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

ROBERT JOHNSTON, MD

OBSTETRICS/GYNECOLOGY

Medical school: UNIVERSITY OF VERMONT COLLEGE OF MEDICINE

Graduated: 2011

NPI: 1003194853

Practice Locations (2)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

4647 ZION AVE

SAN DIEGO, CA 921202507

6195285000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

9455 CLAIREMONT MESA BLVD

SAN DIEGO, CA 921231297

8585731504

Source: CMS National Downloadable File, September 2026.

ROBERT JOHNSTON, MD | HealthCareAtlasUSA