Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Roger Thomas Williams, MD

Individual provider Anesthesiology Physician · NPI 1467643650

Dr. Roger Thomas Williams, MD is an Anesthesiology in Gatesville, Texas. Graduated from University of Texas Medical Branch at Galveston in 2004, 22 years ago. Practices with Shannon Clinic, a 547-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
22
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1507 W Main St
Gatesville, TX 76528-1024
Phone: (254) 865-8251
Fax: (254) 248-6306
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence M9095 (TX)

Record details

NPI number1467643650
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2007
Last updated in NPPESJanuary 26, 2024
Certification dateJanuary 26, 2024
Mailing address1507 W Main St, Gatesville, TX 76528-1024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2004 (22 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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