WILLIAM H. PHILLIPS, M.D., INC.
NPI 1922283357
Specialist in Pleasanton, CA

Q: What is William H. Phillips, M.D., Inc.'s NPI number?

The NPI number for William H. Phillips, M.D., Inc. is 1922283357. It was assigned to this organization in the NPPES registry on January 3, 2008.

Q: What is William H. Phillips, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Active since January 03, 2008

5575 W LAS POSITAS BLVD, SUITE 330, PLEASANTON, CA 94588(925) 734-6644(925) 734-9294 Get Directions Write a Review

NPPES record last updated: January 3, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About William H. Phillips, M.d., Inc. NPPES

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

WILLIAM H. PHILLIPS, M.D., INC. (NPI 1922283357) is a healthcare organization registered as a specialist in Pleasanton, California and active in the NPI registry since January 2008. The organization lists William H Phillips, Physician, as its authorized official.

NPPES Registry Identity

NPI1922283357

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameWILLIAM H. PHILLIPS, M.D., INC.

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

Mailing Address5575 W Las Positas Blvd, Suite 330Pleasanton, CA 94588-5801 · (925) 734-6644 · Fax (925) 734-9294

Phone(925) 734-6644

Fax(925) 734-9294

Organization SubpartNo

Authorized OfficialWilliam H PhillipsPhysician · (925) 734-6655

Enumeration DateJanuary 3, 2008

✔ NPI 1922283357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · G52644

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

5575 W LAS POSITAS BLVD, Pleasanton, CA 94588

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Other Identifiers 1

Medicare UPINA52308CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 H. Phillips, M.D., Inc.'s NPI number?

The NPI number for William H. Phillips, M.D., Inc. is 1922283357. It was assigned to this organization in the NPPES registry on January 3, 2008.

Where is William H. Phillips, M.D., Inc. located?

William H. Phillips, M.D., Inc. is located at 5575 W Las Positas Blvd Suite 330, Pleasanton, CA 94588. The listed phone number is (925) 734-6644.

What is William H. Phillips, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for William H. Phillips, M.D., Inc. was last updated on January 3, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.