NPPES file of Aug 9, 2026

Nghiep Nguyen, M.D.

Family Medicine Physician · Oklahoma City, OK

Nghiep Nguyen, M.D. is a family medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1548647118, issued on May 2, 2015. Check the license (Oklahoma 31383, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1548647118
Name
Nghiep Nguyen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
31383 OK
Self-reported in NPPES; status is on the state search
Practice location
3500 NW 56TH St Ste 100, Oklahoma City, OK 73112
Phone
(405) 951-2855
Enumerated
May 2, 2015
Record last updated
May 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170105000209); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2014
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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8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →

Also registered at 3500 NW 56TH St Ste 100

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

  1. Kristen Buzzard, MDFamily Medicine Physician1972031961
  2. Lauren Hopkins, D.O.Family Medicine Physician1013172683
  3. Robert King, M.D.Family Medicine Physician1801051370
  4. Katherine Mansalis, MDFamily Medicine Physician1255589941
  5. Adam Moran, MDFamily Medicine Physician1851951115
  6. Robert Rhoades, MDFamily Medicine Physician1578122479

Verify Nghiep Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 31383    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 Oklahoma 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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11% fewer Medicare Part D claims than the average family medicine physician in 2024

3,145 Medicare Part D claims for 214 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 72 claims were for opioids.

  1. Nghiep Nguyen3,145
  2. Specialty average3,544

Most prescribed

  1. Prednisone146 claims
  2. Amlodipine Besylate116 claims
  3. Hydrochlorothiazide115 claims
  4. Gabapentin101 claims
  5. Atorvastatin Calcium96 claims
  6. Levothyroxine Sodium95 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.

Bills Medicare through one group practice

  1. Health 1St Family MedicineMidwest City, OK

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

Nghiep Nguyen among 2,303 family medicine physician records in Oklahoma

Nghiep Nguyen, M.D. is one of 2,303 family medicine physician records with a practice address in Oklahoma. 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 2015, is newer than 72% of them.

  • NPI issued2015 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2008 among the 1,407 with a school on file
  • Record last updated2015 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

478 family medicine physician records list a practice address in Oklahoma City

They are 478 of the 22,359 NPPES records with a practice address in Oklahoma City, and 2,303 family medicine physician records in Oklahoma.

All 2,303 in Oklahoma → Every provider in Oklahoma City → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Abdulmawla Albirini, M.D.Oklahoma City, OK 731121760463251
  2. Kerry Cranmer, M.D.Oklahoma City, OK 731121629010517
  3. Manuel Crespo, DOOklahoma City, OK 731121265426241
  4. Rebecca Faulkner, MDOklahoma City, OK 731121154307338
  5. Carl Griffin, M.D.Oklahoma City, OK 731121003813825
  6. Susan Hakel, MDOklahoma City, OK 731121174594550
  7. Stacey Knapp, DOOklahoma City, OK 731121104826569
  8. Gerald Mills, MDOklahoma City, OK 731121841230349

Common questions

What is Nghiep Nguyen, M.D.'s NPI number?

Nghiep Nguyen, M.D.'s National Provider Identifier (NPI) is 1548647118, issued on May 2, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nghiep Nguyen, M.D. located?

The NPPES record lists a practice address at 3500 NW 56TH St Ste 100, Oklahoma City, OK, 73112. Phone: (405) 951-2855. Providers update this record themselves, so call before visiting.

How can I verify Nghiep Nguyen, M.D.'s license?

NPPES lists Oklahoma license number 31383, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nghiep Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Nghiep Nguyen, M.D. had 3,145 Medicare Part D claims for 214 beneficiaries; 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.