NPPES file of Aug 9, 2026

Margaret Elizabeth Nguyen, M.D.

Infectious Disease Physician · Fort Worth, TX

Margaret Elizabeth Nguyen, M.D. is an infectious disease physician with a practice address in Fort Worth, Texas, and NPI 1962655100, issued on Oct 31, 2008. Check the license (Texas P6479, as entered in NPPES) on the Texas Medical Board; 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
1962655100
Name
Margaret Elizabeth Nguyen
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
P6479 TX
Self-reported in NPPES; status is on the state search
Practice location
1350 S Main St Ste 1600, Fort Worth, TX 76104
Phone
(817) 702-3701
Enumerated
Oct 31, 2008
Record last updated
Jun 18, 2024
Fax
(817) 702-6924
Medicare enrollment
Enrolled (PECOS I20140124000904); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2007
Telehealth
Offers telehealth (CMS)
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 1350 S Main St Ste 1600

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

  1. Saqib Hasan, M.D.Infectious Disease Physician1053462069
  2. Melissa Jackson, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1790280113
  3. Justine Jeter, PHARMDPharmacist1013253905
  4. Marc Johnson, M.D.Adult Medicine Physician1730475815
  5. Taylor Snow, AGACNP-BCAcute Care Nurse Practitioner1174368872
  6. Pooja Tolaney, MDInternal Medicine Physician1144209040

Verify Margaret Elizabeth Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P6479
    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 Texas 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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3.6 times the Medicare Part D claims of the average infectious disease physician in 2024

2,504 Medicare Part D claims for 92 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Margaret Nguyen2,504
  2. Specialty average689

Most prescribed

  1. Biktarvy257 claims
  2. Symtuza142 claims
  3. Atorvastatin Calcium109 claims
  4. Tivicay109 claims
  5. Prezcobix60 claims
  6. Triumeq47 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): 92 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 score89.8
  2. Costout of 100 · 30%56.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  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 one group practice

  1. Acclaim Physician Group IncFort Worth, TX

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

Margaret Elizabeth Nguyen among 674 infectious disease physician records in Texas

Margaret Elizabeth Nguyen, M.D. is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 39% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2007 · median 2002 among the 510 with a school on file
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Daniel Barbaro, M.D.Fort Worth, TX 761041669447157
  2. Anupama Chennupati, MDFort Worth, TX 761041023258043
  3. Catherine Colquitt, MDFort Worth, TX 761041275533846
  4. Vitaly Golub, MDFort Worth, TX 761041346404993
  5. Saqib Hasan, M.D.Fort Worth, TX 761041053462069
  6. Mark Hupert, M.D.Fort Worth, TX 761041265407761
  7. Geeta Manthena, M.D.Fort Worth, TX 761041326257163
  8. Cheryl McDonald, M.D.Fort Worth, TX 761041013982511

Common questions

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

Margaret Elizabeth Nguyen, M.D.'s National Provider Identifier (NPI) is 1962655100, issued on Oct 31, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Elizabeth Nguyen, M.D. located?

The NPPES record lists a practice address at 1350 S Main St Ste 1600, Fort Worth, TX, 76104. Phone: (817) 702-3701. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number P6479, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Margaret Elizabeth Nguyen, M.D. had 2,504 Medicare Part D claims for 92 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Margaret Elizabeth Nguyen, M.D.'s MIPS final score?

The 2023 MIPS final score is 92 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.