NPPES file of Aug 9, 2026

Gregory T. Davis, M.D.

Internal Medicine Physician · Marble Falls, TX

Gregory T. Davis, M.D. is an internal medicine physician with a practice address in Marble Falls, Texas, and NPI 1255362448, issued on Jul 5, 2006. Check the license (Texas P4299, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255362448
Name
Gregory T. Davis
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
P4299 TX
A83496 CA
Self-reported in NPPES; status is on the state search
Practice location
810 W Highway 71, Marble Falls, TX 78654
Phone
(830) 201-8000
Enumerated
Jul 5, 2006
Record last updated
Jan 25, 2022
Medicare enrollment
Enrolled (PECOS I20121025000700); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 810 W Highway 71

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

  1. Raju Behara, MDAnesthesiology Physician1558990176
  2. Judith Brown, D.OObstetrics & Gynecology Physician1376923748
  3. Robert Browning, CRNACertified Registered Nurse Anesthetist1417972464
  4. Sara Browning, CRNACertified Registered Nurse Anesthetist1104255801
  5. Stefan Buca, M.D.Emergency Medicine Physician1417121799
  6. John Calder, M.D.Diagnostic Radiology Physician1740240829

Verify Gregory T. Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P4299
    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.

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Bills Medicare through one group practice

  1. Scott And White ClinicTemple, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory T. Davis among 9,175 internal medicine physician records in Texas

Gregory T. Davis, M.D. is one of 9,175 internal 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2001 · median 2004 among the 6,088 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 internal medicine physician records list a practice address in Marble Falls

They are 15 of the 354 NPPES records with a practice address in Marble Falls, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Monica Eisele-Flint, M.D.Marble Falls, TX 786541780888560
  2. John Hoyer, M.D.Marble Falls, TX 786541225016405
  3. Ronald Johns, M.D.Marble Falls, TX 786541750376703
  4. Juliette Madrigal, M.D.Meadowlakes, TX 786541710103668
  5. Umavathy Manoharan, MDMarble Falls, TX 786541164596532
  6. Clayton McCuan, DOMarble Falls, TX 786541235321126
  7. Stuart McKennon, M.D.Marble Falls, TX 786541902834757
  8. Samreena Memon, M.D.Marble Falls, TX 786541477787836

Common questions

What is Gregory T. Davis, M.D.'s NPI number?

Gregory T. Davis, M.D.'s National Provider Identifier (NPI) is 1255362448, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory T. Davis, M.D. located?

The NPPES record lists a practice address at 810 W Highway 71, Marble Falls, TX, 78654. Phone: (830) 201-8000. Providers update this record themselves, so call before visiting.

How can I verify Gregory T. Davis, M.D.'s license?

NPPES lists Texas license number P4299, 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.