Quick answers
- Does Donald F. Switzer accept Medicare assignment?
- Yes. Medicare's clinician data says Donald F. Switzer 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 Donald F. Switzer see?
- In 2024, CMS data shows 621 Original Medicare patients and 2,676 services for Donald F. Switzer. This counts Original Medicare only and measures volume, not quality.
- What is Donald F. Switzer's NPI number?
- 1326098112. 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 Donald F. Switzer, 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 | 621 |
|---|---|
| Services billed to Medicare | 2,676 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)593 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)355 services
- Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)268 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)175 services
- Programming of dual lead pacemaker system (93280)173 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%
- Atrial fibrillation60%
- Ischemic heart disease54%
- Heart failure52%
- Arthritis48%
Hospitals where Donald F. Switzer works
Medicare's Facility Affiliation Data lists Donald F. Switzer 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.
- Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
Practice locations
Addresses where Donald F. Switzer is enrolled with Medicare (CMS data updated October 2, 2026).
- 705 Maple RdWilliamsville, NY 14221 (716) 656‑4077
Group practices
Medicare enrollment lists Donald F. Switzer as a member of this group (CMS data updated October 2, 2026).
- General Physician PC501 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, 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 | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326098112 |
| 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