Quick answers
- Does Theresa C. Macgregor accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa C. Macgregor 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 Theresa C. Macgregor's NPI number?
- 1518596618. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Theresa C. Macgregor works
Medicare's Facility Affiliation Data lists Theresa C. Macgregor 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
Practice locations
Addresses where Theresa C. Macgregor is enrolled with Medicare (CMS data updated October 2, 2026).
- 2121 SW 36th StSan Antonio, TX 78237 (210) 358‑5100
- 8300 Floyd Curl DrSan Antonio, TX 78229 (210) 450‑9000
- 903 W Martin StSan Antonio, TX 78207 (210) 358‑3400
Group practices
Medicare enrollment lists Theresa C. Macgregor 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
- Obstetrics/Gynecologyprimary
Other OB-GYNs 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 | MD |
|---|---|
| Medical school | University Of North Texas Hsc, College Of Osteopathic Med |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518596618 |
| 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