Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Hsiu-Chaai Mike Chang, DDS

General Practice Dentistry in San Leandro, CA · enumerated 2006.

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

National Provider Identifier

1982791315

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Registry record

Entity type Individual (Type 1)

Name Dr. Hsiu-Chaai Mike Chang

Credential DDS

Sex Male

Practice address 680 Bancroft Ave, San Leandro, CA, 94577

Phone (510) 772-6393

Enumeration date Oct 6, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 45556 (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

Where does Hsiu-Chaai Chang practice?

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

What is the NPI number for Hsiu-Chaai Chang?

The National Provider Identifier (NPI) for Hsiu-Chaai Chang is 1982791315, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.