DR. WILLIAM H PHILLIPS M.D.
NPI 1538188198
Obstetrics & Gynecology in Pleasanton, CA

Q: What is William Phillips's NPI number?

The NPI number for William Phillips is 1538188198. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Q: What is William Phillips'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 William Phillips was last updated on July 9, 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 July 18, 2006

5575 W LAS POSITAS BLVD, #330, PLEASANTON, CA 94588(925) 734-6655(925) 734-9294 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. William H Phillips M.d. NPPES

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

DR. WILLIAM H PHILLIPS M.D. (NPI 1538188198) is an individual obstetrics & gynecology provider in Pleasanton, California, licensed in California (A52308) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1538188198

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. WILLIAM H PHILLIPSCredential: M.D.

Location Address5575 W LAS POSITAS BLVD, #330Pleasanton, CA 94588-5801

Mailing Address5575 W Las Positas Blvd, #330Pleasanton, CA 94588-5801 · (925) 734-6655 · Fax (925) 734-9294

Phone(925) 734-6655

Fax(925) 734-9294

Sole ProprietorNo

Enumeration DateJuly 18, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1538188198 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 · A52308

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.

5575 W LAS POSITAS BLVD, Pleasanton, CA 94588

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Other Identifiers 2

Medicare UPINA52308CA

Medicare ID-Type Unspecified00G526440CA · Medicare

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.

MS. ARLENE MELVILLE R.N.N.P.

Nurse Practitioner (Women's Health)

5575 W LAS POSITAS BLVD, #330
PLEASANTON, CA 94588

Alameda County (925) 734-6655

MRS. JULIANA ROSE CINQUE MD

Dermatology

5575 W LAS POSITAS BLVD, 220
PLEASANTON, CA 94588

Alameda County (925) 416-1122

RAKHEE N. SHAH, MD, A MEDICAL CORPORATION

Surgery (Surgical Oncology)

5575 W LAS POSITAS BLVD, 270
PLEASANTON, CA 94588

Alameda County (925) 460-3883

JONATHAN R LIM MD

Family Medicine

5575 W LAS POSITAS BLVD, # 130
PLEASANTON, CA 94588

Alameda County (925) 463-0590

RAMAN NAMBISAN MD

Surgery

5575 W LAS POSITAS BLVD, #270
PLEASANTON, CA 94588

Alameda County (925) 460-3883

DR. MICHAEL RAYMOND GAGNON MD

Ophthalmology

5575 W LAS POSITAS BLVD, SUITE 240
PLEASANTON, CA 94588

Alameda County (925) 460-5000

TRI-VALLEY PHYSICIANS

Internal Medicine

5575 W LAS POSITAS BLVD, #130
PLEASANTON, CA 94588

Alameda County (925) 463-0590

DR. GINA MARIE TRENTACOSTI OD

Optometrist

5575 W LAS POSITAS BLVD, #240
PLEASANTON, CA 94588

Alameda County (925) 460-5000

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 William Phillips's NPI number?

The NPI number for William Phillips is 1538188198. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is William Phillips located?

William Phillips practices at 5575 W Las Positas Blvd #330, Pleasanton, CA 94588. The listed phone number is (925) 734-6655.

What is William Phillips'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 William Phillips was last updated on July 9, 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.