Oakland, Calif.-based Permanente Medical Groups ranked No. 1 in the nation's 50 largest medical group parents, with over three times the number of unique physicians as the second ranked Veterans Health Administration, according to an annual report published by IQVIA.
The report uses data from OneKey, a database from IQVIA that includes nine million U.S. healthcare professionals and 680,000 organizations.
The report ranked these parent companies by total physician affiliations, unique physicians and medical group count. Total physician affiliations are defined as the number of physician bridges between providers and sites, unique physicians are defined as the number of unique physicians affiliated to an integrated delivery network and medical group count is defined as the number of physicians at the IDN's outpatient center(s), which may be a single specialty or multispecialty business. Imaging centers and surgery centers are not included in this report.
Here are the 50 largest U.S. medical group parents, ranked according to total physician affiliations, unique physicians and medical group count.
No. 1 — Permanente Medical Groups (Oakland, Calif.)
- Total physician affiliations: 19,179
- Unique physicians: 14,757
- Medical group count: 578
No. 2 — Veterans Health Administration (Washington, D.C.)
- Total physician affiliations: 4,909
- Unique physicians: 4,798
- Medical group count: 690
No. 3 — Mayo Clinic (Rochester, Minn.)
- Total physician affiliations: 5,137
- Unique physicians: 4,733
- Medical group count: 128
No. 4 — Ascension Health (St. Louis)
- Total physician affiliations: 5,035
- Unique physicians: 4,218
- Medical group count: 1,136
No. 5 — UC Health (Oakland, Calif.)
- Total physician affiliations: 4,797
- Unique physicians: 4,124
- Medical group count: 397
No. 6 — Fresenius Medical Care Holdings (Waltham, Mass.)
- Total physician affiliations: 5,875
- Unique physicians: 3,229
- Medical group count: 2,479
No. 7 — Providence Saint Joseph Health (Renton, Wash.)
- Total physician affiliations: 3,507
- Unique physicians: 3,054
- Medical group count: 573
No. 8 — DaVita (Denver)
- Total physician affiliations: 3,676
- Unique physicians: 2,737
- Medical group count: 2,813
No. 9 — Trinity Health (Livonia, Mich.)
- Total physician affiliations: 2,864
- Unique physicians: 2,551
- Medical group count: 607
No. 10 — Catholic Health Initiatives (Englewood, Colo.)
- Total physician affiliations: 2,961
- Unique physicians: 2,473
- Medical group count: 766
No. 11 — Sutter Health (Sacramento, Calif.)
- Total physician affiliations: 3,131
- Unique physicians: 2,468
- Medical group count: 436
No. 12 — HCA Healthcare (Nashville, Tenn.)
- Total physician affiliations: 2,838
- Unique physicians: 2,457
- Medical group count: 641
No. 13 — Partners HealthCare System (Boston)
- Total physician affiliations: 2,384
- Unique physicians: 2,178
- Medical group count: 218
No. 14 — UPMC (Pittsburgh)*
- Total physician affiliations: 2,955
- Unique physicians: 2,163
- Medical group count: 642
No. 15 — Carolinas HealthCare System — now Atrium Health (Charlotte, N.C.)
- Total physician affiliations: 2,235
- Unique physicians: 1,885
- Medical group count: 468
No. 16 — Cleveland Clinic
- Total physician affiliations: 1,873
- Unique physicians: 1,656
- Medical group count: 195
No. 17 — Aurora Health Care (Milwaukee)
- Total physician affiliations: 2,245
- Unique physicians: 1,623
- Medical group count: 258
No. 18 — Mercy Health (Chesterfield, Mo.)
- Total physician affiliations: 1,840
- Unique physicians: 1,570
- Medical group count: 515
No. 19 —New York Presbyterian Healthcare System (New York City)
- Total physician affiliations: 1,617
- Unique physicians: 1,506
- Medical group count: 168
No. 20 — NYU Langone Health (New York City)
- Total physician affiliations: 1,743
- Unique physicians: 1,500
- Medical group count: 221
No. 21 — Indiana University Health (Indianapolis)
- Total physician affiliations: 1,671
- Unique physicians: 1,462
- Medical group count: 244
No. 22 — SSM Health (Saint Louis)
- Total physician affiliations: 1,824
- Unique physicians: 1,455
- Medical group count: 274
No. 23 — Penn Medicine (Philadelphia)
- Total physician affiliations: 1,746
- Unique physicians: 1,443
- Medical group count: 210
No. 24 — Advocate Health Care (Downers Grove, Ill.)
- Total physician affiliations: 1,777
- Unique physicians: 1,398
- Medical group count: 284
No. 25 — Baylor Scott & White Health (Dallas)
- Total physician affiliations: 1,596
- Unique physicians: 1,362
- Medical group count: 290
No. 26 — Dignity Health (San Francisco)
- Total physician affiliations: 1,519
- Unique physicians: 1,342
- Medical group count: 396
No. 27 — Northwell Health (New Hyde Park, N.Y.)*
- Total physician affiliations: 1,528
- Unique physicians: 1,337
- Medical group count: 308
No. 28 — Mount Sinai Health System (New York City)
- Total physician affiliations: 1,522
- Unique physicians: 1,326
- Medical group count: 215
No. 29 — Community Health Systems (Franklin, Tenn.)
- Total physician affiliations: 1,497
- Unique physicians: 1,312
- Medical group count: 586
No. 30 — Yale New Haven (Conn.) Health System
- Total physician affiliations: 1,516
- Unique physicians: 1,311
- Medical group count: 202
No. 31 — Emory Healthcare (Atlanta)
- Total physician affiliations: 1,523
- Unique physicians: 1,282
- Medical group count: 119
No. 32 — Stanford (Calif.) Health Care
- Total physician affiliations: 1,403
- Unique physicians: 1,254
- Medical group count: 110
No. 33 — HealthPartners (Minneapolis)
- Total physician affiliations: 1,508
- Unique physicians: 1,254
- Medical group count: 117
No. 34 — Johns Hopkins Health System (Baltimore)
- Total physician affiliations: 1,515
- Unique physicians: 1,251
- Medical group count: 166
No. 35 — Vanderbilt University Medical Center (Nashville, Tenn.)
- Total physician affiliations: 1,655
- Unique physicians: 1,248
- Medical group count: 109
No. 36 — Duke University Health System (Durham, N.C.)
- Total physician affiliations: 1,549
- Unique physicians: 1,229
- Medical group count: 231
No. 37 — Intermountain Healthcare (Salt Lake City)
- Total physician affiliations: 1,452
- Unique physicians: 1,197
- Medical group count: 241
No. 38 — Jefferson Health (Radnor, Pa.)
- Total physician affiliations: 1,372
- Unique physicians: 1,153
- Medical group count: 173
No. 39 — UW Medicine (Seattle)
- Total physician affiliations: 1,459
- Unique physicians: 1,093
- Medical group count: 178
No. 40 — Northwestern Medicine (Chicago)
- Total physician affiliations: 1,370
- Unique physicians: 1,083
- Medical group count: 135
No. 41 — Fairview Health Services (Minneapolis)
- Total physician affiliations: 1,291
- Unique physicians: 1,070
- Medical group count: 139
No. 42 — Novant Health (Winston-Salem, N.C.)
- Total physician affiliations: 1,324
- Unique physicians: 1,063
- Medical group count: 305
No. 43 — Tenet Healthcare (Dallas)
- Total physician affiliations: 1,161
- Unique physicians: 1,052
- Medical group count: 347
No. 44 — Banner Health (Phoenix)
- Total physician affiliations: 1,303
- Unique physicians: 1,043
- Medical group count: 239
No. 45 — University of Michigan Health System (Ann Arbor)
- Total physician affiliations: 1,285
- Unique physicians: 1,039
- Medical group count: 84
No. 46 — Adventist Health System (Altamonte Springs, Fla.)
- Total physician affiliations: 1,180
- Unique physicians: 1,033
- Medical group count: 312
No. 47 — UNC Health Care System (Chapel Hill, N.C.)
- Total physician affiliations: 1,162
- Unique physicians: 1,013
- Medical group count: 211
No. 48 — PeaceHealth (Vancouver, Wash.)
- Total physician affiliations: 1,137
- Unique physicians: 1,006
- Medical group count: 165
No. 49 — Allina Health System (Minneapolis)
- Total physician affiliations: 1,259
- Unique physicians: 999
- Medical group count: 120
No. 50 — Sanford Health (Sioux Falls, S.D.)
- Total physician affiliations: 1,212
- Unique physicians: 964
- Medical group count: 198
To download IQVIA's full report, click here.
*Editor's note: Northwell Health submitted a correction to Becker's on March 12 to reflect that Northwell Health Physician Partners has 3,092 physicians. IQVIA is requesting a physician roster from Northwell. UPMC also submitted a correction to Becker's on March 13 to reflect that UPMC has over 7,000 affiliated physicians, more than 4,000 of which are directly employed by UPMC.