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DR. STEPHEN TSAI
NPI 1891997581
Acupuncturist in Fullerton, CA

Active since June 04, 2007
340 E COMMONWEALTH AVE, FULLERTON, CA 92832(714) 871-7118 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen Tsai NPPES

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

DR. STEPHEN TSAI (NPI 1891997581) is an individual acupuncturist in Fullerton, California, licensed in California (AC3694) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1891997581
Entity TypeIndividualMale
Primary Taxonomy171100000X
Provider Legal NameDR. STEPHEN TSAI
Location Address340 E COMMONWEALTH AVEFullerton, CA 92832-2017
Mailing Address340 E Commonwealth AveFullerton, CA 92832-2017 · (714) 871-7118
Phone(714) 871-7118
Sole ProprietorYes
Enumeration DateJune 4, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1891997581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAcupuncturistOther Service Providers
Taxonomy Code171100000X
License✔ Licensed in CA · AC3694
Definition
An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.
340 E COMMONWEALTH AVE, Fullerton, CA 92832
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES 4

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

DR. DAVID BRIAN KARABA O.M.D., M.S., L.AC.
Acupuncturist
340 E COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 871-7118
EAST WEST MEDICAL CLINIC
Acupuncturist
340 E COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 871-7118
AT HOME DIALYSIS, LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
340 E COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (657) 500-8147
EAST WEST MEDICAL INC.
Family Medicine
340 E COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 871-7118

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 Stephen Tsai's NPI number?

The NPI number for Stephen Tsai is 1891997581. It was assigned to this individual provider in the NPPES registry on June 4, 2007.

Where is Stephen Tsai located?

Stephen Tsai practices at 340 E Commonwealth Ave, Fullerton, CA 92832. The listed phone number is (714) 871-7118.

What is Stephen Tsai's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

What insurance does Stephen Tsai accept?

Health plans from Providence Health Plan list Stephen Tsai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephen Tsai was last updated on July 8, 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.