NPPES file of Aug 9, 2026

Austin Rhea Thomas, DO

Internal Medicine Physician · Houston, TX

Austin Rhea Thomas, DO is an internal medicine physician with a practice address in Houston, Texas, and NPI 1538798251, issued on Apr 4, 2020. Check the license (Texas T5223, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538798251
Name
Austin Rhea Thomas
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
T5223 TX
Self-reported in NPPES; status is on the state search
Practice location
6431 Fannin St Ste Msb 1134, Houston, TX 77030
Phone
(713) 500-6500
Enumerated
Apr 4, 2020
Record last updated
Jul 27, 2022
Fax
(713) 500-6497
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6431 Fannin St Ste Msb 1134

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

  1. Aliasger Ali, MDNephrology Physician1538696984
  2. Catharina Cantarino Gomes Dos Santos, MDStudent in an Organized Health Care Education/Training Program1942190368
  3. Andres Garcia, MDDermatology Physician1992234769
  4. Joanne KimStudent in an Organized Health Care Education/Training Program1912469610
  5. Shalini Koshy, MDInternal Medicine Physician1245767417
  6. Kalyn Mosely, MDInternal Medicine Physician1952808115

Verify Austin Rhea Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T5223
    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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

65 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Austin Thomas65
  2. Specialty average3,176

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.

Industry payments in 2024: $810.31

7 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Austin Thomas$810.31
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Austin Rhea Thomas among 9,175 internal medicine physician records in Texas

Austin Rhea Thomas, DO is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.

  • NPI issued2020 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2022 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ketti Awad, MDHouston, TX 770301740284710
  2. Parikshet Babber, MDHouston, TX 770301114915816
  3. James Baker, MDHouston, TX 770301477549566
  4. Ana Blackmon, M.D.Houston, TX 770301962402446
  5. Maria Cruz-Carreras, MDHouston, TX 770301376533893
  6. Marina George, MDHouston, TX 770301780680009
  7. Barry Goodfriend, MDHouston, TX 770301588666218
  8. Betty Halpern, MDHouston, TX 770301942292685

Common questions

What is Austin Rhea Thomas, DO's NPI number?

Austin Rhea Thomas, DO's National Provider Identifier (NPI) is 1538798251, issued on Apr 4, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Austin Rhea Thomas, DO located?

The NPPES record lists a practice address at 6431 Fannin St Ste Msb 1134, Houston, TX, 77030. Phone: (713) 500-6500. Providers update this record themselves, so call before visiting.

How can I verify Austin Rhea Thomas, DO's license?

NPPES lists Texas license number T5223, 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 Austin Rhea Thomas, DO prescribe under Medicare Part D?

In 2024, Austin Rhea Thomas, DO had 65 Medicare Part D claims for 30 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.