Quick answers
- Does Dennis Fassman accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis Fassman 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 Dennis Fassman see?
- In 2024, CMS data shows 164 Original Medicare patients and 952 services for Dennis Fassman. This counts Original Medicare only and measures volume, not quality.
- What is Dennis Fassman's NPI number?
- 1528000437. 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 Dennis Fassman, 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 | 164 |
|---|---|
| Services billed to Medicare | 952 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Removal of fingernails or toenails, 1-5 nails (11720)186 services
- Removal of fingernails or toenails, 6 or more nails (11721)177 services
- Placement of strapping to ankle or foot (29540)124 services
- Simple or single drainage of skin abscess (10060)76 services
- Destruction of skin growth, 1-14 growths (17110)68 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%
- Arthritis59%
- Diabetes40%
- Ischemic heart disease37%
- Chronic kidney disease24%
Practice locations
Addresses where Dennis Fassman is enrolled with Medicare (CMS data updated October 2, 2026).
- 372 Post AveWestbury, NY 11590 (516) 333‑5566
- 372 Post Ave, Suite 104Westbury, NY 11590
Specialties
- Podiatryprimary
Other podiatrists in Westbury
Clinicians with the same Medicare primary specialty in Westbury, NY — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 1978 (48 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528000437 |
| 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