There are 1,3000 active anesthesiology physician group practices in the U.S., according to December 2025 data from Definitive Healthcare.Here is a look inside the five largest physician group practices by number of anesthesiologists:1. Northwell Health Physician Partners:Number of anesthesiologists: 6,198Headquarters: New Hyde Park, N.Y.Leadership: John D’Angelo, MD. CEO and President. 2. US Anesthesia PartnersNumber of […]
