NPPES file of Aug 9, 2026

Anhtuan Hoang Nguyen, MD

Ophthalmology Physician · San Antonio, TX

Anhtuan Hoang Nguyen, MD is an ophthalmology physician with a practice address in San Antonio, Texas, and NPI 1821403510, issued on Jun 22, 2014. Check the license (Texas S0755, 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
1821403510
Name
Anhtuan Hoang Nguyen
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
S0755 TX
Self-reported in NPPES; status is on the state search
Practice location
5430 Fredericksburg RD Ste 100, San Antonio, TX 78229
Phone
(210) 340-1212
Enumerated
Jun 22, 2014
Record last updated
Jul 31, 2026
Medicare enrollment
Enrolled (PECOS I20190620000675); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 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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Also registered at 5430 Fredericksburg RD Ste 100

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

  1. Gregory Brunin, M.D.Ophthalmology Physician1043579733
  2. Matthew Caldwell, M.D.Cornea and External Diseases Specialist Physician1669594859
  3. Mark Carolan, O.D.Optometrist1073516241
  4. William Flynn, M.D., O.D.Ophthalmology Physician1700864089
  5. Megan Gauntt, NNPNeonatal Nurse Practitioner1053758862
  6. Melanie Gonzalez-Oliva, O.D.Optometrist1871725036

Verify Anhtuan Hoang Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S0755
    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

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3.0 times the Medicare Part D claims of the average ophthalmology physician in 2024

4,527 Medicare Part D claims for 941 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Anhtuan Nguyen4,527
  2. Specialty average1,518

Most prescribed

  1. Latanoprost1,060 claims
  2. Dorzolamide-Timolol1,011 claims
  3. Brimonidine Tartrate563 claims
  4. Prednisolone Acetate425 claims
  5. Timolol Maleate396 claims
  6. Moxifloxacin271 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): 99.2 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 score98.3
  2. Costnot scored (reweighted)
  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).

Industry payments in 2024: $717.85

15 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anhtuan Nguyen$717.85
  2. Specialty average$4,535.02

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

  1. Rashid And Rice Eye Associates, P.L.L.C.San Antonio, TX

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

Anhtuan Hoang Nguyen among 1,514 ophthalmology physician records in Texas

Anhtuan Hoang Nguyen, MD is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.

  • NPI issued2014 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2014 · median 2003 among the 1,052 with a school on file
  • Record last updated2026 · 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 207W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Texas

There are 1,514 ophthalmology physician records in Texas.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Alan Baribeau, M.D.San Antonio, TX 782291952301384
  2. Janis Croley, M.D.San Antonio, TX 782291871565150
  3. Timithy Dunham, M.D.San Antonio, TX 782291477569424
  4. William Flynn, M.D., O.D.San Antonio, TX 782291700864089
  5. Judianne Kellaway, MDSan Antonio, TX 782291689655755
  6. James Lehmann, MDSan Antonio, TX 782291861432114
  7. Sebastian Mora, D.O.San Antonio, TX 782291801885843
  8. Edward Rashid, M.D.San Antonio, TX 782291922001114

Common questions

What is Anhtuan Hoang Nguyen, MD's NPI number?

Anhtuan Hoang Nguyen, MD's National Provider Identifier (NPI) is 1821403510, issued on Jun 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Anhtuan Hoang Nguyen, MD located?

The NPPES record lists a practice address at 5430 Fredericksburg RD Ste 100, San Antonio, TX, 78229. Phone: (210) 340-1212. Providers update this record themselves, so call before visiting.

How can I verify Anhtuan Hoang Nguyen, MD's license?

NPPES lists Texas license number S0755, 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 Anhtuan Hoang Nguyen, MD prescribe under Medicare Part D?

In 2024, Anhtuan Hoang Nguyen, MD had 4,527 Medicare Part D claims for 941 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Anhtuan Hoang Nguyen, MD's MIPS final score?

The 2023 MIPS final score is 99.2 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.