STEVEN J. MASTERS MD
NPI 1437237039
Obstetrics & Gynecology in San Francisco, CA

Q: What is Steven Masters's NPI number?

The NPI number for Steven Masters is 1437237039. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Steven Masters's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Steven Masters was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 01, 2006

2200 OFARRELL ST, SAN FRANCISCO, CA 94115(415) 833-2000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Steven J. Masters Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN J. MASTERS MD (NPI 1437237039) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (G54519) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1437237039

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameSTEVEN J. MASTERSCredential: MD

Location Address2200 OFARRELL STSan Francisco, CA 94115-3357

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262

Phone(415) 833-2000

Sole ProprietorNo

Enumeration DateNovember 1, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1437237039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G54519

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

2200 OFARRELL ST, San Francisco, CA 94115

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Other Identifiers 3

Medicare UPINF25517

Medicaid00G545190CA

Medicare ID-Type Unspecified00G545190

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

APARNA KOTA MD, MPH

Pediatrics