - |
| Lake University Ireland Cancer Center | Mentor | Ohio | 44060 | - |
| Southwest General Health Center Ireland Cancer Center | Middleburg Heights | Ohio | 44130 | - |
| UHHS-Chagrin Highlands Medical Center | Orange | Ohio | 44122 | - |
| Saint Charles Hospital | Oregon | Ohio | 43616 | - |
| Robinson Radiation Oncology | Ravenna | Ohio | 44266 | - |
| North Coast Cancer Care | Sandusky | Ohio | 44870 | - |
| Cleveland Clinic Cancer Center-Strongsville | Strongsville | Ohio | 44136 | - |
| Flower Hospital | Sylvania | Ohio | 43560 | - |
| University Pointe | West Chester | Ohio | 45069 | - |
| UHHS-Westlake Medical Center | Westlake | Ohio | 44145 | - |
| Cleveland Clinic Wooster Specialty Center | Wooster | Ohio | 44691 | - |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | - |
| Clackamas Radiation Oncology Center | Clackamas | Oregon | 97015 | - |
| Willamette Valley Cancer Center | Eugene | Oregon | 97401 | - |
| Oregon Health and Science University | Portland | Oregon | 97239 | - |
| Portland Veterans Administration Medical Center | Portland | Oregon | 97239 | - |
| Providence Portland Medical Center | Portland | Oregon | 97213 | - |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | - |
| Western Oncology Research Consortium | Portland | Oregon | 97213 | - |
| Salem Hospital | Salem | Oregon | 97301 | - |
| Lehigh Valley Hospital | Allentown | Pennsylvania | 18105 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822-2001 | - |
| Northeast Radiation Oncology Center | Dunmore | Pennsylvania | 18512 | - |
| Pocono Medical Center | East Stroudsburg | Pennsylvania | 18301 | - |
| Adams Cancer Center | Gettysburg | Pennsylvania | 17325 | - |
| Cherry Tree Cancer Center | Hanover | Pennsylvania | 17331 | - |
| Saint Mary Medical and Regional Cancer Center | Langhorne | Pennsylvania | 19047 | - |
| Albert Einstein Medical Center | Philadelphia | Pennsylvania | 19141 | - |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | - |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | - |
| University of Pennsylvania/Abramson Cancer Center | Philadelphia | Pennsylvania | 19104 | - |
| Reading Hospital | West Reading | Pennsylvania | 19611 | - |
| WellSpan Health-York Hospital | York | Pennsylvania | 17405 | - |
| AnMed Health Cancer Center | Anderson | South Carolina | 29621 | - |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | - |
| Greenville Health System Cancer Institute-Faris | Greenville | South Carolina | 29605 | - |
| Greenville Health System Cancer Institute/Greenville CCOP | Greenville | South Carolina | 29615 | - |
| Gibbs Cancer Center-Pelham | Greer | South Carolina | 29651 | - |
| Greenville Health System Cancer Institute-Spartanburg | Spartanburg | South Carolina | 29307 | - |
| Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Sanford Cancer Center-Oncology Clinic | Sioux Falls | South Dakota | 57104 | - |
| Wellmont Holston Valley Hospital and Medical Center | Kingsport | Tennessee | 37660 | - |
| Vanderbilt-Ingram Cancer Center | Nashville | Tennessee | 37232 | - |
| Texas Oncology - Central Austin Cancer Center | Austin | Texas | 78731 | - |
| Texas Oncology - South Austin Cancer Center | Austin | Texas | 78745 | - |
| Texas Oncology-Austin Midtown | Austin | Texas | 78705 | - |
| Texas Oncology PA - Bedford | Bedford | Texas | 76022 | - |
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | - |
| Texas Oncology-Denton South | Denton | Texas | 76210 | - |
| The Klabzuba Cancer Center | Fort Worth | Texas | 76104 | - |
| Ben Taub General Hospital | Houston | Texas | 77030 | - |
| M D Anderson Cancer Center | Houston | Texas | 77030 | - |
| Memorial Hermann Memorial City Medical Center | Houston | Texas | 77024 | - |
| Texas Oncology - Round Rock Cancer Center | Round Rock | Texas | 78681 | - |
| Texas Oncology-Seton Williamson | Round Rock | Texas | 78665 | - |
| Cancer Care Centers of South Texas- Northeast | San Antonio | Texas | 78217 | - |
| University of Texas Health Science Center at San Antonio | San Antonio | Texas | 78229 | - |
| Texas Cancer Center-Sherman | Sherman | Texas | 75090 | - |
| Texas Oncology Cancer Center Sugar Land | Sugar Land | Texas | 77479 | - |
| Texas Oncology-Wichita Falls Texoma Cancer Center | Wichita Falls | Texas | 76310 | - |
| Intermountain Medical Center | Murray | Utah | 84157 | - |
| Huntsman Cancer Institute/University of Utah | Salt Lake City | Utah | 84112 | - |
| LDS Hospital | Salt Lake City | Utah | 84143 | - |
| Utah Cancer Specialists-Salt Lake City | Salt Lake City | Utah | 84106 | - |
| Dixie Medical Center Regional Cancer Center | St. George | Utah | 84770 | - |
| University of Virginia | Charlottesville | Virginia | 22908 | - |
| Sentara Cancer Institute at Sentara CarePlex Hospital | Hampton | Virginia | 23666 | - |
| Sentara Hospitals | Norfolk | Virginia | 23507 | - |
| Hunter Holmes McGuire Veterans Administration Medical Center | Richmond | Virginia | 23249 | - |
| Virginia Commonwealth University | Richmond | Virginia | 23298 | - |
| Sentara Virginia Beach General Hospital | Virginia Beach | Virginia | 23454 | - |
| Harrison Medical Center | Bremerton | Washington | 98310 | - |
| Tri-Cities Cancer Center | Kennewick | Washington | 99336 | - |
| Skagit Valley Hospital | Mount Vernon | Washington | 98274 | - |
| University of Washington Medical Center | Seattle | Washington | 98195 | - |
| Cancer Care Northwest - Spokane South | Spokane | Washington | 99202 | - |
| Cancer Care Northwest-North Spokane | Spokane | Washington | 99218 | - |
| Northwest CCOP | Tacoma | Washington | 98405 | - |
| Compass Oncology Vancouver | Vancouver | Washington | 98684 | - |
| PeaceHealth Southwest Medical Center | Vancouver | Washington | 98664 | - |
| Wenatchee Valley Medical Center | Wenatchee | Washington | 98801 | - |
| West Virginia University Healthcare | Morgantown | West Virginia | 26506 | - |
| Wheeling Hospital | Wheeling | West Virginia | 26003 | - |
| Langlade Hospital and Cancer Center | Antigo | Wisconsin | 54409 | - |
| Fox Valley Hematology and Oncology | Appleton | Wisconsin | 54911-3496 | - |
| Saint Vincent Hospital | Green Bay | Wisconsin | 54301 | - |
| Gundersen Lutheran | La Crosse | Wisconsin | 54601 | - |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | - |
| Bay Area Medical Center | Marinette | Wisconsin | 54143 | - |
| Clement J. Zablocki VA Medical Center | Milwaukee | Wisconsin | 53295 | - |
| Froedtert and the Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |
| Door County Cancer Center | Sturgeon Bay | Wisconsin | 54235-1495 | - |
| Aspirus Regional Cancer Center | Wausau | Wisconsin | 54401 | - |