Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chih-Hsin C Wen, MD

Urology Physician in Oakland, CA · enumerated 2006.

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

National Provider Identifier

1477517084

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Registry record

Entity type Individual (Type 1)

Name Chih-Hsin C Wen

Credential MD

Sex Male

Practice address 3300 Webster St, 710, Oakland, CA, 94609

Phone (510) 465-5800

Fax (510) 267-1833

Enumeration date Apr 12, 2006

Last updated in NPPES Feb 10, 2025

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 47781 (WI) Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License A95156 (CA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
A95156	Other	CA	MEDICAL LICENSE

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 Chih-Hsin Wen?

The National Provider Identifier (NPI) for Chih-Hsin Wen is 1477517084, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chih-Hsin Wen practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-10.