Quick answers
- Which hospitals does Gannon Marsh work at?
- Medicare's official clinician data lists Gannon Marsh at 2 hospitals: University of Texas Health Science Center at Tyler and UT Health East Texas Athens Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gannon Marsh see patients?
- Medicare's clinician data lists 3 practice locations, including Athens, TX and Flint, TX. Call before your visit to confirm the address.
- What is Gannon Marsh's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Gannon Marsh accept Medicare assignment?
- Yes. Medicare's clinician data says Gannon Marsh 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 Gannon Marsh?
- (903) 825-3292, as listed in official Medicare / NPI Registry data.
- What is Gannon Marsh's NPI number?
- 1356706907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gannon Marsh works
Medicare's Facility Affiliation Data lists Gannon Marsh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Texas Health Science Center at TylerTyler, TX · Acute Care Hospital · CCN 450690
- UT Health East Texas Athens HospitalAthens, TX · Acute Care Hospital · CCN 450389
Practice locations
Addresses where Gannon Marsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 115 Medical CirAthens, TX 75751
- 18118 FM 344Flint, TX 75762 (903) 825‑3292
- 2000 S Palestine StAthens, TX 75751 (903) 676‑1000
Group practices
Medicare enrollment lists Gannon Marsh as a member of this group (CMS data updated 2026-10-02).
- ETMC Physician Group, Inc.381 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Athens
Clinicians with the same Medicare primary specialty in Athens, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356706907 |
| 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