Quick answers
- Which hospitals does Marisa Sandera work at?
- Medicare's official clinician data lists Marisa Sandera at 3 hospitals: Methodist Hospital, Methodist Hospital Stone Oak and Peterson Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marisa Sandera see patients?
- Medicare's clinician data lists 3 practice locations, including Boerne, TX and San Antonio, TX. Call before your visit to confirm the address.
- What is Marisa Sandera's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
- Does Marisa Sandera accept Medicare assignment?
- Yes. Medicare's clinician data says Marisa Sandera 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 Marisa Sandera offer telehealth?
- Medicare's clinician data says Marisa Sandera offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marisa Sandera?
- (210) 593-5700, as listed in official Medicare / NPI Registry data.
- What is Marisa Sandera's NPI number?
- 1508828971. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marisa Sandera works
Medicare's Facility Affiliation Data lists Marisa Sandera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · CCN 670055
- Peterson Regional Medical CenterKerrville, TX · Acute Care Hospital · CCN 450007
Practice locations
Addresses where Marisa Sandera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1420 River Rd, Suite 200Boerne, TX 78006 (210) 593‑5700
- 155 E Sonterra Blvd, Suite 200San Antonio, TX 78258 (210) 593‑5700
- 4383 Medical DrSan Antonio, TX 78229 (210) 593‑5700
Group practices
Medicare enrollment lists Marisa Sandera as a member of this group (CMS data updated 2026-10-02).
- South Texas Oncology and Hematology, PLLC41 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508828971 |
| 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