Quick answers
- Which hospitals does Matthew J. Sideman work at?
- Medicare's official clinician data lists Matthew J. Sideman at 4 hospitals: Baptist Medical Center, CHRISTUS Santa Rosa Medical Center, University Health System and UT Health San Antonio Multispecialty & Research Ho…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew J. Sideman see patients?
- Medicare's clinician data lists 2 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
- What is Matthew J. Sideman's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does Matthew J. Sideman accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew J. Sideman 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.
- Does Matthew J. Sideman offer telehealth?
- Medicare's clinician data says Matthew J. Sideman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Matthew J. Sideman?
- (210) 450-9000, as listed in official Medicare / NPI Registry data.
- What is Matthew J. Sideman's NPI number?
- 1386614774. 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 J. Sideman works
Medicare's Facility Affiliation Data lists Matthew J. Sideman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450058
- CHRISTUS Santa Rosa Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450237
- University Health SystemSan Antonio, TX · Acute Care Hospital · CCN 450213
- UT Health San Antonio Multispecialty & Research Ho…San Antonio, TX · Acute Care Hospital · CCN 670335
Practice locations
Addresses where Matthew J. Sideman is enrolled with Medicare (CMS data updated 2026-10-02).
- 11212 Hwy 151San Antonio, TX 78251 (210) 450‑9000
- 8300 Floyd Curl DrSan Antonio, TX 78229 (210) 450‑9000
Group practices
Medicare enrollment lists Matthew J. Sideman as a member of this group (CMS data updated 2026-10-02).
- University of Texas Health Science Center at San Antonio1,297 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386614774 |
| 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