Quick answers
- Which hospitals does Thomas N. Dewar work at?
- Medicare's official clinician data lists Thomas N. Dewar at 2 hospitals: Texas Health Harris Methodist Fort Worth and Texas Health Harris Methodist Hospital Southwest F…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas N. Dewar see patients?
- Medicare's clinician data lists 3 practice locations, including Keller, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Thomas N. Dewar's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Thomas N. Dewar accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas N. Dewar 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 Thomas N. Dewar offer telehealth?
- Medicare's clinician data says Thomas N. Dewar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas N. Dewar?
- (817) 741-4347, as listed in official Medicare / NPI Registry data.
- What is Thomas N. Dewar's NPI number?
- 1811988587. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas N. Dewar works
Medicare's Facility Affiliation Data lists Thomas N. Dewar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Texas Health Harris Methodist Fort WorthFort Worth, TX · Acute Care Hospital · CCN 450135
- Texas Health Harris Methodist Hospital Southwest F…Fort Worth, TX · Acute Care Hospital · CCN 450779
Practice locations
Addresses where Thomas N. Dewar is enrolled with Medicare (CMS data updated 2026-10-02).
- 601 S Main StKeller, TX 76248 (817) 741‑4347
- P O Box, Suite 35629Dallas, TX 75235
- PO Box, Suite 35629Dallas, TX 75235
Group practices
Medicare enrollment lists Thomas N. Dewar as a member of this group (CMS data updated 2026-10-02).
- Texas Digestive Disease Consultants, PLLC608 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Keller
Clinicians with the same Medicare primary specialty in Keller, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811988587 |
| 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