Registry data as of Aug 27, 2026

Dana Grellhesl, M.D.

Anesthesiology Physician · Houston, TX

Dana Grellhesl, M.D. is an anesthesiology physician with a practice address in Houston, Texas, and NPI 1154686046, issued on Jul 7, 2012. Check the license (Texas P1080, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordas of Aug 27, 2026
1154686046
Name
Dana Grellhesl
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
P1080 TX
Self-reported in NPPES; status is on the state search
Practice location
6720 Bertner Ave, Houston, TX 77030
Phone
(323) 552-6668
Enumerated
Jul 7, 2012
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 6720 Bertner Ave

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

  1. Ligaya Abangan, CRNACertified Registered Nurse Anesthetist1922088384
  2. Taj Adams, MDEmergency Medicine Physician1730321860
  3. Oludayo Adeyefa, M.D.Anesthesiology Physician1700014628
  4. Fatima Adhi, MDInternal Medicine Physician1437590387
  5. Yunuen Aguilera Garcia, M.D.Internal Medicine Physician1578842522
  6. Tabish Aijaz, M.D.Anesthesiology Physician1417319732

Verify Dana Grellhesl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P1080
    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.

4 hospital and facility affiliations

  1. Compass Anesthesia Providers, PLLCHumble, TX
  2. Texans Anesthesia Associates PLLCHouston, TX
  3. U S Anesthesia Partners OF Texas, PAHouston, TX
  4. UT PhysiciansHouston, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1,026 anesthesiology physician records list a Houston practice address

They are 1,026 of the 61,221 NPPES records with a Houston practice address, and 4,363 anesthesiology physician records in Texas.

Other anesthesiology physician records in Texas

  1. Asle Aarsland, M.D.Galveston, TX1033207113
  2. Maryann Abanobi, MDDallas, TX1790027191
  3. Mohamad Abdalla, MDDallas, TX1073680963
  4. Ayham AbdelSan Antonio, TX1467147496
  5. Ahmed Abdel Rahman, MD, FRCPC, MBARockwall, TX1316972698
  6. Cherry Abdou, MDDallas, TX1679194484
  7. Osama Aboul-Fettouh, M.D.Dallas, TX1376634741
  8. Malik Abouleish, DOGalveston, TX1356919708
  9. Binu Abraham, MDDallas, TX1003293788
  10. Joyce Abraham, MDGarland, TX1568598183

Common questions

What is Dana Grellhesl, M.D.'s NPI number?

Dana Grellhesl, M.D.'s National Provider Identifier (NPI) is 1154686046, issued on Jul 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Dana Grellhesl, M.D. located?

The NPPES record lists a practice address at 6720 Bertner Ave, Houston, TX, 77030. Phone: (323) 552-6668. Providers update this record themselves, so call before visiting.

How can I verify Dana Grellhesl, M.D.'s license?

NPPES lists Texas license number P1080, 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. Medicare files from data.cms.gov. 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.