Quick answers
- Where does Gerald E. Nissley see patients?
- Medicare's clinician data lists 1 practice location in Marshall, TX. Call before your visit to confirm the address.
- What is Gerald E. Nissley's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Gerald E. Nissley accept Medicare assignment?
- Yes. Medicare's clinician data says Gerald E. Nissley 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 Gerald E. Nissley?
- (903) 471-0274, as listed in official Medicare / NPI Registry data.
- What is Gerald E. Nissley's NPI number?
- 1225332711. 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 Gerald E. Nissley is enrolled with Medicare (CMS data updated 2026-10-02).
- 505 E Travis St, Suite 208Marshall, TX 75670 (903) 471‑0274
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225332711 |
| 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