Felix Nguyen, MD
Internal Medicine Physician · Detroit, MI
Felix Nguyen, MD is an internal medicine physician with a practice address in Detroit, Michigan, and NPI 1821659780, issued on Jun 21, 2019. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Felix Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2021018762 MO
2019021915 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2799 W Grand Blvd, Detroit, MI 48202
- Phone
- (313) 916-1601
- Enumerated
- Jun 21, 2019
- Record last updated
- Jun 15, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 2799 W Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Felix Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
111 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Metoprolol Succinate16 claims
- Atorvastatin Calcium13 claims
- Rosuvastatin Calcium13 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.
Industry payments in 2024: $557.67
12 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Felix Nguyen among 5,735 internal medicine physician records in Michigan
Felix Nguyen, MD 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 2019, is newer than 76% of them.
- NPI issued2019 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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).
617 internal medicine physician records list a practice address in Detroit
They are 617 of the 19,832 NPPES records with a practice address in Detroit, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Detroit → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Narjis Kazmi, M.DDetroit, MI 482021588638621
- Imran Khalid, M.D.Detroit, MI 482021578523684
Common questions
What is Felix Nguyen, MD's NPI number?
Felix Nguyen, MD's National Provider Identifier (NPI) is 1821659780, issued on Jun 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Felix Nguyen, MD located?
The NPPES record lists a practice address at 2799 W Grand Blvd, Detroit, MI, 48202. Phone: (313) 916-1601. Providers update this record themselves, so call before visiting.
How can I verify Felix Nguyen, MD'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 Felix Nguyen, MD prescribe under Medicare Part D?
In 2024, Felix Nguyen, MD had 111 Medicare Part D claims for 39 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.