Quick answers
- Where does Mark A. Zaremba see patients?
- Medicare's clinician data lists 4 practice locations, including Oakmont, PA, Rochester, PA and Scranton, PA. Call before your visit to confirm the address.
- What is Mark A. Zaremba's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mark A. Zaremba accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Zaremba 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 A. Zaremba?
- (412) 828-5600, as listed in official Medicare / NPI Registry data.
- What is Mark A. Zaremba's NPI number?
- 1457450850. 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 A. Zaremba is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 Hulton RdOakmont, PA 15139 (412) 828‑5600
- 174 Virginia AveRochester, PA 15074 (724) 775‑6400
- 303 Smallacombe DrScranton, PA 18508 (570) 348‑1496
- 669 Washington RdPittsburgh, PA 15228 (412) 563‑1020
Group practices
Medicare enrollment lists Mark A. Zaremba as a member of this group (CMS data updated 2026-10-02).
- Onsight Health Care, LLC34 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Ohio State University - College Of Optometry |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457450850 |
| 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