Robert A. Williamson, M.D.
General Practice Physician · Gonzales, TX
Robert A. Williamson, M.D. is a general practice physician with a practice address in Gonzales, Texas, and NPI 1821095696, issued on Jul 7, 2005. Check the license (Texas D9725, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert A. Williamson
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- D9725 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1605 N Sarah Dewitt Dr, Gonzales, TX 78629
- Phone
- (830) 672-4601
- Enumerated
- Jul 7, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (830) 672-8101
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,062 in Texas → Look up another NPI →
Also registered at 1605 N Sarah Dewitt Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terry Eska, M.D.Internal Medicine Physician1558470864
Verify Robert A. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D9725Check 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: $216.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Integra LifeSciences Corporation. The 4,259 providers of this specialty with any payment received $1,273.40 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.
Robert A. Williamson among 1,062 general practice physician records in Texas
Robert A. Williamson, M.D. is one of 1,062 general practice physician records with a practice address in Texas. 44% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 44% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Texas
There are 1,062 general practice physician records in Texas.
All 1,062 in Texas → Every provider in Gonzales → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- James McKinney, DOGeorgetown, TX 786261861571614
- Charles Massey, MDFredericksburg, TX 786241407046626
- Christine KloppeDripping Springs, TX 786201972059269
- Daniel Stickler, M.D.Driftwood, TX 786191346295698
- Leslie Demetri, MDKyle, TX 786401760503577
- Kara Haggart, D.O.Llano, TX 786431306165675
- Oluwatomi Ajibola, MDCedar Park, TX 786131437808763
- Steven Foster, MDCedar Park, TX 786131245276682
Common questions
What is Robert A. Williamson, M.D.'s NPI number?
Robert A. Williamson, M.D.'s National Provider Identifier (NPI) is 1821095696, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Williamson, M.D. located?
The NPPES record lists a practice address at 1605 N Sarah Dewitt Dr, Gonzales, TX, 78629. Phone: (830) 672-4601. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Williamson, M.D.'s license?
NPPES lists Texas license number D9725, 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.