Gregory S. Gremmel, MD
Emergency Medical Services (Emergency Medicine) Physician · Austin, TX
Gregory S. Gremmel, MD is an emergency medical services (emergency medicine) physician with a practice address in Austin, Texas, and NPI 1902851090, issued on May 24, 2006. Check the license (Texas L2287, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Gremmel
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- L2287 TX
Self-reported in NPPES; status is on the state search - Practice location
- 919 E 32ND St, Austin, TX 78705
- Phone
- (512) 476-7111
- Enumerated
- May 24, 2006
- Record last updated
- May 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid IDs
- 147915602 TX
147915601 TX - Medicare enrollment
- Enrolled (PECOS I20090129000093); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 250 in Texas → Look up another NPI →
Also registered at 919 E 32ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Uzair AhmadAnesthesiologist Assistant1639010358
- Erick Allen, M.D.Anesthesiology Physician1588623300
- Neil Altuna, R.N.Certified Registered Nurse Anesthetist1467831933
- Karunakar Annapureddy, MDHospitalist Physician1568543221
- Marcella Archambeault, CAAAnesthesiologist Assistant1295661924
- Madeleine Baughman, PAPhysician Assistant1548917107
Verify Gregory S. Gremmel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L2287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
214 Medicare Part D claims for 126 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Prednisone23 claims
- Ciprofloxacin Hcl20 claims
- Ondansetron Odt19 claims
- Levofloxacin11 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.
Bills Medicare through one group practice
- Lone Star Emergency Associates LLCYoakum, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory S. Gremmel among 250 emergency medical services (emergency medicine) physician records in Texas
Gregory S. Gremmel, MD is one of 250 emergency medical services (emergency medicine) physician records with a practice address in Texas. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 22% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated1997 · median 1999 among the 62 with a school on file
- Record last updated2010 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Texas
There are 250 emergency medical services (emergency medicine) physician records in Texas.
All 250 in Texas → Every provider in Austin → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Ann Marie Buchanan, MDAustin, TX 787051639119795
- Vard Curtis, MDAustin, TX 787051710931696
- Jessica Dapper, MDAustin, TX 787051770536203
- Nicole Flores, M.D.Austin, TX 787051790721017
- Jeremy Gabrysch, M.D.Austin, TX 787051437107612
- Ruth Hartjen, M.D.Austin, TX 787051548219777
- Rex Medford, MDAustin, TX 787051013963123
- Randy Reyes, MDAustin, TX 787051154361210
Common questions
What is Gregory S. Gremmel, MD's NPI number?
Gregory S. Gremmel, MD's National Provider Identifier (NPI) is 1902851090, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Gremmel, MD located?
The NPPES record lists a practice address at 919 E 32ND St, Austin, TX, 78705. Phone: (512) 476-7111. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Gremmel, MD's license?
NPPES lists Texas license number L2287, 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 Gregory S. Gremmel, MD prescribe under Medicare Part D?
In 2024, Gregory S. Gremmel, MD had 214 Medicare Part D claims for 126 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.