Long Nguyen, M.D.
Family Medicine Physician · Cass City, MI
Long Nguyen, M.D. is a family medicine physician with a practice address in Cass City, Michigan, and NPI 1700237468, issued on Jun 23, 2016. Check the license (Michigan 4301118887, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Long Nguyen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301118887 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4675 Hill St, Cass City, MI 48726
- Phone
- (989) 872-2121
- Enumerated
- Jun 23, 2016
- Entity
- Type 1 · individual
Also registered at 4675 Hill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karl Buche, PT, DPTPhysical Therapist1851748073
- Elmer Calica, M.D.Emergency Medicine Physician1932392438
- Candelaria Castaneda, MDInternal Medicine Physician1689667354
- Nikki Glaza, MSN, FNP-BCFamily Nurse Practitioner1184381923
- Angela Grass, PHARM. DPharmacist1437562717
- Dana Hart, NP-CFamily Nurse Practitioner1205553633
Verify Long Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine
Search for license 4301118887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
349 Medicare Part D claims for 130 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate17 claims
- Cefdinir14 claims
- Lisinopril13 claims
- Levothyroxine Sodium12 claims
- Omeprazole12 claims
- Pantoprazole Sodium11 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.
3 hospital and facility affiliations
- Deckerville Community Hospital IncDeckerville, MI
- Hills And Dales General Hospital IncCaro, MI
- Marlette Regional HospitalMarlette, MI · Critical Access Hospitals
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 family medicine physician records list a Cass City practice address
They are 3 of the 333 NPPES records with a Cass City practice address, and 5,783 family medicine physician records in Michigan.
All 3 in Cass City → All 5,783 in Michigan → Every provider in Cass City →
Other family medicine physician records in Michigan
- Asma AbbasHamtramck, MI1982946463
- Saadia Abbas, MDChesterfield, MI1619136868
- Faezeh AbbasiMonroe, MI1144065921
- Layla Abbasi, MDWayne, MI1346177607
- Marisa Abbo, DORochester Hills, MI1184605388
- Cathleen Abbott, M.D.East Lansing, MI1275630501
- Leah Abbott, MDGwinn, MI1760987341
- Nina Abboud, DORochester Hills, MI1639750557
- Ryan Abboud, DOBingham Farms, MI1104353077
- Christina Abd, MDSterling Heights, MI1770371965
Common questions
What is Long Nguyen, M.D.'s NPI number?
Long Nguyen, M.D.'s National Provider Identifier (NPI) is 1700237468, issued on Jun 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Long Nguyen, M.D. located?
The NPPES record lists a practice address at 4675 Hill St, Cass City, MI, 48726. Phone: (989) 872-2121. Providers update this record themselves, so call before visiting.
How can I verify Long Nguyen, M.D.'s license?
NPPES lists Michigan license number 4301118887, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Long Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Long Nguyen, M.D. had 349 Medicare Part D claims for 130 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.