Quick answers
- Which hospitals does Ali Aamar work at?
- Medicare's official clinician data lists Ali Aamar at 3 hospitals: Houston Methodist Baytown Hospital, Houston Methodist Clear Lake Hospital and Houston Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ali Aamar see patients?
- Medicare's clinician data lists 2 practice locations, including Baytown, TX and Houston, TX. Call before your visit to confirm the address.
- What is Ali Aamar's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ali Aamar accept Medicare assignment?
- Yes. Medicare's clinician data says Ali Aamar 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 Ali Aamar?
- (832) 556-6625, as listed in official Medicare / NPI Registry data.
- What is Ali Aamar's NPI number?
- 1922419209. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ali Aamar works
Medicare's Facility Affiliation Data lists Ali Aamar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Baytown HospitalBaytown, TX · Acute Care Hospital · CCN 450424
- Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · CCN 450709
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · CCN 450358
Practice locations
Addresses where Ali Aamar is enrolled with Medicare (CMS data updated 2026-10-02).
- 4301 Garth Rd, Suite 212Baytown, TX 77521 (832) 556‑6625
- 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
Group practices
Medicare enrollment lists Ali Aamar as a member of these groups (CMS data updated 2026-10-02).
- TMH Physician Associates PLLC1,690 clinicians in the group
- Houston Methodist Specialty Physicians1,528 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922419209 |
| 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