Quick answers
- Does Meredith R. Wisniewski accept Medicare assignment?
- Yes. Medicare's clinician data says Meredith R. 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.
- How many Medicare patients does Meredith R. Wisniewski see?
- In 2024, CMS data shows 49 Original Medicare patients and 58 services for Meredith R. Wisniewski. This counts Original Medicare only and measures volume, not quality.
- What is Meredith R. Wisniewski's NPI number?
- 1356596878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Meredith R. Wisniewski, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 49 |
|---|---|
| Services billed to Medicare | 58 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol71%
- High blood pressure67%
- Anxiety55%
- Arthritis51%
- Depression45%
- Diabetes24%
Hospitals where Meredith R. Wisniewski works
Medicare's Facility Affiliation Data lists Meredith R. Wisniewski 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.
- Canonsburg General HospitalCanonsburg, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390160
- Jefferson HospitalJefferson Hills, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390265
Practice locations
Addresses where Meredith R. Wisniewski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1307 Federal StPittsburgh, PA 15212
- 1307 Federal St, Suite B100Pittsburgh, PA 15212 (412) 359‑8900
- 565 Coal Valley RdJefferson Hills, PA 15025 (412) 267‑6901
- 565 Coal Valley Rd, Fl 2Jefferson Hills, PA 15025 (412) 578‑7457
- 575 Coal Valley Rd, Suite 209Clairton, PA 15025 (412) 267‑6600
Group practices
Medicare enrollment lists Meredith R. Wisniewski as a member of this group (CMS data updated October 2, 2026).
- Allegheny Clinic2,389 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Other clinicians in Allegheny Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356596878 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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