Quick answers
- Does Charlie Thai accept Medicare assignment?
- Yes. Medicare's clinician data says Charlie Thai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Charlie Thai's NPI number?
- 1548902976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charlie Thai works
Medicare's Facility Affiliation Data lists Charlie Thai at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- University Health SystemSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450213
- UT Health San Antonio Multispecialty & Research HoSan Antonio, TX · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 670335
Practice locations
Addresses where Charlie Thai is enrolled with Medicare (CMS data updated October 2, 2026).
- 4502 Medical DrSan Antonio, TX 78229 (210) 358‑4000
Group practices
Medicare enrollment lists Charlie Thai as a member of these groups (CMS data updated October 2, 2026).
- University of Texas Health Science Center at San Antonio1,297 clinicians in the group
- Community Medicine Associates605 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in University of Texas Health Science Center at San Antonio
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548902976 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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