NPPES file of Aug 9, 2026

Long T. Nguyen, M.D.

Internal Medicine Physician · Oklahoma City, OK

Long T. Nguyen, M.D. is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1811956006, issued on Mar 17, 2006. Check the license (Oklahoma 20102, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811956006
Name
Long T. Nguyen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20102 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
Mar 17, 2006
Record last updated
Jul 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(405) 713-2794
Medicaid ID
100132200A OK
Medicare enrollment
Enrolled (PECOS I20040524000651); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1995
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 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 Long T. 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 20102
    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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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

387 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 58 claims were for opioids.

  1. Long Nguyen387
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen35 claims
  2. Prednisone26 claims
  3. Eliquis22 claims
  4. Amiodarone Hcl14 claims
  5. Furosemide14 claims
  6. Amlodipine Besylate13 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costout of 100 · 30%17.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Best Physicians AT Home, IncChandler, OK
  2. Transitional Care Organization LLCOklahoma City, OK

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

Long T. Nguyen among 1,115 internal medicine physician records in Oklahoma

Long T. Nguyen, M.D. 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1995 · median 2007 among the 653 with a school on file
  • Record last updated2017 · 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. Neena Philip, MDOklahoma City, OK 731121346244365
  8. Lori Pickrell, MDOklahoma City, OK 731121104801893

Common questions

What is Long T. Nguyen, M.D.'s NPI number?

Long T. Nguyen, M.D.'s National Provider Identifier (NPI) is 1811956006, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Long T. Nguyen, M.D. 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 Long T. Nguyen, M.D.'s license?

NPPES lists Oklahoma license number 20102, 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 Long T. Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Long T. Nguyen, M.D. had 387 Medicare Part D claims for 184 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Long T. Nguyen, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. 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.