Quick answers
- Which hospitals does Michael J. Aterno work at?
- Medicare's official clinician data lists Michael J. Aterno at 4 hospitals: Ascension Seton Medical Center Austin, Ascension Seton Northwest, Dell Seton Medical Center at the University of TX and Hill Country Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Aterno see patients?
- Medicare's clinician data lists 3 practice locations, including Austin, TX, Kerrville, TX and San Antonio, TX. Call before your visit to confirm the address.
- What is Michael J. Aterno's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Michael J. Aterno accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Aterno 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 Michael J. Aterno?
- (512) 324-6000, as listed in official Medicare / NPI Registry data.
- What is Michael J. Aterno's NPI number?
- 1407276173. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Aterno works
Medicare's Facility Affiliation Data lists Michael J. Aterno 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
- Ascension Seton NorthwestAustin, TX · Acute Care Hospital · CCN 450867
- Dell Seton Medical Center at the University of TXAustin, TX · Acute Care Hospital · CCN 450124
- Hill Country Memorial HospitalFredericksburg, TX · Acute Care Hospital · CCN 450604
Practice locations
Addresses where Michael J. Aterno is enrolled with Medicare (CMS data updated 2026-10-02).
- 11113 Research BlvdAustin, TX 78759 (512) 324‑6000
- 260 Cully DrKerrville, TX 78028 (830) 258‑7747
- 7700 Floyd Curl DrSan Antonio, TX 78229 (210) 575‑4000
Group practices
Medicare enrollment lists Michael J. Aterno as a member of these groups (CMS data updated 2026-10-02).
- Usacs Integrated Acute Care Services of Texas, PLLC387 clinicians in the group
- Hospital Medicine Services of TX, PLLC378 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407276173 |
| 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