Gregory Garth Allen, M.D.
Family Medicine Physician · Austin, TX
Gregory Garth Allen, M.D. is a family medicine physician with a practice address in Austin, Texas, and NPI 1124060389, issued on Jun 12, 2006. Check the license (Texas G4783, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Garth Allen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G4783 TX
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Dean Keeton St, Austin, TX 78712
- Phone
- (512) 475-8428
- Enumerated
- Jun 12, 2006
- Record last updated
- Aug 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 100 E Dean Keeton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Cutler, PACMedical Physician Assistant1780651661
- Melinda McMichael, M.D.Internal Medicine Physician1174596878
- Laura Swann, MED., LCDCAddiction (Substance Use Disorder) Counselor1184857120
Verify Gregory Garth Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G4783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $142.18
1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Garth Allen among 11,119 family medicine physician records in Texas
Gregory Garth Allen, M.D. is one of 11,119 family 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2010 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
544 family medicine physician records list a practice address in Austin
They are 544 of the 26,585 NPPES records with a practice address in Austin, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Austin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ginger Bloomer, MDAustin, TX 787121558320192
- James Bray, MDAustin, TX 787121851350557
- Margaret Gilmore, MDAustin, TX 787121164712998
- Laura Goodell, M.D.Austin, TX 787121164495677
- Alison Graff, DOAustin, TX 787121154884054
- Terrance Hines, MDAustin, TX 787121588855266
- Albert Meisenbach, M.D.Austin, TX 787121003852179
- Jennifer Nordhauser, MD, MPHAustin, TX 787121417516915
Common questions
What is Gregory Garth Allen, M.D.'s NPI number?
Gregory Garth Allen, M.D.'s National Provider Identifier (NPI) is 1124060389, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Garth Allen, M.D. located?
The NPPES record lists a practice address at 100 E Dean Keeton St, Austin, TX, 78712. Phone: (512) 475-8428. Providers update this record themselves, so call before visiting.
How can I verify Gregory Garth Allen, M.D.'s license?
NPPES lists Texas license number G4783, 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), 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.