Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Terry Tsang, O.D.

Optometrist in Irvine, CA · enumerated 2007.

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

National Provider Identifier

1982755922

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Registry record

Entity type Individual (Type 1)

Name Terry Tsang

Credential O.D.

Sex Female

Practice address 4950 Barranca Pkwy, Suite 310, Irvine, CA, 92604

Phone (949) 733-1400

Enumeration date Jan 16, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 10789 (CA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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

How do I verify Terry Tsang's NPI record?

Cross-check NPI 1982755922 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1982755922 active?

Yes, as of the latest NPPES snapshot, NPI 1982755922 is active (record last updated 2007-07-08).

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