| University of Pittsburgh Physicians | Pittsburgh, PA | 65 |
| Beth Israel Deaconess Medical Center, Inc. | Boston, MA | 46 |
| The University of Iowa | Iowa City, IA | 40 |
| University of Colorado | Boulder, CO | 38 |
| UT Southwestern Medical Center | Dallas, TX | 36 |
| Emory University | Atlanta, GA | 36 |
| Harvard Medical Faculty Physicians At Beth Israel Deaconess Medical Center | Woburn, MA | 35 |
| Brigham and Women's Physicians Organization, Inc | Somerville, MA | 27 |
| University of Washington | Seattle, WA | 27 |
| Massachusetts General Physicians Organization | Somerville, MA | 27 |
| Ellis, Bandt, Birkin, Kollins and Wong, PLLC | Henderson, NV | 27 |
| Mayo Clinic | Rochester, MN | 21 |
| Oregon Health & Science University | Portland, OR | 21 |
| Mori, Bean, and Brooks, Inc. | Miami, FL | 20 |
| University Of Kentucky | Lexington, KY | 20 |
| Rhode Island Medical Imaging, Inc. | Warwick, RI | 20 |
| University of Texas Medical Branch | Galveston, TX | 18 |
| The Children's Hospital of Philadelphia | Philadelphia, PA | 18 |
| The University of Virginia | Charlottesville, VA | 18 |
| University of Alabama Health Services Foundation, PC | Birmingham, AL | 16 |
| UMass Memorial Medical Group, Inc. | Worcester, MA | 16 |
| NYU Grossman School of Medicine | New York, NY | 16 |
| Wake Forest University Baptist Medical Center | Winston Salem, NC | 15 |
| Wake Forest University Health Sciences | Winston-Salem, NC | 15 |
| University of Virginia Health Services Foundation | Charlottesville, VA | 15 |
| University Of North Carolina At Chapel Hill | Chapel Hill, NC | 13 |
| University of Rochester | Rochester, NY | 13 |
| University of Pittsburgh | Pittsburgh, PA | 13 |
| The Nemours Foundation - Nemours Children's Health | Jacksonville, FL | 12 |
| Spectrum Healthcare Partners | South Portland, ME | 12 |
| Memorial Sloan Kettering Cancer Center | New York, NY | 12 |
| Children's Hospital Corporation | Boston, MA | 12 |
| University of Arkansas for Medical Sciences | Little Rock, AR | 12 |
| Jefferson Radiology, P.C. | East Hartford, CT | 11 |
| University Hospitals Medical Group, Inc. | Cleveland, OH | 11 |
| University of Utah | Salt Lake City, UT | 10 |
| Children's National Medical Center | Washington, DC | 10 |
| Columbia University | New York, NY | 10 |
| Geisinger Clinic | Danville, PA | 9 |
| University Radiology Associates, LLP | Syracuse, NY | 9 |
| Cleveland Clinic Foundation | Cleveland, OH | 9 |
| University Of Miami | Miami, FL | 9 |
| Childrens Hospital Radiology Foundation | Boston, MA | 8 |
| The University of Chicago | Chicago, IL | 8 |
| Johns Hopkins University | Baltimore, MD | 8 |
| Trustees Of The University Of Pennsylvania | Philadelphia, PA | 8 |
| Imaging Associates of New Mexico, LLC | El Segundo, CA | 7 |
| Allegheny Clinic | Pittsburgh, PA | 7 |
| University of Minnesota Physicians | Minneapolis, MN | 7 |
| UT Le Bonheur Pediatric Specialists, Inc | Memphis, TN | 7 |
| The University of Texas Health Science Center at Houston | Houston, TX | 7 |
| Rush Medical Group | Chicago, IL | 7 |
| The University of Texas M.D. Anderson Cancer Center | Houston, TX | 7 |
| Radiology Associates of Appleton, S.C. | Appleton, WI | 7 |
| Rush University Medical Center | Chicago, IL | 7 |
| Icahn School of Medicine at Mount Sinai | New York, NY | 6 |
| Radiology Specialists LTD | Las Vegas, NV | 6 |
| Tra-Minw, Ps | Tacoma, WA | 6 |
| Texas Tech University | Lubbock, TX | 6 |
| Banner University Medical Group | Phoenix, AZ | 6 |
| University of Minnesota | Minneapolis, MN | 6 |
| Radiology Associates of North Texas | Fort Worth, TX | 6 |
| West Virginia University Medical Corporation | Morgantown, WV | 6 |
| Yale University | New Haven, CT | 6 |
| Northside Radiology Associates, PC | Atlanta, GA | 6 |
| Indiana University | Indianapolis, IN | 6 |
| Cape Radiology Group P.C. | Cape Girardeau, MO | 6 |
| IU Health Care Associates | Indianapolis, IN | 6 |
| Lambert Radiology Medical Group | Whittier, CA | 5 |
| University of California, San Francisco | San Francisco, CA | 5 |
| VCU Health System Authority | Richmond, VA | 5 |
| Ochsner Clinic Foundation | New Orleans, LA | 5 |
| Christiana Care Health Services, Inc. | Wilmington, DE | 5 |
| Cincinnati Children's Hospital Medical Center | Cincinnati, OH | 5 |
| UPMC Medical Education | Pittsburgh, PA | 5 |
| Thomas Jefferson University Hospital | Philadelphia, PA | 5 |
| Barnes-Jewish Hospital | St. Louis, MO | 5 |
| University of South Florida | Tampa, FL | 5 |
| Texas Children's Physician Group | Houston, TX | 5 |
| The Metrohealth System | Cleveland, OH | 5 |
| Montefiore Medical Center | Bronx, NY | 5 |
| BOR USGA obo Augusta University | Augusta, GA | 5 |
| Great Lakes Medical Imaging, LLC | Williamsville, NY | 5 |
| West Reading Radiology Associates | West Reading, PA | 5 |
| St. Jude Children'S Research Hospital | Memphis, TN | 5 |
| Allen Memorial Hospital Corporation | Waterloo, IA | 5 |
| Medical College of Wisconsin, Inc. | Milwaukee, WI | 4 |
| Baystate Medical Practices, Inc. | Springfield, MA | 4 |
| Radiology Associates of SWLA, Inc. | Alexandria, LA | 4 |
| University of New Mexico | Albuquerque, NM | 4 |
| University Of Florida | Gainesville, FL | 4 |
| H. Lee Moffitt Cancer Center & Research Institute Lifetime Cancer Screening Center, Inc | Tampa, FL | 4 |
| Rutgers, The State University of New Jersey | Newark, NJ | 4 |
| Physician Affiliate Group Of Ny, PC | New York, NY | 4 |
| TidalHealth Specialty Care, LLC | Salisbury, MD | 4 |
| Medical University of South Carolina and Affiliates | Charleston, SC | 4 |
| The University Of Tennessee | Knoxville, TN | 4 |
| Radiology Regional Center, P.A. | Ft. Myers, FL | 4 |
| Massachusetts Eye and Ear Associates | Somerville, MA | 4 |
| Sol Radiology, Inc. | Victorville, CA | 3 |
| Everlight Radiology (USA) LLC | Los Angeles, CA | 3 |
| Lahey Clinic, Inc. | Burlington, MA | 3 |
| The Permanente Medical Group, Inc. | Pleasanton, CA | 3 |
| Red Hills Imaging, LLC | Thomasville, GA | 3 |
| Empire State Radiology PC | Rockville Center, NY | 3 |
| University of Wisconsin System | Madison, WI | 3 |
| Washington University | St. Louis, MO | 3 |
| Universal Radiology Partners of Nevada, LLC | West Palm Beach, FL | 3 |
| Great Lakes Physician Practice, P.C. | Pittsburgh, PA | 3 |
| West Virginia University | Morgantown, WV | 3 |
| MedStar Medical Group II, LLC | Columbia, MD | 3 |
| The Leland Stanford, Jr University | Stanford, CA | 3 |
| MedStar Medical Group Radiology, LLC | Columbia, MD | 3 |
| Radiology Associates of Albuquerque, PA | Albuquerque, NM | 3 |
| SSM Health Care Group | St. Louis, MO | 3 |
| AHS Hospital Corp. | Morristown, NJ | 3 |
| Duke University Health System | Durham, NC | 3 |
| Virginia Mason Medical Center | Seattle, WA | 3 |
| Greensboro Radiology, P.A. | Greensboro, NC | 3 |
| On-Line Radiologiy Medical Group, Inc. | Riverside, CA | 3 |
| University of Michigan | Ann Arbor, MI | 3 |
| Radiology Associates of South Florida | Miami, FL | 3 |
| University Of California, San Diego | La Jolla, CA | 2 |
| The Children's Mercy Hospital | Kansas City, MO | 2 |
| Optum Care, Inc. | Eden Prairie, MN | 2 |
| Franciscan Medical Group | Tacoma, WA | 2 |
| OU Health Partners, Inc. | Oklahoma City, OK | 2 |
| Mercy Diagnostic Imaging, PC | Darby, PA | 2 |
| National Jewish Health | Denver, CO | 2 |
| Associated Medical Professionals of NY, PLLC | Liverpool, NY | 2 |
| MedStar Medical Group II, LLC | Columbia, MD | 2 |
| Thomas Jefferson University | Philadelphia, PA | 2 |
| Mount Auburn Hospital | Cambridge, MA | 2 |
| Wellstar Medical Group, LLC | Marietta, GA | 2 |
| McLaren Medical Group | Flint, MI | 2 |
| Catholic Health System, Inc. | Buffalo, NY | 2 |
| University of Wisconsin Medical Foundation | Middleton, WI | 2 |
| Radiology Consultants Of Little Rock, P.A. | Little Rock, AR | 2 |
| Medical Faculty Associates, Inc. | Washington, DC | 2 |
| Radiology And Imaging Specialists Of Lakeland, P.A. | Lakeland, FL | 2 |
| Premier Imaging, LLC | Danbury, CT | 2 |
| Pratt Radiology Associates, Inc. (TMCPO) | Boston, MA | 2 |
| Radiology Imaging Associates, L.L.C. | Daytona Beach, FL | 2 |
| Freeman Health System | Joplin, MO | 2 |
| Mount Sinai Medical Center of Florida | Miami Beach, FL | 2 |
| Three Rivers Radiology Associates, P.C. | Grants Pass, OR | 2 |
| Louisiana State University and A&M College | Baton Rouge, LA | 2 |
| Newport Harbor Radiology Associates Medical Group, Inc. | Irvine, CA | 2 |
| State University of New York, Upstate Medical University | Syracuse, NY | 2 |
| Winchester Radiologists, P.C. | Winchester, VA | 2 |
| Sheridan Radiology Services of Central FL, Inc. | Nashville, TN | 2 |
| Barbara Ann Karmanos Cancer Institute | Detroit, MI | 2 |
| Lurie Children's Medical Group, Inc. | Chicago, IL | 2 |
| University of Louisville | Louisville, KY | 2 |
| LucidSolutions, Inc. | Columbus, OH | 2 |
| University of Maryland College Park | College Park, MD | 2 |
| Sanford Clinic | Sioux Falls, SD | 2 |
| UT Regional One Physicians, Inc. | Memphis, TN | 2 |
| Northwestern Memorial HealthCare | Chicago, IL | 2 |
| Advanced Radiology and Interventional Associates Inc. | Modesto, CA | 2 |
| California Advanced Imaging Medical Associates, Inc. | San Francisco, CA | 2 |
| Centennial Medical Group, Inc. | Roseburg, OR | 2 |
| Medical Radiology Consultants, LLC | Warner Robins, GA | 2 |
| Northside Radiology Associates, PC | LaGrange, GA | 2 |
| Prenuvo Radiology PA | Redwood City, CA | 1 |
| Avera Health | Sioux Falls, SD | 1 |
| Michigan State University | East Lansing, MI | 1 |
| Vetmed Group LLC | Delray Beach, FL | 1 |
| Bay Area Hospital District | Coos Bay, OR | 1 |
| Mary Hitchcock Memorial Hospital | Lebanon, NH | 1 |
| Regional Health Services, Inc. | Pittsburgh, PA | 1 |
| The Mary Imogene Bassett Hospital | Cooperstown, NY | 1 |
| Memphis Radiological Professional Corporation | Memphis, TN | 1 |
| Aultman Hospital | Canton, OH | 1 |
| Einstein Practice Plan, Inc. | Philadelphia, PA | 1 |
| Fayette Physician Network, Inc. | Uniontown, PA | 1 |
| Bellin Memorial Hospital, Inc. | Green Bay, WI | 1 |
| Ramesh Rani Consulting LLC | Turnersville, NJ | 1 |
| Professional Radiology PLLC | El Paso, TX | 1 |
| Nationwide Children's Hospital | Columbus, OH | 1 |
| VIP Employment, LLC | Scottsdale, AZ | 1 |
| Massachusetts General Hospital | Boston, MA | 1 |
| Phoenix Children's Hospital | Phoenix, AZ | 1 |
| Methodist Associates in Healthcare | Philadelphia, PA | 1 |
| University of Connecticut Health Center | Farmington, CT | 1 |
| High Plains Radiological Association, L.L.P. | Amarillo, TX | 1 |
| Hennepin Healthcare System, Inc. | Minneapolis, MN | 1 |
| Kelsey-Seybold Medical Group, PLLC | Pearland, TX | 1 |
| Radiology Associates, P. A. | Laurel, MS | 1 |
| White Plains Hospital Medical Center | White Plains, NY | 1 |
| Marshfield Clinic | Marshfield, WI | 1 |
| Hospital Physician Services Southeast, Professional Corporation | Knoxville, TN | 1 |
| Columbus Radiology Corporation | Columbus, OH | 1 |
| Penn State Health Community Medical Group, LLC | Hershey, PA | 1 |
| University of Vermont Health Network Medical Group, Inc. | Burlington, VT | 1 |
| Loos, et al Ltd. | Carson City, NV | 1 |
| Tennessee Interventional and Imaging Associates, PLLC | Chattanooga, TN | 1 |
| Mass General Brigham Incorporated | Somerville, MA | 1 |
| Centra Medical Group, LLC | Lynchburg, VA | 1 |
| Ann & Robert H. Lurie Children's Hospital of Chicago | Chicago, IL | 1 |
| Parkersburg Radiology Services Inc | Parkersburg, WV | 1 |
| Penn State Milton S. Hershey Medical Center | Hershey, PA | 1 |
| Medical Imaging Consultants, LLP | Longview, TX | 1 |
| U.S. Department of Veteran Affairs | Nashville, TN | 1 |
| Denver Health and Hospital Authority | Denver, CO | 1 |
| Wichita Radiological Group PA | Wichita, KS | 1 |
| Charleston Area Medical Center, Inc. | Charleston, WV | 1 |
| Radiology Consultants, P.C. | Omaha, NE | 1 |
| Prostate Centers Physician Group-Delaware, LLC | Falls Church, VA | 1 |
| Cleveland Clinic Florida | Weston, FL | 1 |
| Washington Radiologists Medical Group, Inc. | Fremont, CA | 1 |
| University of Louisville Physicians, Inc. | Louisville, KY | 1 |
| Mid-South Imaging & Therapeutics, P.A. | Germantown, TN | 1 |
| Banner Medical Group | Phoenix, AZ | 1 |
| N.W. Indiana Radiology Services, P.C. | Merrillville, IN | 1 |
| Wellstar Medical Group, LLC | Augusta, GA | 1 |
| Stony Brook Radiology, UFPC | Stony Brook, NY | 1 |
| Gundersen Lutheran Administrative Services, Inc. | La Crosse, WI | 1 |
| Professional Radiology, Inc. | Cincinnati, OH | 1 |
| Florida United Radiology, L.C. | Nashville, TN | 1 |
| Lifespan Physician Group Inc. | Providence, RI | 1 |
| Baylor College of Medicine | Houston, TX | 1 |
| Northwestern Medical Faculty Foundation | Chicago, IL | 1 |
| USA Vein Clinics of New Orleans, LLC | Northbrook, IL | 1 |
| Associates in Radiology of Plattsburgh | Plattsburgh, | 1 |
| Specialists In Medical Imaging | Peoria, | 1 |
| Henry Ford Health System | Detroit, MI | 1 |
| Singleton Associates, PA | El Segundo, CA | 1 |
| Roswell Park Cancer Institute | Buffalo, NY | 1 |
| Augusta Medical Group | Fishersville, VA | 1 |
| Rhode Island Hospital | Providence, RI | 1 |
| Commonwealth Radiology Associates, Inc | Andover, MA | 1 |
| Advanced Berkshire Medical Imaging | Pittsfield, MA | 1 |
| Rockford Radiology Associates, P.C. | Rockford, IL | 1 |
| UNMC Physicians | Omaha, NE | 1 |
| Imaging Associates of Michigan, PLLC | Marquette, MI | 1 |
| Carilion Medical Center | Roanoke, VA | 1 |
| Jamestown Radiologists, P.C. | Jamestown, NY | 1 |
| Greator Missouri Imaging Associates LLC | Branson, MO | 1 |
| Medical Faculty Associates, Inc. | District of Columbia, WA | 1 |
| MedStar Georgetown Medical Center, Inc. | Baltimore, MD | 1 |
| Faculty Physicians & Surgeons of LLUSM | Loma Linda, CA | 1 |
| Houston Radiology Associated | Houston, TX | 1 |
| Crouse Radiology Associates, LLP | East Syracuse, NY | 1 |
| Memorial Hermann Health System | Houston, TX | 1 |
| First Meridian Medical, LLC dba MRI & CT Diagnostics | Chesapeake, VA | 1 |
| Specialist in Medical Imaging, S.C. | Peoria, IL | 1 |
| Good Samaritan Hospital | Vincennes, IN | 1 |
| Singleton Associates, P.A. d/b/a RP Brazosport | Lake Jackson, TX | 1 |
| Lester E. Cox Medical Centers | Springfield, MO | 1 |
| Monmouth Medical Center Faculty Practice Plan Inc. | Long Branch, NJ | 1 |
| Radiology Associates of Main Street PC | Flushing, NY | 1 |
| New York City Health and Hospitals Corporation | New York, NY | 1 |
| Wenatchee Valley Medical Group, PS | Wenatchee, WA | 1 |
| St. Luke's Hospital of Duluth | Duluth, MN | 1 |
| Associates in Radiology of Plattsburgh | Plattsburgh, NY | 1 |
| Associated in Radiology of Plattsburgh | Plattsburgh, NY | 1 |
| University of Chicago Medical Center | Chicago, IL | 1 |
| Northside Radiology Associates, PC | Sandy Springs, GA | 1 |
| University of Massachusetts Chan Medical School | Shrewsbury, MA | 1 |
| Jefferson Radiology, P.C. | Greensboro, NC | 1 |
| Grace Clinic of Lubbock | Lubbock, TX | 1 |
| Southern Indiana Radiological Associates, Inc. | Bloomington, IN | 1 |