Registry data as of Aug 27, 2026

Karl Hempel, M.D.

Rheumatology Physician · San Antonio, TX

Karl Hempel, M.D. is a rheumatology physician with a practice address in San Antonio, Texas, and NPI 1588634836, issued on Jan 26, 2006. Check the license 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
1588634836
Name
Karl Hempel
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
Practice location
Suite 703 414 Navarro, San Antonio, TX 78205
Phone
(210) 224-4811
Enumerated
Jan 26, 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 Suite 703 414 Navarro

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

  1. Charles Briseno, M.D.Internal Medicine Physician1184694457
  2. John Seidenfeld, M.D.Pulmonary Disease Physician1336321686

Verify Karl Hempel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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.

Rheumatology Physician providers in Texas

There are 417 rheumatology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 417 in Texas → Every provider in San Antonio →

Other rheumatology physician records in Texas

  1. Michael Abel, MDFredericksburg, TX1841270204
  2. Tareq Abou-Khamis, M.D.Houston, TX1851587612
  3. Robert Abresch, M.D.El Paso, TX1285628677
  4. Sampada Acharya, MDFort Worth, TX1033422662
  5. Waffiyah Afridi, M.D.Farmers Branch, TX1346400686
  6. Zeeshan Afzal, M.D.El Paso, TX1649586256
  7. Martha Aguilar, M.D.Houston, TX1750488805
  8. Syed Alam, MDHouston, TX1396179677
  9. Ann Aleman Weinmann, MDCorpus Christi, TX1982660338
  10. Hiba Ali, MDPasadena, TX1679969448

Common questions

What is Karl Hempel, M.D.'s NPI number?

Karl Hempel, M.D.'s National Provider Identifier (NPI) is 1588634836, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karl Hempel, M.D. located?

The NPPES record lists a practice address at Suite 703 414 Navarro, San Antonio, TX, 78205. Phone: (210) 224-4811. Providers update this record themselves, so call before visiting.

How can I verify Karl Hempel, M.D.'s license?

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.

Compiled from official public sources by the editorial process.

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.