Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Catherine Wang, M.D.

Family Medicine Physician in Concord, CA · enumerated 2006.

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

National Provider Identifier

1336219468

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Registry record

Entity type Individual (Type 1)

Name Mrs. Catherine Wang

Credential M.D.

Sex Female

Practice address 2001 Diamond Blvd # C-100, Concord, CA, 94520

Phone (415) 291-0480

Fax (415) 252-7176

Enumeration date Nov 8, 2006

Last updated in NPPES Mar 14, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A72030 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Catherine Wang?

The National Provider Identifier (NPI) for Catherine Wang is 1336219468, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Wang practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-14.