Quick answers
- Which hospitals does Chad Siewers work at?
- Medicare's official clinician data lists Chad Siewers at 2 hospitals: CHRISTUS Santa Rosa Hospital-San Marcos and Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chad Siewers see patients?
- Medicare's clinician data lists 3 practice locations, including Live Oak, TX, San Marcos, TX and New Braunfels, TX. Call before your visit to confirm the address.
- What is Chad Siewers's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Chad Siewers accept Medicare assignment?
- Yes. Medicare's clinician data says Chad Siewers 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 Chad Siewers?
- (210) 757-7000, as listed in official Medicare / NPI Registry data.
- What is Chad Siewers's NPI number?
- 1316487903. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chad Siewers works
Medicare's Facility Affiliation Data lists Chad Siewers at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · CCN 450272
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
Practice locations
Addresses where Chad Siewers is enrolled with Medicare (CMS data updated 2026-10-02).
- 12412 Judson RdLive Oak, TX 78233 (210) 757‑7000
- 1301 Wonder World DrSan Marcos, TX 78666 (512) 353‑8979
- 244 Creekside XingNew Braunfels, TX 78130 (830) 608‑5600
Group practices
Medicare enrollment lists Chad Siewers as a member of these groups (CMS data updated 2026-10-02).
- Emergency Medicine Services of TX, PLLC400 clinicians in the group
- Comal Emergency Physicians PLLC91 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Live Oak
Clinicians with the same Medicare primary specialty in Live Oak, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Edward Via Col Of Osteo Medicine-Virginia Campus |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316487903 |
| 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