Definitive Healthcare tracks more than 125,000 physician groups. There are 60,153 total physicians in the 10 biggest physician groups.
Here are the top 10 physician groups, followed by the number of physicians:
Southern California Permanente Medical Group (Pasadena): 11,998
The Permanente Medical Group (Oakland, Calif.): 10,139
HCA Florida Healthcare Physicians (Davie): 7,342
Mayo Clinic Physicians (Rochester, Minn.): 5,375
HealthCare Partners IPA (Garden City, N.Y.): 5,042
Northwell Health Physician Partners (Lake Success, N.Y.): 4,697
Ascension Medical Group (Indianapolis): 4,450
US Anesthesia Partners (Dallas): 3,828
Geisinger Health Physicians (Danville, Pa.): 3,695
Hill Physicians Medical Group (San Ramon, Calif.): 3,587
