Quick answers
- Does Marcy A. Masyga accept Medicare assignment?
- Yes. Medicare's clinician data says Marcy A. Masyga 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 Marcy A. Masyga see?
- In 2024, CMS data shows 146 Original Medicare patients and 652 services for Marcy A. Masyga. This counts Original Medicare only and measures volume, not quality.
- What is Marcy A. Masyga's NPI number?
- 1497192330. 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 Marcy A. Masyga, 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 | 146 |
|---|---|
| Services billed to Medicare | 652 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)182 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)133 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)105 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)33 services
- Administration of influenza virus vaccine (G0008)25 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 cholesterol75%
- High blood pressure64%
- Arthritis32%
- Depression23%
- Anxiety23%
- Chronic kidney disease23%
Hospitals where Marcy A. Masyga works
Medicare's Facility Affiliation Data lists Marcy A. Masyga 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.
- Bertrand Chaffee HospitalSpringville, NY · Acute Care Hospital · Emergency services: listed by Medicare · CCN 330111
- Brooks-Tlc Hospital System, IncDunkirk, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330229
- Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
- Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103
Practice locations
Addresses where Marcy A. Masyga is enrolled with Medicare (CMS data updated October 2, 2026).
- 3898 Vineyard DrDunkirk, NY 14048 (716) 710‑8266
Group practices
Medicare enrollment lists Marcy A. Masyga as a member of this group (CMS data updated October 2, 2026).
- General Physician PC501 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Dunkirk
Clinicians with the same Medicare primary specialty in Dunkirk, NY — not a recommendation.
Other clinicians in General Physician PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497192330 |
| 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