Quick answers
- Where does Mark E. Clement see patients?
- Medicare's clinician data lists 2 practice locations, including Greencastle, PA and Pittsburgh, PA. Call before your visit to confirm the address.
- What is Mark E. Clement's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mark E. Clement accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Clement 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 Mark E. Clement?
- (717) 597-4780, as listed in official Medicare / NPI Registry data.
- What is Mark E. Clement's NPI number?
- 1780666966. 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 Mark E. Clement is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 S Antrim WayGreencastle, PA 17225 (717) 597‑4780
- 461 Cochran Rd, Suite 2Pittsburgh, PA 15228 (412) 341‑1441
Group practices
Medicare enrollment lists Mark E. Clement as a member of these groups (CMS data updated 2026-10-02).
- Myeyedr Optometry of Pennsylvania LLC119 clinicians in the group
- Jaywalker Optometry LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Greencastle
Clinicians with the same Medicare primary specialty in Greencastle, PA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Pennsylvania College Of Optometry |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780666966 |
| 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