Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thao Tp Nguyen, DO

Family Medicine Physician in Friendship, WI · enumerated 2006.

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

National Provider Identifier

1689609364

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Registry record

Entity type Individual (Type 1)

Name Thao Tp Nguyen

Credential DO

Sex Female

Practice address 402 W Lake St, Friendship, WI, 53934

Phone (608) 339-3331

Enumeration date Jul 11, 2006

Last updated in NPPES Oct 4, 2021

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License DO25094 (OR) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 62437 (WI) 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
P00458926	Other	OR	RR MEDICARE
275291	Medicaid	OR	-

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

How do I verify Thao Nguyen's NPI record?

Cross-check NPI 1689609364 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689609364 active?

Yes, as of the latest NPPES snapshot, NPI 1689609364 is active (record last updated 2021-10-04).

Other providers at this practice address

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Stephen Paulk Surgery Physician · Friendship, WI NPI 1467446492 Paul Kornaus Family Medicine Physician · Friendship, WI NPI 1689657827 William Borkon Urology Physician · Friendship, WI NPI 1417934605 Phillips Roche A Cri Clinic Pharmacy Inc Community/Retail Pharmacy · Friendship, WI NPI 1841261302 Ramakrishnan Sankaran General Practice Physician · Friendship, WI NPI 1831168848 Rahmatollah Simani General Practice Physician · Friendship, WI NPI 1104895010 Martin Janssen General Practice Physician · Friendship, WI NPI 1417926023 Tamara Daniels Emergency Medicine Physician · Friendship, WI NPI 1164488169

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-04.