Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hao Nguyen, MD

Urology Physician in Sacramento, CA · enumerated 2008.

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

National Provider Identifier

1598922254

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Registry record

Entity type Individual (Type 1)

Name Hao Nguyen

Credential MD

Sex Male

Practice address 2315 Stockton Blvd, Room 6309, Sacramento, CA, 95817

Phone (916) 734-2724

Enumeration date May 20, 2008

Last updated in NPPES Mar 30, 2017

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License A105578 (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 specialty is Hao Nguyen?

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

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-30.