HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

GREGORY JASON LAM, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated: 2016

Offers telehealth

NPI: 1871955922

Practice Locations (1)

REGENTS OF THE UNIVERSITY OF CALIFORNIA

101 THE CITY DR S

ORANGE, CA 928683201

7144567002

Source: CMS National Downloadable File, September 2026.