Quick answers
- Does Charles A. Wisniewski accept Medicare assignment?
- Yes. Medicare's clinician data says Charles A. Wisniewski 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 Charles A. Wisniewski's NPI number?
- 1770997587. 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 Charles A. Wisniewski is enrolled with Medicare (CMS data updated October 2, 2026).
- 130 S Bryn Mawr AveBryn Mawr, PA 19010
- 130 S Bryn Mawr Ave H, 321 Gvh Hospital Medical Services BrynBryn Mawr, PA 19010 (484) 337‑4097
- 1500 Market StPhiladelphia, PA 19102 (267) 615‑1720
- 501 S 54th StPhiladelphia, PA 19143 (215) 731‑2406
Group practices
Medicare enrollment lists Charles A. Wisniewski as a member of these groups (CMS data updated October 2, 2026).
- Main Line Healthcare1,184 clinicians in the group
- Public Health Management Corporation28 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Bryn Mawr
Clinicians with the same Medicare primary specialty in Bryn Mawr, PA — not a recommendation.
Other clinicians in Main Line Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770997587 |
| 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 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