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

JOHN J RYU, MD

ANESTHESIOLOGY

Medical school: VANDERBILT UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1991

NPI: 1497783021

Practice Locations (2)

G2 ANESTHESIA PC

2425 SAMARITAN DR

SAN JOSE, CA 951243908

4085592011

CEP AMERICA - ANESTHESIA PC

2405 SHADELANDS DR, SUITE 200

WALNUT CREEK, CA 945985916

9259356700

Source: CMS National Downloadable File, September 2026.

JOHN RYU, MD | HealthCareAtlasUSA