Doctor profile · Federal record

Dr. Robert Williamson, M.D.

General Practice Physician · Gonzales, TX

  • NPI 1821095696
  • 21 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1605 N Sarah Dewitt Dr
Gonzales, TX 786292700
(830) 672-4601
fax (830) 672-8101
Mailing address
Po Box 1840
Gonzales, TX 786291340

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
208D00000X — NUCC code
State license (1)
Texas #D9725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821095696. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$217
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Integra LifeSciences Corporation 1 $161.03
Novartis Pharmaceuticals Corporation 1 $55.88

By nature of payment

Food and Beverage
$217

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Williamson's medical specialty?
Dr. Robert Williamson practices General Practice Physician in Gonzales, TX.
Where does Dr. Robert Williamson practice?
Dr. Robert Williamson practices at 1605 N Sarah Dewitt Dr, Gonzales, TX 786292700. Office phone: 8306724601.
What is Dr. Robert Williamson's NPI?
Dr. Robert Williamson's National Provider Identifier (NPI) is 1821095696, issued by NPPES.