Quick answers
- Where does Gregory V. Ferrell see patients?
- Medicare's clinician data lists 1 practice location in Marion, OH. Call before your visit to confirm the address.
- What is Gregory V. Ferrell's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Gregory V. Ferrell accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory V. Ferrell 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 Gregory V. Ferrell?
- (740) 387-8414, as listed in official Medicare / NPI Registry data.
- What is Gregory V. Ferrell's NPI number?
- 1255770772. 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 Gregory V. Ferrell is enrolled with Medicare (CMS data updated 2026-10-02).
- 399 E Church StMarion, OH 43302 (740) 387‑8414
Group practices
Medicare enrollment lists Gregory V. Ferrell as a member of this group (CMS data updated 2026-10-02).
- Premier Optometry Group, LLC5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Marion
Clinicians with the same Medicare primary specialty in Marion, OH — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Ohio State University - College Of Optometry |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255770772 |
| 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