Quick answers
- Which hospitals does Mary E. O'Donnell work at?
- Medicare's official clinician data lists Mary E. O'Donnell at 4 hospitals: North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary E. O'Donnell see patients?
- Medicare's clinician data lists 2 practice locations, including Austin, TX. Call before your visit to confirm the address.
- What is Mary E. O'Donnell's specialty?
- Medicare lists Anesthesiology Assistant as the primary specialty.
- Does Mary E. O'Donnell accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. O'Donnell 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 Mary E. O'Donnell?
- (512) 447-2211, as listed in official Medicare / NPI Registry data.
- What is Mary E. O'Donnell's NPI number?
- 1609561273. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary E. O'Donnell works
Medicare's Facility Affiliation Data lists Mary E. O'Donnell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Mary E. O'Donnell is enrolled with Medicare (CMS data updated 2026-10-02).
- 901 W Ben White Blvd, South Austin HospitalAustin, TX 78704 (512) 447‑2211
- 919 E 32nd StAustin, TX 78705 (512) 343‑2466
Group practices
Medicare enrollment lists Mary E. O'Donnell as a member of this group (CMS data updated 2026-10-02).
- Austin Anesthesiology Group PLLC428 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609561273 |
| 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