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

GREG A BROWN, MD

INTERNAL MEDICINE

Graduated: 1983

Also: ADDICTION MEDICINE

Offers telehealth

NPI: 1720135346

Practice Locations (2)

655 CAMINO DE LOS MARES

SAN CLEMENTE, CA 926732809

655 CAMINO DE LOS MARES, SUITE 124

SAN CLEMENTE, CA 926732809

9496619657

Source: CMS National Downloadable File, September 2026.

GREG BROWN, MD | HealthCareAtlasUSA