Quick answers
- Does Sean M. Mascarenhas accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Mascarenhas 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 Sean M. Mascarenhas see?
- In 2024, CMS data shows 134 Original Medicare patients and 3,715 services for Sean M. Mascarenhas. This counts Original Medicare only and measures volume, not quality.
- What is Sean M. Mascarenhas's NPI number?
- 1558911941. 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 Sean M. Mascarenhas, 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 | 134 |
|---|---|
| Services billed to Medicare | 3,715 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)1,284 services
- Therapy procedure using manual technique, each 15 minutes (97140)932 services
- Therapy procedure using functional activities (97530)876 services
- Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)256 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)186 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%
- Arthritis75%
- Ischemic heart disease34%
- Diabetes30%
- Anxiety23%
Practice locations
Addresses where Sean M. Mascarenhas is enrolled with Medicare (CMS data updated October 2, 2026).
- 798 Route 9, Suite BFishkill, NY 12524 (845) 869‑3750
Group practices
Medicare enrollment lists Sean M. Mascarenhas as a member of this group (CMS data updated October 2, 2026).
- Harrison Physical Therapy PC5 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in Fishkill
Clinicians with the same Medicare primary specialty in Fishkill, NY — not a recommendation.
Other clinicians in Harrison Physical Therapy PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558911941 |
| 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