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TRI-VALLEY PHYSICIANS
NPI 1215017629
Internal Medicine in Pleasanton, CA

Active since October 17, 2006
5575 W LAS POSITAS BLVD, #130, PLEASANTON, CA 94588(925) 463-0590(925) 463-0708 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Tri-valley Physicians NPPES

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

TRI-VALLEY PHYSICIANS (NPI 1215017629) is a healthcare organization registered as an internal medicine in Pleasanton, California and active in the NPI registry since October 2006. The organization lists John W Yee, President, as its authorized official.

NPPES Registry Identity

NPI1215017629
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTRI-VALLEY PHYSICIANS
Location Address5575 W LAS POSITAS BLVD, #130Pleasanton, CA 94588
Mailing Address5575 W Las Positas Blvd, #130Pleasanton, CA 94588 · (925) 463-0590 · Fax (925) 463-0708
Phone(925) 463-0590
Fax(925) 463-0708
Organization SubpartNo
Authorized OfficialJohn W YeePresident · (925) 463-0590
Enumeration DateOctober 17, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1215017629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X
5575 W LAS POSITAS BLVD, Pleasanton, CA 94588
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Other Identifiers 1

MedicaidGR0098400CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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
DR. GINA MARIE TRENTACOSTI OD
Optometrist
5575 W LAS POSITAS BLVD, #240
PLEASANTON, CA 94588
Alameda County (925) 460-5000
DAVID Z CHEE MD
Internal Medicine
5575 W LAS POSITAS BLVD, #130
PLEASANTON, CA 94588
Alameda County (925) 463-0590

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 Tri-Valley Physicians's NPI number?

The NPI number for Tri-Valley Physicians is 1215017629. It was assigned to this organization in the NPPES registry on October 17, 2006.

Where is Tri-Valley Physicians located?

Tri-Valley Physicians is located at 5575 W Las Positas Blvd #130, Pleasanton, CA 94588. The listed phone number is (925) 463-0590.

What is Tri-Valley Physicians's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Tri-Valley Physicians was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.