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

MARILYN MAE MCGOWAN, MD

INTERNAL MEDICINE

Medical school: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2020

Offers telehealth

NPI: 1417586835

Practice Locations (4)

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

862 AEROVISTA PL, SUITE 100

SAN LUIS OBISPO, CA 934018758

8055498023

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

892 AEROVISTA PL, SUITE 240

SAN LUIS OBISPO, CA 934018054

8055418252

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

2020 SANTA MONICA BLVD, SUITE 210

SANTA MONICA, CA 904042139

3104582381

DAVID B. HAMMER

1051 LAS TABLAS RD

TEMPLETON, CA 934655603

Source: CMS National Downloadable File, September 2026.