Thomas J Williamson, MD

Internal medicine physician in Houston, Texas · NPI 1013003201

Thomas Williamson is one of 1,126 internal medicine physicians practicing in Houston, Texas. Thomas Williamson practices with Kelsey-Seybold Medical Group, PLLC.

Registry record (NPPES)

NPI
1013003201
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
560 Meyerland Plaza Mall
Houston, TX 77096-1615
(713) 442-3222
Enumerated
Oct 5, 2006
Record last updated
Jun 23, 2021
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Internal Medicine
Revalidation due
No date set by CMS

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Practice locations

More internal medicine physicians in Houston

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.