Quick answers
- Which hospitals does Bassem Mazloum work at?
- Medicare's official clinician data lists Bassem Mazloum at 3 hospitals: Methodist Hospital, Uvalde Memorial Hospital and Val Verde Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Bassem Mazloum see patients?
- Medicare's clinician data lists 2 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
- What is Bassem Mazloum's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Bassem Mazloum accept Medicare assignment?
- Yes. Medicare's clinician data says Bassem Mazloum 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 Bassem Mazloum offer telehealth?
- Medicare's clinician data says Bassem Mazloum offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Bassem Mazloum?
- (210) 615-8308, as listed in official Medicare / NPI Registry data.
- What is Bassem Mazloum's NPI number?
- 1154374742. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Bassem Mazloum works
Medicare's Facility Affiliation Data lists Bassem Mazloum 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
- Uvalde Memorial HospitalUvalde, TX · Critical Access Hospital · CCN 451387
- Val Verde Regional Medical CenterDel Rio, TX · Acute Care Hospital · CCN 450154
Practice locations
Addresses where Bassem Mazloum is enrolled with Medicare (CMS data updated 2026-10-02).
- 8550 Datapoint Dr, Suite 200San Antonio, TX 78229
- 8550 Datapoint Dr, Suite Ll100San Antonio, TX 78229 (210) 615‑8308
Group practices
Medicare enrollment lists Bassem Mazloum as a member of this group (CMS data updated 2026-10-02).
- Gastroenterology Clinic of San Antonio PA8 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154374742 |
| 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