Quick answers
- Which hospitals does Sullivan Ayuso work at?
- Medicare's official clinician data lists Sullivan Ayuso at 1 hospital: Dell Seton Medical Center at the University of TX. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sullivan Ayuso see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is Sullivan Ayuso's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Sullivan Ayuso accept Medicare assignment?
- Yes. Medicare's clinician data says Sullivan Ayuso 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 Sullivan Ayuso offer telehealth?
- Medicare's clinician data says Sullivan Ayuso offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sullivan Ayuso?
- (833) 882-2737, as listed in official Medicare / NPI Registry data.
- What is Sullivan Ayuso's NPI number?
- 1194220921. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sullivan Ayuso works
Medicare's Facility Affiliation Data lists Sullivan Ayuso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Dell Seton Medical Center at the University of TXAustin, TX · Acute Care Hospital · CCN 450124
Practice locations
Addresses where Sullivan Ayuso is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Trinity StAustin, TX 78712 (833) 882‑2737
Group practices
Medicare enrollment lists Sullivan Ayuso as a member of these groups (CMS data updated 2026-10-02).
- The University of Texas at Austin153 clinicians in the group
- University of Texas at Austin Dell Medical School151 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194220921 |
| 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