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

STEPHEN JUSTIN SIMS, MD

FAMILY PRACTICE

Medical school: STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER

Graduated: 1989

Offers telehealth

NPI: 1568453264

Practice Locations (5)

BASS MEDICAL GROUP

2204 GRANT RD, SUITE 103

MOUNTAIN VIEW, CA 940403877

6509678841

BASS MEDICAL GROUP

525 S DR, SUITE 107

MOUNTAIN VIEW, CA 940404211

6503860386

BASS MEDICAL GROUP

2637 SHADELANDS DR

Walnut Creek, CA 945982512

BASS MEDICAL GROUP

2637 SHADELANDS DR

WALNUT CREEK, CA 945982512

9253784512

BASS MEDICAL GROUP

365 LENNON LN

WALNUT CREEK, CA 945985915

Source: CMS National Downloadable File, September 2026.