Group Practices

85,681 group practices in directory · updated 2026-06-03

Group practice data is aggregated from CMS public files for educational reference. Pattern signals and scores do not establish wrongdoing and are not legal or compliance advice. Full disclaimer

Showing 1–60 of 85,681 · page 1 of 1429

• SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP
  12,083 providers· CA
  Multiple elevated patterns(60)
• PERMANENTE MEDICAL GROUP INC
  11,792 providers· CA
  Elevated pattern(35)
• CLEVELAND CLINIC
  7,455 providers· 3 states
  Elevated pattern(40)
• NORTH SHORE-LIJ MEDICAL PC
  6,743 providers· 16 states
  Multiple elevated patterns(75)
• NEW YORK UNIVERSITY
  6,053 providers· 16 states
  Multiple elevated patterns(50)
• MAYO CLINIC
  5,124 providers· 5 states
  Multiple elevated patterns(50)
• UNIVERSITY OF PITTSBURGH PHYSICIANS
  4,883 providers· 4 states
  Multiple elevated patterns(75)
• NORTHWESTERN MEDICAL FACULTY FOUNDATION
  4,438 providers· 4 states
  Multiple elevated patterns(50)
• IHC HEALTH SERVICES INC
  4,128 providers· 4 states
  Multiple elevated patterns(50)
• SUTTER BAY MEDICAL FOUNDATION
  3,991 providers· 7 states
  Multiple elevated patterns(50)
• ALLINA HEALTH SYSTEM
  3,898 providers· 6 states
  Multiple elevated patterns(50)
• AURORA MEDICAL GROUP, INC.
  3,870 providers· 4 states
  Multiple elevated patterns(50)
• REGENTS OF THE UNIVERSITY OF MICHIGAN
  3,837 providers· 10 states
  Elevated pattern(40)
• THE ASSOCIATION OF UNIVERSITY PHYSICIANS
  3,831 providers· 4 states
  Multiple elevated patterns(50)
• UNIVERSITY OF PENN-MEDICAL GROUP
  3,648 providers· 4 states
  Multiple elevated patterns(50)
• MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
  3,598 providers· 7 states
  Multiple elevated patterns(50)
• UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS
  3,487 providers· 2 states
  Multiple elevated patterns(60)
• VANDERBILT UNIVERSITY MEDICAL CENTER
  3,476 providers· 13 states
  Multiple elevated patterns(50)
• ENDEAVOR HEALTH MEDICAL GROUP
  3,475 providers· 5 states
  Multiple elevated patterns(50)
• UNIVERSITY PHYSICIANS INCORPORATED
  3,369 providers· 13 states
  Multiple elevated patterns(50)
• WELLSTAR MEDICAL GROUP LLC
  3,227 providers· 3 states
  Multiple elevated patterns(50)
• ADVOCATE HEALTH AND HOSPITALS CORPORATION
  3,179 providers· IL
  Elevated pattern(35)
• GEISINGER CLINIC
  3,147 providers· 29 states
  Multiple elevated patterns(50)
• WASHINGTON UNIVERSITY
  3,141 providers· 9 states
  Multiple elevated patterns(50)
• JOHNS HOPKINS UNIVERSITY
  3,135 providers· 8 states
  Multiple elevated patterns(65)
• BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC
  3,093 providers· 6 states
  Multiple elevated patterns(50)
• STANFORD HEALTH CARE
  3,090 providers· 6 states
  Multiple elevated patterns(50)
• THE EMORY CLINIC INC
  3,042 providers· 4 states
  Multiple elevated patterns(50)
• MEDSTAR MEDICAL GROUP II LLC
  3,014 providers· 11 states
  Multiple elevated patterns(50)
• PHYSICIANS REFERRAL SERVICE
  2,934 providers· 2 states
  Elevated pattern(35)
• UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC
  2,913 providers· 3 states
  Multiple elevated patterns(75)
• DUKE HEALTH INTEGRATED PRACTICE INC
  2,903 providers· 6 states
  Multiple elevated patterns(50)
• LEGACY HEALTHCARE SERVICES INC
  2,899 providers· 24 states
  Multiple elevated patterns(50)
• SCOTT AND WHITE CLINIC
  2,859 providers· 5 states
  Elevated pattern(40)
• OCHSNER CLINIC LLC
  2,850 providers· 3 states
  Elevated pattern(40)
• ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
  2,844 providers· 4 states
  Multiple elevated patterns(50)
• WAKE FOREST UNIVERSITY HEALTH SCIENCES
  2,839 providers· NC
  Elevated pattern(35)
• MONTEFIORE MEDICAL CENTER
  2,833 providers· 4 states
  Multiple elevated patterns(50)
• YALE UNIVERSITY
  2,817 providers· 2 states
  Elevated pattern(35)
• UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC
  2,739 providers· 3 states
  Multiple elevated patterns(50)
• U S ANESTHESIA PARTNERS OF TEXAS, PA
  2,733 providers· TX
  Elevated pattern(25)
• MAINEHEALTH
  2,657 providers· ME
  Elevated pattern(35)
• PRISMA HEALTH UNIVERSITY MEDICAL GROUP
  2,654 providers· 2 states
  Elevated pattern(25)
• SUTTER VALLEY MEDICAL FOUNDATION
  2,584 providers· 18 states
  Multiple elevated patterns(75)
• IU HEALTH MEDICAL GROUP LLC
  2,571 providers· 8 states
  Elevated pattern(40)
• UNIVERSITY OF MIAMI
  2,528 providers· 6 states
  Multiple elevated patterns(50)
• HENRY FORD HEALTH SYSTEM
  2,511 providers· 2 states
  Elevated pattern(25)
• HEALTHTEXAS PROVIDER NETWORK
  2,471 providers· 4 states
  Multiple elevated patterns(50)
• UMASS MEMORIAL MEDICAL GROUP INC
  2,456 providers· 4 states
  Elevated pattern(40)
• MULTICARE HEALTH SYSTEM
  2,454 providers· 3 states
  Multiple elevated patterns(75)
• ALLEGHENY CLINIC
  2,434 providers· 2 states
  Multiple elevated patterns(60)
• LEHIGH VALLEY PHYSICIAN GROUP
  2,414 providers· 3 states
  Elevated pattern(40)
• NOVANT HEALTH MEDICAL GROUP, LLC
  2,411 providers· 3 states
  Multiple elevated patterns(50)
• BAPTIST HEALTH MEDICAL GROUP INC
  2,392 providers· 4 states
  Multiple elevated patterns(50)
• TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
  2,389 providers· NY
  Elevated pattern(35)
• ATHLETICO LTD
  2,360 providers· 17 states
  Multiple elevated patterns(50)
• FLORIDA CLINICAL PRACTICE ASSOCIATION INC
  2,344 providers· 4 states
  Multiple elevated patterns(50)
• SPECTRUM HEALTH PRIMARY CARE PARTNERS
  2,338 providers· 2 states
  Elevated pattern(35)
• THE MEDICAL COLLEGE OF WISCONSIN INC
  2,321 providers· 4 states
  Multiple elevated patterns(50)
• OHIOHEALTH CORPORATION
  2,317 providers· 2 states
  Elevated pattern(25)