OLIVER C TSAI M.D.
NPI 1306828272
Internal Medicine - Geriatric Medicine in West Covina, CA

Active since November 16, 2005
1433 W MERCED AVE, SUITE 308, WEST COVINA, CA 91790(626) 962-3584(626) 962-3261 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Oliver C Tsai M.d. NPPES

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

OLIVER C TSAI M.D. (NPI 1306828272) is an individual geriatric medicine provider in West Covina, California, licensed in California (A49033) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1306828272
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameOLIVER C TSAICredential: M.D.
Location Address1433 W MERCED AVE, SUITE 308West Covina, CA 91790-3402
Mailing Address1433 W Merced Ave, Suite 308West Covina, CA 91790-3402 · (626) 962-3584 · Fax (626) 962-3261
Fax(626) 962-3261
Sole ProprietorNo
Enumeration DateNovember 16, 2005
Last NPPES UpdateJuly 8, 2007
NPI 1306828272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in CA · A49033
Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

1433 W MERCED AVE, West Covina, CA 91790

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.

Specialist
1433 W MERCED AVE, SUITE 220
WEST COVINA, CA 91790
Acupuncturist
1433 W MERCED AVE, STE 309
WEST COVINA, CA 91790
Internal Medicine
1433 W MERCED AVE, STE 114-8
WEST COVINA, CA 91790
Surgery
1433 W MERCED AVE, SUITE 206
WEST COVINA, CA 91790
Clinic/Center (Primary Care)
1433 W MERCED AVE, 216
WEST COVINA, CA 91790
Family Medicine
1433 W MERCED AVE, STE 114-8
WEST COVINA, CA 91790
Family Medicine
1433 W MERCED AVE, SUITE 220
WEST COVINA, CA 91790
Surgery
1433 W MERCED AVE, SUITE 206
WEST COVINA, CA 91790

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 Oliver Tsai's NPI number?

The NPI number for Oliver Tsai is 1306828272. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Oliver Tsai located?

Oliver Tsai practices at 1433 W Merced Ave Suite 308, West Covina, CA 91790. The listed phone number is (626) 962-3584.

What is Oliver Tsai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

When was this NPI record last updated?

The NPPES record for Oliver Tsai was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.