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

MATTHEW C CARNAHAN, MD

OPHTHALMOLOGY

Medical school: R FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL

Graduated: 1998

Offers telehealth

NPI: 1093893760

Practice Locations (3)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

4647 ZION AVE

SAN DIEGO, CA 921202507

6195285000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

400 CRAVEN RD

SAN MARCOS, CA 920784201

6195285000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

780 SHADOWRIDGE DR

VISTA, CA 920837986

6195285000

Source: CMS National Downloadable File, September 2026.