Quick answers
- Where does Thomas W. Mieras see patients?
- Medicare's clinician data lists 3 practice locations, including Tyler, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Thomas W. Mieras's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Thomas W. Mieras accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas W. Mieras 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 W. Mieras offer telehealth?
- Medicare's clinician data says Thomas W. Mieras offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas W. Mieras?
- (903) 606-4900, as listed in official Medicare / NPI Registry data.
- What is Thomas W. Mieras's NPI number?
- 1578564787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Thomas W. Mieras is enrolled with Medicare (CMS data updated 2026-10-02).
- 620 S Fleishel Ave, CHRISTUS Trinity ClinicTyler, TX 75701 (903) 606‑4900
- 630 S Fleishel AveTyler, TX 75701 (903) 606‑5560
- PO Box, Suite 846098Dallas, TX 75284
Group practices
Medicare enrollment lists Thomas W. Mieras as a member of this group (CMS data updated 2026-10-02).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Tyler
Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578564787 |
| 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
- 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