Registry data as of Aug 27, 2026

Thao Nguyen, DO

Family Medicine Physician · Friendship, WI

Thao Nguyen, DO is a family medicine physician with a practice address in Friendship, Wisconsin, and NPI 1689609364, issued on Jul 11, 2006. Check the license (Wisconsin 62437, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689609364
Name
Thao Nguyen
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
62437 WI
DO25094 OR
Self-reported in NPPES; status is on the state search
Practice location
402 W Lake St, Friendship, WI 53934
Phone
(608) 339-3331
Enumerated
Jul 11, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 402 W Lake St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Virginia Batie, APRN- FNP-CFamily Nurse Practitioner1104374867
  2. William Borkon, MDUrology Physician1417934605
  3. Tamara Daniels, M.D.Emergency Medicine Physician1164488169
  4. Steven Dankle, MDOtolaryngology Physician1811908387
  5. Robert Docherty, RNFamily Nurse Practitioner1093339541
  6. Alicia-Maria Fernandez, D.O.Internal Medicine Physician1407043458

Verify Thao Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 62437
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

100% fewer Medicare Part D claims than the average family medicine physician in 2024

16 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Thao Nguyen16
  2. Specialty average3,544

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $99.99

1 payment, mostly education; the largest payer was Janssen Biotech, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thao Nguyen$99.99
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

5 family medicine physician records list a practice address in Friendship

They are 5 of the 67 NPPES records with a practice address in Friendship, and 3,765 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ashraf AbbasAppleton, WI1558723775
  2. Ghudran Abdulal, MDNew Berlin, WI1083622666
  3. Yusuf Abdullah, DOSun Prairie, WI1437788478
  4. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  5. Emily Abeyta, MDWaukesha, WI1386905107
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Thao Nguyen, DO's NPI number?

Thao Nguyen, DO's National Provider Identifier (NPI) is 1689609364, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thao Nguyen, DO located?

The NPPES record lists a practice address at 402 W Lake St, Friendship, WI, 53934. Phone: (608) 339-3331. Providers update this record themselves, so call before visiting.

How can I verify Thao Nguyen, DO's license?

NPPES lists Wisconsin license number 62437, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thao Nguyen, DO prescribe under Medicare Part D?

In 2024, Thao Nguyen, DO had 16 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.