Quick answers
- Which hospitals does Brendan P. Dewan work at?
- Medicare's official clinician data lists Brendan P. Dewan at 4 hospitals: Ascension Seton Southwest, North Austin 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 Brendan P. Dewan see patients?
- Medicare's clinician data lists 7 practice locations, including Austin, TX. Call before your visit to confirm the address.
- What is Brendan P. Dewan's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also General Surgery.
- Does Brendan P. Dewan accept Medicare assignment?
- Yes. Medicare's clinician data says Brendan P. Dewan 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 Brendan P. Dewan?
- (512) 459-8753, as listed in official Medicare / NPI Registry data.
- What is Brendan P. Dewan's NPI number?
- 1134445539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brendan P. Dewan works
Medicare's Facility Affiliation Data lists Brendan P. Dewan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton SouthwestAustin, TX · Acute Care Hospital · CCN 450865
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- 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 Brendan P. Dewan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1010 W 40th StAustin, TX 78756 (512) 459‑8753
- 12221 N Mopac Expressway, North Austin Med CtrAustin, TX 78758 (512) 901‑4001
- 12221 N Mopac ExpyAustin, TX 78758 (512) 901‑4001
- 3801 N Lamar BlvdAustin, TX 78756
- 901 W Ben White BlvdAustin, TX 78704 (512) 447‑2211
Group practices
Medicare enrollment lists Brendan P. Dewan as a member of these groups (CMS data updated 2026-10-02).
- St Davids Heart and Vascular PLLC203 clinicians in the group
- Cardiothoracic and Vascular Surgeons, PA34 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- General Surgeryalso
Other thoracic surgeons in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134445539 |
| 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