Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Hsiu-Chin Tsai, D.D.S.

Prosthodontics in Diamond Bar, CA · enumerated 2007 · practices at Tsai & Tang Professional Dental Corporation.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1679691984

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Hsiu-Chin Tsai

Credential D.D.S.

Sex Female

Practice address 824 N Diamond Bar Blvd, Diamond Bar, CA, 91765

Phone (909) 612-4666

Fax (909) 612-4676

Enumeration date Mar 26, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223P0700X Prosthodontics Dental Providers · License 43503 (CA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Hsiu-Chin Tsai?

The National Provider Identifier (NPI) for Hsiu-Chin Tsai is 1679691984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hsiu-Chin Tsai practice?

The practice location on file with NPPES is in Diamond Bar, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Tsai & Tang Professional Dental Corporation Prosthodontics · Diamond Bar, CA NPI 1295836682 Hong-Ming Tang Endodontics · Diamond Bar, CA NPI 1083732382

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.