Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Bao-Dan Tran Nguyen, DO

Family Medicine Physician in Downingtown, PA · enumerated 2006.

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

National Provider Identifier

1851355598

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Registry record

Entity type Individual (Type 1)

Name Bao-Dan Tran Nguyen

Credential DO

Sex Female

Practice address 101 Manor Avenue, Downingtown, PA, 19335

Phone (610) 269-7656

Fax (610) 594-2625

Enumeration date Apr 12, 2006

Last updated in NPPES Jan 13, 2011

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License OS013651 (PA) 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

Other identifiers

Identifier	Type	State	Issuer
102221827	Medicaid	PA	-

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 Bao-Dan Nguyen's NPI record?

Cross-check NPI 1851355598 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1851355598 active?

Yes, as of the latest NPPES snapshot, NPI 1851355598 is active (record last updated 2011-01-13).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-13.