Quick answers
- Which hospitals does Thomas A. Onstott work at?
- Medicare's official clinician data lists Thomas A. Onstott at 1 hospital: UT Health San Antonio Multispecialty & Research Ho…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas A. Onstott see patients?
- Medicare's clinician data lists 3 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
- What is Thomas A. Onstott's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Thomas A. Onstott accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas A. Onstott 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 A. Onstott?
- (210) 949-6000, as listed in official Medicare / NPI Registry data.
- What is Thomas A. Onstott's NPI number?
- 1851767529. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas A. Onstott works
Medicare's Facility Affiliation Data lists Thomas A. Onstott at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UT Health San Antonio Multispecialty & Research Ho…San Antonio, TX · Acute Care Hospital · CCN 670335
Practice locations
Addresses where Thomas A. Onstott is enrolled with Medicare (CMS data updated 2026-10-02).
- 423 Treeline Park, Suite 202San Antonio, TX 78209 (210) 949‑6000
- 502 Madison Oak Dr, Suite 500San Antonio, TX 78258 (210) 499‑6700
- 7946 N Loop 1604San Antonio, TX 78249 (210) 450‑9000
Group practices
Medicare enrollment lists Thomas A. Onstott as a member of these groups (CMS data updated 2026-10-02).
- University of Texas Health Science Center at San Antonio1,297 clinicians in the group
- Emergenchealth PLLC1,056 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851767529 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians