Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Wilson S Chen, DO

Pediatrics Physician in Visalia, CA · enumerated 2006.

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

National Provider Identifier

1093871881

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Registry record

Entity type Individual (Type 1)

Name Dr. Wilson S Chen

Credential DO

Sex Male

Practice address 501 N Bridge St, Visalia, CA, 93291

Phone (559) 734-1939

Fax (559) 734-4384

Enumeration date Dec 28, 2006

Last updated in NPPES Dec 16, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 238599 (NY) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 20A9847 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Wilson Chen?

Wilson Chen is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-16.