Quick answers
- Where does Matthew Marshall see patients?
- Medicare's clinician data lists 3 practice locations, including Athens, TX and Tyler, TX. Call before your visit to confirm the address.
- What is Matthew Marshall's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Matthew Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Marshall 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 Matthew Marshall's NPI number?
- 1184936353. 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 Matthew Marshall is enrolled with Medicare (CMS data updated 2026-10-02).
Group practices
Medicare enrollment lists Matthew Marshall as a member of this group (CMS data updated 2026-10-02).
- Charles L. Heaton, M.D. P.A.18 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Athens
Clinicians with the same Medicare primary specialty in Athens, TX — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern College Of Optometry |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184936353 |
| 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