Tam M. Nguyen, MD
Emergency Medicine Physician · Oklahoma City, OK
Tam M. Nguyen, MD is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1962645119, issued on Apr 16, 2009. Check the license on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Tam M. Nguyen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- P2149 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3300 NW Expressway, Oklahoma City, OK 73112
- Phone
- (405) 951-5241
- Enumerated
- Apr 16, 2009
- Record last updated
- Nov 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 298443701 TX
- Medicare enrollment
- Enrolled (PECOS I20171208000269); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 3300 NW Expressway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Comfort Adeyemi, APRNAdult Health Clinical Nurse Specialist1720597974
- Laura Adhikari, MDAnatomic Pathology & Clinical Pathology Physician1780848697
- Mark Aittaniemi, M.D.Anesthesiology Physician1346468790
Verify Tam M. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and SupervisionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average emergency medicine physician in 2024
63 Medicare Part D claims for 39 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone16 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): 71.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.37
1 payment: food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through one group practice
- OU Health Partners IncOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tam M. Nguyen among 748 emergency medicine physician records in Oklahoma
Tam M. Nguyen, MD is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 40% of them.
- NPI issued2009 · 40% of these records are older, 58% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2016 among the 438 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oklahoma
There are 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Oklahoma City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Billy Bryan, D.O.Oklahoma City, OK 731121376565622
- Matthew Caudle, M.D.Oklahoma City, OK 731121649473166
- Scott Chappell, M.D.Oklahoma City, OK 731121194783258
- Robert Cunningham, MDOklahoma City, OK 731121548461007
- David Fish, M.D.Oklahoma City, OK 731121619179389
- Terry Hall, M.D.Oklahoma City, OK 731121124040480
- Richard Heigle, MDOklahoma City, OK 731121386680627
- Marc Knudsen, D.O.Oklahoma City, OK 731121235125683
Common questions
What is Tam M. Nguyen, MD's NPI number?
Tam M. Nguyen, MD's National Provider Identifier (NPI) is 1962645119, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Tam M. Nguyen, MD located?
The NPPES record lists a practice address at 3300 NW Expressway, Oklahoma City, OK, 73112. Phone: (405) 951-5241. Providers update this record themselves, so call before visiting.
How can I verify Tam M. Nguyen, MD's license?
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 Tam M. Nguyen, MD prescribe under Medicare Part D?
In 2024, Tam M. Nguyen, MD had 63 Medicare Part D claims for 39 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Tam M. Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 71.7 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.