NPPES file of Aug 9, 2026

Tho T K Nguyen, DO

Internal Medicine Physician · Saint Joseph, MI

Tho T K Nguyen, DO is an internal medicine physician with a practice address in Saint Joseph, Michigan, and NPI 1972298677, issued on Apr 7, 2023. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972298677
Name
Tho T K Nguyen
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1234 Napier Ave, Saint Joseph, MI 49085
Phone
(269) 982-4941
Enumerated
Apr 7, 2023
Record last updated
Apr 7, 2023
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.
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Also registered at 1234 Napier Ave

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

  1. Erik Achramowicz, D.O.Emergency Medicine Physician1598027245
  2. Scott Achramowicz, PAPhysician Assistant1295244630
  3. Joseph Aderemi, MDPsychiatry Physician1831726546
  4. Kristina Aleksoniene, MDInfectious Disease Physician1659545002
  5. Sydney Alexander, DOFamily Medicine Physician1144952698
  6. Robert Allen, MDCritical Care Medicine (Internal Medicine) Physician1073540647

Verify Tho T K Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)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 Michigan license search

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

230 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Tho Nguyen230
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate27 claims
  2. Irbesartan14 claims
  3. Fluoxetine Hcl12 claims

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.

Tho T K Nguyen among 5,735 internal medicine physician records in Michigan

Tho T K Nguyen, DO is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 90% of them.

  • NPI issued2023 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

49 internal medicine physician records list a practice address in Saint Joseph

They are 49 of the 1,038 NPPES records with a practice address in Saint Joseph, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kathleen Andries, MDSt Joseph, MI 490851588623276
  2. Sharon Deskins, M.D.Saint Joseph, MI 490851275592537
  3. Samraja Emerson, MDSaint Joseph, MI 490851235165093
  4. John Froggatt, MDSaint Joseph, MI 490851588691091
  5. John Gosling, MDSaint Joseph, MI 490851851387302
  6. Ewanah Johnson, MDSaint Joseph, MI 490851841282456
  7. Hany Mesiha, MDSaint Joseph, MI 490851003034455
  8. Sherrell O'Donnell, D.O.Saint Joseph, MI 490851699771725

Common questions

What is Tho T K Nguyen, DO's NPI number?

Tho T K Nguyen, DO's National Provider Identifier (NPI) is 1972298677, issued on Apr 7, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Tho T K Nguyen, DO located?

The NPPES record lists a practice address at 1234 Napier Ave, Saint Joseph, MI, 49085. Phone: (269) 982-4941. Providers update this record themselves, so call before visiting.

How can I verify Tho T K Nguyen, DO's license?

Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tho T K Nguyen, DO prescribe under Medicare Part D?

In 2024, Tho T K Nguyen, DO had 230 Medicare Part D claims for 60 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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 only as counts) 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 9, 2026.