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Rheumatology

Thomas Rennie, MD

Sees patients in San Antonio, TX · Texas

Summary

Thomas Rennie, MD (Rheumatology) is enrolled with Medicare at 1 practice location in San Antonio, TX. NPI 1265423982. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Rennie, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

RheumatologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
MaleGender (as listed)
Rheumatology Associates of South Texas, PLLCGroup practice

Quick answers

Where does Thomas Rennie see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is Thomas Rennie's specialty?
Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
Does Thomas Rennie accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Rennie accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thomas Rennie?
(210) 265-8851, as listed in official Medicare / NPI Registry data.
What is Thomas Rennie's NPI number?
1265423982. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Thomas Rennie is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas Rennie as a member of this group (CMS data updated 2026-10-02).

  • Rheumatology Associates of South Texas, PLLC16 clinicians in the group

Specialties

Find other Rheumatology doctors in Texas →

Other rheumatologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All rheumatologists in San Antonio →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265423982
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians