Quick answers
- Does Marci R. Zelenski accept Medicare assignment?
- Yes. Medicare's clinician data says Marci R. Zelenski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Marci R. Zelenski's NPI number?
- 1841278603. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marci R. Zelenski works
Medicare's Facility Affiliation Data lists Marci R. Zelenski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Penn Highlands Mon ValleyMonongahela, PA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 390147
Practice locations
Addresses where Marci R. Zelenski is enrolled with Medicare (CMS data updated October 2, 2026).
- 119 Wilson RdBentleyville, PA 15314 (724) 239‑4700
- 1200 McKean Ave, Suite 104Charleroi, PA 15022
Group practices
Medicare enrollment lists Marci R. Zelenski as a member of this group (CMS data updated October 2, 2026).
- Southwest Medical Center, Inc8 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Southwest Medical Center, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841278603 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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