NPPES file of Aug 9, 2026

Chris Nguyen

Internal Medicine Physician · Oklahoma City, OK

Chris Nguyen is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1124478516, issued on Jun 16, 2016. Check the license (Oklahoma 6714, 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
1124478516
Name
Chris Nguyen
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
6714 OK
Self-reported in NPPES; status is on the state search
Practice location
3300 NW Expressway, Oklahoma City, OK 73112
Phone
(405) 713-7403
Enumerated
Jun 16, 2016
Record last updated
Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(405) 713-2794
Medicare enrollment
Enrolled (PECOS I20190918001740); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 2016
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.
Download card Updates feed

Also registered at 3300 NW Expressway

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

  1. Kelli Ables, OTR/LOccupational Therapist1902495062
  2. Manoj Abraham, DOPediatrics Physician1457841223
  3. Rebekah Adams, PAPhysician Assistant1851005508
  4. Comfort Adeyemi, APRNAdult Health Clinical Nurse Specialist1720597974
  5. Laura Adhikari, MDAnatomic Pathology & Clinical Pathology Physician1780848697
  6. Mark Aittaniemi, M.D.Anesthesiology Physician1346468790

Verify Chris 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 6714
    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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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

296 Medicare Part D claims for 125 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Chris Nguyen296
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium27 claims
  2. Prednisone24 claims
  3. Levofloxacin18 claims
  4. Atorvastatin 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.

Bills Medicare through 3 group practices

  1. Ihc Health Services IncSt George, UT
  2. Transitional Care Organization LLCOklahoma City, OK
  3. Usacs Observation Medicine Services OF Oklahoma, LLCTulsa, OK

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

Chris Nguyen among 1,115 internal medicine physician records in Oklahoma

Chris Nguyen is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 68% of them.

  • NPI issued2016 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2016 · median 2007 among the 653 with a school on file
  • Record last updated2019 · 56% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

418 internal medicine physician records list a practice address in Oklahoma City

They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jack Butler, DOOklahoma City, OK 731121316925449
  2. Shabbir Chaudhry Inc, M.D.Oklahoma City, OK 731121487613865
  3. Darlene Foster, MDOklahoma City, OK 731121194717132
  4. Erin Glasgow, MDOklahoma City, OK 731121780621136
  5. Allen Hamaker, MDOkc, OK 731121326028663
  6. Kristopher Lepere, D.O.Oklahoma City, OK 731121568461317
  7. Long Nguyen, M.D.Oklahoma City, OK 731121811956006
  8. Neena Philip, MDOklahoma City, OK 731121346244365

Common questions

What is Chris Nguyen's NPI number?

Chris Nguyen's National Provider Identifier (NPI) is 1124478516, issued on Jun 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Chris Nguyen located?

The NPPES record lists a practice address at 3300 NW Expressway, Oklahoma City, OK, 73112. Phone: (405) 713-7403. Providers update this record themselves, so call before visiting.

How can I verify Chris Nguyen's license?

NPPES lists Oklahoma license number 6714, 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 Chris Nguyen prescribe under Medicare Part D?

In 2024, Chris Nguyen had 296 Medicare Part D claims for 125 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.