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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

REUBEN A CLAY JR. MD
NPI 1477541092
Obstetrics & Gynecology in San Francisco, CA

Active since October 07, 2005
2100 WEBSTER ST, SUITE 319, SAN FRANCISCO, CA 94115(415) 923-3123(415) 923-3132 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Reuben A Clay Jr. Md NPPES

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

REUBEN A CLAY JR. MD (NPI 1477541092) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (G11319) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1477541092
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameREUBEN A CLAY JR.Credential: MD
Location Address2100 WEBSTER ST, SUITE 319San Francisco, CA 94115-2373
Mailing Address2100 Webster St, Suite 319San Francisco, CA 94115-2373 · (415) 923-3123 · Fax (415) 923-3132
Phone(415) 923-3123
Fax(415) 923-3132
Sole ProprietorNo
Enumeration DateOctober 7, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477541092 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 · G11319
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.
2100 WEBSTER ST, San Francisco, CA 94115
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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.

JACK C ROSE
Psychiatry & Neurology (Neurology)
2100 WEBSTER ST, 4TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-5760
RUSSELL D WOO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 WEBSTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3004
DR. STAFFORD J DUHN DDS
Dentist (General Practice)
2100 WEBSTER ST, SUITE 325
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3034
DR. RICKI POLLYCOVE M.D., M.H.S.
Obstetrics & Gynecology (Gynecology)
2100 WEBSTER ST, STE. 508
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3390
OLGA HIDCHENKO NP
Clinical Nurse Specialist (Women's Health)
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3123
DR. DAVID R MINOR MD
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, #326
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-8600
DR. PEDRO JOSE RUIZ M.D., PH.D.
Internal Medicine (Rheumatology)
2100 WEBSTER ST, SUITE 112
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3060
JONATHAN KAPLAN MD INC
Plastic Surgery
2100 WEBSTER ST, SUITE 429
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3005

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Reuben Clay's NPI number?

The NPI number for Reuben Clay is 1477541092. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is Reuben Clay located?

Reuben Clay practices at 2100 Webster St Suite 319, San Francisco, CA 94115. The listed phone number is (415) 923-3123.

What is Reuben Clay's specialty?

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

When was this NPI record last updated?

The NPPES record for Reuben Clay was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.