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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.

JEFFREY C TSAI M.D.
NPI 1427033638
Specialist in Alhambra, CA

Active since December 09, 2005
1048 S GARFIELD AVE, SUITE 200, ALHAMBRA, CA 91801(626) 281-8288(626) 458-6400 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey C Tsai M.d. NPPES

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

JEFFREY C TSAI M.D. (NPI 1427033638) is an individual specialist in Alhambra, California, licensed in California (A30994) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1427033638
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameJEFFREY C TSAICredential: M.D.
Location Address1048 S GARFIELD AVE, SUITE 200Alhambra, CA 91801-4768
Mailing Address1048 S Garfield Ave, Suite 200Alhambra, CA 91801-4768 · (626) 281-8288 · Fax (626) 458-6400
Phone(626) 281-8288
Fax(626) 458-6400
Sole ProprietorNo
Enumeration DateDecember 9, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1427033638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A30994
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.
1048 S GARFIELD AVE, Alhambra, CA 91801
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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NELSON JAMES OWYOUNG M.D.
Psychiatry & Neurology (Neurology)
1048 S GARFIELD AVE, SUITE 202
ALHAMBRA, CA 91801
Los Angeles County (626) 570-4708
SAN GABRIEL VALLEY UROLOGY GROUP, A MEDICAL CORPORATION
Urology
1048 S GARFIELD AVE, SUITE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 281-8288
MR. JOHN CHAU CHIANG MD
Obstetrics & Gynecology
1048 S GARFIELD AVE, 301
ALHAMBRA, CA 91801
Los Angeles County (626) 282-5153
DR. ELSIE EH-SHE WU M.D.
Obstetrics & Gynecology
1048 S GARFIELD AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 289-1009
DIANNE E WU M D S C A PROFESSIONAL
Plastic Surgery
1048 S GARFIELD AVE, #300
ALHAMBRA, CA 91801
Los Angeles County (626) 458-7564
DIANNE EH-DUAN WU M.D.
Plastic Surgery
1048 S GARFIELD AVE, #300
ALHAMBRA, CA 91801
Los Angeles County (626) 458-7564
NELSON J OWYOUNG, MD
Psychiatry & Neurology (Neurology)
1048 S GARFIELD AVE, SUITE 202
ALHAMBRA, CA 91801
Los Angeles County (626) 487-6395

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 Jeffrey Tsai's NPI number?

The NPI number for Jeffrey Tsai is 1427033638. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Where is Jeffrey Tsai located?

Jeffrey Tsai practices at 1048 S Garfield Ave Suite 200, Alhambra, CA 91801. The listed phone number is (626) 281-8288.

What is Jeffrey Tsai'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 Jeffrey Tsai 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 24 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.