Quick answers
- Where does Brett A. Dietz see patients?
- Medicare's clinician data lists 2 practice locations, including Granville, OH and Millersport, OH. Call before your visit to confirm the address.
- What is Brett A. Dietz's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Brett A. Dietz accept Medicare assignment?
- Yes. Medicare's clinician data says Brett A. Dietz 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 Brett A. Dietz?
- (740) 587-4970, as listed in official Medicare / NPI Registry data.
- What is Brett A. Dietz's NPI number?
- 1356441802. 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 Brett A. Dietz is enrolled with Medicare (CMS data updated 2026-10-02).
- 114 N Galway DrGranville, OH 43023 (740) 587‑4970
- 12464 Lancaster StMillersport, OH 43046 (740) 467‑2525
Specialties
- Optometryprimary
Other optometrists in Granville
Clinicians with the same Medicare primary specialty in Granville, OH — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Ohio State University - College Of Optometry |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356441802 |
| 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