Quick answers
- Which hospitals does Matthew R. Selmon work at?
- Medicare's official clinician data lists Matthew R. Selmon at 2 hospitals: Ascension Seton Hays and St David's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew R. Selmon see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is Matthew R. Selmon's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Matthew R. Selmon accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew R. Selmon 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 Matthew R. Selmon?
- (512) 206-3600, as listed in official Medicare / NPI Registry data.
- What is Matthew R. Selmon's NPI number?
- 1316990922. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew R. Selmon works
Medicare's Facility Affiliation Data lists Matthew R. Selmon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton HaysKyle, TX · Acute Care Hospital · CCN 670056
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
Practice locations
Addresses where Matthew R. Selmon is enrolled with Medicare (CMS data updated 2026-10-02).
- 3801 N Lamar Blvd, 300 Heart HospitalAustin, TX 78756 (512) 206‑3600
Group practices
Medicare enrollment lists Matthew R. Selmon as a member of this group (CMS data updated 2026-10-02).
- St Davids Heart and Vascular PLLC203 clinicians in the group
Specialties
Other interventional cardiologists 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 | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316990922 |
| 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