Quick answers
- Which hospitals does Owen S. Maat work at?
- Medicare's official clinician data lists Owen S. Maat at 4 hospitals: Doctors Hosptal at Renaissance, Harlingen Medical Center, Lake Granbury Medical Center and Valley Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Owen S. Maat see patients?
- Medicare's clinician data lists 4 practice locations, including Granbury, TX and Harlingen, TX. Call before your visit to confirm the address.
- What is Owen S. Maat's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Owen S. Maat accept Medicare assignment?
- Yes. Medicare's clinician data says Owen S. Maat 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 Owen S. Maat?
- (817) 579-3922, as listed in official Medicare / NPI Registry data.
- What is Owen S. Maat's NPI number?
- 1295780609. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Owen S. Maat works
Medicare's Facility Affiliation Data lists Owen S. Maat at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Hosptal at RenaissanceEdinburg, TX · Acute Care Hospital · CCN 450869
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · CCN 450855
- Lake Granbury Medical CenterGranbury, TX · Acute Care Hospital · CCN 450596
- Valley Regional Medical CenterBrownsville, TX · Acute Care Hospital · CCN 450662
Practice locations
Addresses where Owen S. Maat is enrolled with Medicare (CMS data updated 2026-10-02).
- 1308 E Paluxy Rd, Suite 300Granbury, TX 76048 (817) 579‑3922
- 1310 Paluxy RdGranbury, TX 76048 (817) 579‑2963
- 512 Victoria Ln, Suite 2Harlingen, TX 78550 (956) 365‑4400
- 720 N 77 SunshinestripHarlingen, TX 78550 (956) 365‑4400
Group practices
Medicare enrollment lists Owen S. Maat as a member of these groups (CMS data updated 2026-10-02).
- Hood Medical Group56 clinicians in the group
- Gastroenterology Consultants of South Texas, PLLC42 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295780609 |
| 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