Quick answers
- Which hospitals does Tomas G. Antonini work at?
- Medicare's official clinician data lists Tomas G. Antonini at 2 hospitals: Ascension Seton Medical Center Austin and North Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tomas G. Antonini see patients?
- Medicare's clinician data lists 3 practice locations, including Austin, TX. Call before your visit to confirm the address.
- What is Tomas G. Antonini's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Tomas G. Antonini accept Medicare assignment?
- Yes. Medicare's clinician data says Tomas G. Antonini 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.
- Does Tomas G. Antonini offer telehealth?
- Medicare's clinician data says Tomas G. Antonini offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tomas G. Antonini?
- (512) 339-6626, as listed in official Medicare / NPI Registry data.
- What is Tomas G. Antonini's NPI number?
- 1265494827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tomas G. Antonini works
Medicare's Facility Affiliation Data lists Tomas G. Antonini at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
Practice locations
Addresses where Tomas G. Antonini is enrolled with Medicare (CMS data updated 2026-10-02).
- 12201 Renfert Way, Suite 225Austin, TX 78758 (512) 339‑6626
- 12221 N Mopac ExpyAustin, TX 78758 (512) 339‑6626
- 3407 Glenview AveAustin, TX 78703 (512) 716‑0861
Group practices
Medicare enrollment lists Tomas G. Antonini as a member of this group (CMS data updated 2026-10-02).
- St. Davids Ob and Gyn Services, PLLC19 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265494827 |
| 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