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

MICHAEL T NWYNN, MD

OBSTETRICS/GYNECOLOGY

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1989

Also: UROLOGY

NPI: 1629157367

Practice Locations (2)

COUNTY OF SAN MATEO

22 W 39TH AVE, HOS316MS

SAN MATEO, CA 944034364

COUNTY OF SAN MATEO

222 W 39TH AVE

SAN MATEO, CA 944034364

Source: CMS National Downloadable File, September 2026.

MICHAEL NWYNN, MD | HealthCareAtlasUSA