MR. TAI-CHUN TSAI L.AC
NPI 1942604574
Acupuncturist in Ontario, CA

Q: What is Tai-chun Tsai's NPI number?

The NPI number for Tai-chun Tsai is 1942604574. It was assigned to this individual provider in the NPPES registry on October 10, 2014.

Q: What is Tai-chun Tsai's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tai-chun Tsai was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since October 10, 2014

2131 S GROVE AVE STE C, ONTARIO, CA 91761(650) 773-2756 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 27, 2026, Jul 25, 2019 (2 updates tracked since 2019).

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About Mr. Tai-chun Tsai L.ac NPPES

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

MR. TAI-CHUN TSAI L.AC (NPI 1942604574) is an individual acupuncturist in Ontario, California, licensed in California (16304) and active in the NPI registry since October 2014.

NPPES Registry Identity

NPI1942604574

Entity TypeIndividualMale

Primary Taxonomy171100000X

Provider Legal NameMR. TAI-CHUN TSAICredential: L.AC

Location Address2131 S GROVE AVE STE COntario, CA 91761-5697

Mailing Address2671 E Penelope LnOntario, CA 91762-7394 · (714) 266-9663

Phone(650) 773-2756

Sole ProprietorNo

Enumeration DateOctober 10, 2014

Last NPPES UpdateMay 27, 20262 updates tracked since enumeration

NPPES CertifiedMay 27, 2026

✔ NPI 1942604574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAcupuncturistOther Service Providers

Taxonomy Code171100000X

License✔ Licensed in CA · 16304

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.

2131 S GROVE AVE STE C, Ontario, CA 91761

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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

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

ERIC TSAI ACUPUNCTURE & HERBS, PROFESSIONAL CORPORATION

Acupuncturist

2131 S GROVE AVE STE C
ONTARIO, CA 91761

San Bernardino County (650) 773-2756

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 Tai-chun Tsai's NPI number?

The NPI number for Tai-chun Tsai is 1942604574. It was assigned to this individual provider in the NPPES registry on October 10, 2014.

Where is Tai-chun Tsai located?

Tai-chun Tsai practices at 2131 S Grove Ave Ste C, Ontario, CA 91761. The listed phone number is (650) 773-2756.

What is Tai-chun Tsai's specialty?

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

What insurance does Tai-chun Tsai accept?

Health plans from Providence Health Plan list Tai-chun 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 Tai-chun Tsai was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.