Quick answers
- Which hospitals does Alexandra Mahon work at?
- Medicare's official clinician data lists Alexandra Mahon at 3 hospitals: Baylor Scott & White Heart & Vascular Hospital - Dallas, Baylor University Medical Center and Methodist Hospital Stone Oak. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexandra Mahon see patients?
- Medicare's clinician data lists 4 practice locations, including San Antonio, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Alexandra Mahon's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Alexandra Mahon accept Medicare assignment?
- Yes. Medicare's clinician data says Alexandra Mahon 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 Alexandra Mahon?
- (210) 638-2000, as listed in official Medicare / NPI Registry data.
- What is Alexandra Mahon's NPI number?
- 1639794563. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexandra Mahon works
Medicare's Facility Affiliation Data lists Alexandra Mahon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baylor Scott & White Heart & Vascular Hospital - DallasDallas, TX · Acute Care Hospital · CCN 450851
- Baylor University Medical CenterDallas, TX · Acute Care Hospital · CCN 450021
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · CCN 670055
Practice locations
Addresses where Alexandra Mahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 1139 E Sonterra BlvdSan Antonio, TX 78258 (210) 638‑2000
- 2710 Swiss AveDallas, TX 75204 (214) 821‑1599
- 3500 Gaston AveDallas, TX 75246 (214) 820‑0111
- 621 N Hall StDallas, TX 75226 (214) 820‑0600
Group practices
Medicare enrollment lists Alexandra Mahon as a member of these groups (CMS data updated 2026-10-02).
- Hospital Medicine Services of TX, PLLC378 clinicians in the group
- North Texas Critical Care PA76 clinicians in the group
- Urgent Surgery Associates PA63 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639794563 |
| 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