Quick answers
- Which hospitals does Wylan Peterson work at?
- Medicare's official clinician data lists Wylan Peterson at 5 hospitals: Ascension Seton Hays, Baylor Scott & White Medical Center - Round Rock, CHRISTUS Santa Rosa Hospital-San Marcos, CHRISTUS Spohn Hospital Corpus Christi and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wylan Peterson see patients?
- Medicare's clinician data lists 7 practice locations, including San Marcos, TX, Austin, TX and Kerrville, TX. Call before your visit to confirm the address.
- What is Wylan Peterson's specialty?
- Medicare lists General Surgery as the primary specialty, and also Critical Care (Intensivists) and Pulmonary Disease.
- Does Wylan Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Wylan Peterson 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 Wylan Peterson?
- (512) 353-8979, as listed in official Medicare / NPI Registry data.
- What is Wylan Peterson's NPI number?
- 1659395523. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wylan Peterson works
Medicare's Facility Affiliation Data lists Wylan Peterson 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
- Baylor Scott & White Medical Center - Round RockRound Rock, TX · Acute Care Hospital · CCN 670034
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · CCN 450272
- CHRISTUS Spohn Hospital Corpus ChristiCorpus Christi, TX · Acute Care Hospital · CCN 450046
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Wylan Peterson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1301 Wonder World DrSan Marcos, TX 78666 (512) 353‑8979
- 4207 James Casey St, Suite 304Austin, TX 78745 (512) 428‑4441
- 551 Hill Country DrKerrville, TX 78028 (830) 896‑4200
- 555 Creekside XingNew Braunfels, TX 78130 (830) 500‑6650
- 600 Elizabeth StCorpus Christi, TX 78404 (361) 881‑3000
Group practices
Medicare enrollment lists Wylan Peterson as a member of these groups (CMS data updated 2026-10-02).
- Seton Family of Doctors792 clinicians in the group
- Usacs Critical Care Medicine Services of Texas PLLC75 clinicians in the group
- Gulf Coast Intensivists, PLLC44 clinicians in the group
- Central Texas Intensivists PLLC21 clinicians in the group
- Texas Acute Care Surgery LLC9 clinicians in the group
Specialties
- General Surgeryprimary
- Critical Care (Intensivists)also
- Pulmonary Diseasealso
Other general surgeons in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659395523 |
| 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