NPPES file of Aug 9, 2026

Tuyen D. Nguyen, D.O.

Geriatric Medicine (Family Medicine) Physician · Byron Center, MI

Tuyen D. Nguyen, D.O. is a geriatric medicine (family medicine) physician with a practice address in Byron Center, Michigan, and NPI 1255777397, issued on May 15, 2013. Check the license (Michigan 5101020457, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255777397
Name
Tuyen D. Nguyen
Credential
D.O.
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License numbers
5101020457 MI
BM9528324C166 OH
Self-reported in NPPES; status is on the state search
Practice location
7751 Byron Center Ave SW Ste C, Byron Center, MI 49315
Phone
(616) 267-7668
Enumerated
May 15, 2013
Record last updated
Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170726000817); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7751 Byron Center Ave SW Ste C

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

  1. Katelin Aris, NPGerontology Nurse Practitioner1730748609
  2. Alison Aubry, NPGerontology Nurse Practitioner1538536966
  3. Grayson Baker, NPGerontology Nurse Practitioner1144812561
  4. Michelle Barton, MDInternal Medicine Physician1649765942
  5. Cynthia Betterly, DNPGerontology Nurse Practitioner1508254426
  6. Carly Boss, AGPCNPGerontology Nurse Practitioner1487318606

Verify Tuyen D. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101020457
    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

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

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2.2 times the Medicare Part D claims of the average geriatric medicine (family medicine) physician in 2024

11,638 Medicare Part D claims for 693 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 303 claims were for opioids.

  1. Tuyen Nguyen11,638
  2. Specialty average5,222

Most prescribed

  1. Levothyroxine Sodium574 claims
  2. Atorvastatin Calcium459 claims
  3. Lisinopril409 claims
  4. Eliquis350 claims
  5. Metoprolol Succinate322 claims
  6. Gabapentin313 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 4 group practices

  1. Center For Physical Rehabilitation And Therapy LPGrand Rapids, MI
  2. Center For Physical Rehabilitation IncGrand Rapids, MI
  3. Great Lakes Therapy Housecalls PCTraverse City, MI
  4. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tuyen D. Nguyen among 61 geriatric medicine (family medicine) physician records in Michigan

Tuyen D. Nguyen, D.O. is one of 61 geriatric medicine (family medicine) physician records with a practice address in Michigan. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 82% of them.

  • NPI issued2013 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2013 · median 1997 among the 25 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Michigan

There are 61 geriatric medicine (family medicine) physician records in Michigan.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Mark Bates, M.D.Byron Center, MI 493151245312917
  2. Robert Gunnell, MDGrant, MI 493271225066079
  3. Cynthia Ochs, DOHart, MI 494201811926744
  4. Daniel Smalley, DOLudington, MI 494311982871265
  5. Jay Klein, DOMuskegon, MI 494441184799199
  6. Raymond Tracy, D.O.Walkerville, MI 494591588664064
  7. Gwen Brandt, MDGrand Rapids, MI 495031316093529
  8. Ronald Duemler, MDGrand Rapids, MI 495031679524284

Common questions

What is Tuyen D. Nguyen, D.O.'s NPI number?

Tuyen D. Nguyen, D.O.'s National Provider Identifier (NPI) is 1255777397, issued on May 15, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tuyen D. Nguyen, D.O. located?

The NPPES record lists a practice address at 7751 Byron Center Ave SW Ste C, Byron Center, MI, 49315. Phone: (616) 267-7668. Providers update this record themselves, so call before visiting.

How can I verify Tuyen D. Nguyen, D.O.'s license?

NPPES lists Michigan license number 5101020457, as entered by the provider. 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 Tuyen D. Nguyen, D.O. prescribe under Medicare Part D?

In 2024, Tuyen D. Nguyen, D.O. had 11,638 Medicare Part D claims for 693 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.

What is Tuyen D. Nguyen, D.O.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.