Registry data as of Aug 27, 2026

Margaret Clark, M.D.

Internal Medicine Physician · Austin, TX

Margaret Clark, M.D. is an internal medicine physician with a practice address in Austin, Texas, and NPI 1902915119, issued on Aug 30, 2006. Check the license (Texas F6531, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1902915119
Name
Margaret Clark
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
F6531 TX
Self-reported in NPPES; status is on the state search
Practice location
3706 S 1St St, Austin, TX 78704
Phone
(512) 324-4973
Enumerated
Aug 30, 2006
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 3706 S 1St St

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

  1. Anne Carlson, LCSWClinical Social Worker1821268194
  2. Lucy Chibesa, RNRegistered Nurse1750951158
  3. Grace Chimene, N.P.Nurse Practitioner1649283045
  4. Taylor FrankRegistered Nurse1649838434
  5. Baker Hamilton, M.D.Emergency Medicine Physician1720304017
  6. Kathy Lewellin, LCSWClinical Social Worker1972651438

Verify Margaret Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F6531
    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.

652 internal medicine physician records list a Austin practice address

They are 652 of the 26,585 NPPES records with a Austin practice address, and 11,069 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Pedro Abanto, M.D.McAllen, TX1982840393
  8. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  9. Obinna Abaribe, M.DMansfield, TX1457704355
  10. Enyinnaya Abarikwu, MDTyler, TX1174788178

Common questions

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

Margaret Clark, M.D.'s National Provider Identifier (NPI) is 1902915119, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Clark, M.D. located?

The NPPES record lists a practice address at 3706 S 1St St, Austin, TX, 78704. Phone: (512) 324-4973. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number F6531, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.