Quick answers
- Does Marisa C. Muir accept Medicare assignment?
- Yes. Medicare's clinician data says Marisa C. Muir 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 Marisa C. Muir see?
- In 2024, CMS data shows 185 Original Medicare patients and 1,503 services for Marisa C. Muir. This counts Original Medicare only and measures volume, not quality.
- What is Marisa C. Muir's NPI number?
- 1497893523. 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 Marisa C. Muir, 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 | 185 |
|---|---|
| Services billed to Medicare | 1,503 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)299 services
- Insertion of needle into vein for collection of blood sample (36415)193 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)166 services
- Annual depression screening, 5 to 15 minutes (G0444)128 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)127 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 blood pressure75%
- High cholesterol75%
- Diabetes37%
- Chronic kidney disease25%
- Ischemic heart disease23%
- Arthritis22%
Practice locations
Addresses where Marisa C. Muir is enrolled with Medicare (CMS data updated October 2, 2026).
- 2938 Knights RdBensalem, PA 19020 (215) 639‑1460
- 339 E St Rd, Stoltz and Hahn Medical AssociatesTrevose, PA 19053 (215) 464‑4111
Group practices
Medicare enrollment lists Marisa C. Muir as a member of this group (CMS data updated October 2, 2026).
- Pinnacle Physicians Group LLC32 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bensalem
Clinicians with the same Medicare primary specialty in Bensalem, PA — not a recommendation.
Other clinicians in Pinnacle Physicians Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497893523 |
| 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
- 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