Quick answers
- Does Marissa Amatruda accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Amatruda 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 Marissa Amatruda see?
- In 2024, CMS data shows 64 Original Medicare patients and 2,145 services for Marissa Amatruda. This counts Original Medicare only and measures volume, not quality.
- What is Marissa Amatruda's NPI number?
- 1700644861. 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 Marissa Amatruda, 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 | 64 |
|---|---|
| Services billed to Medicare | 2,145 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)982 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)635 services
- Therapy procedure using manual technique, each 15 minutes (97140)420 services
- Training for self-care or home management, each 15 minutes (97535)55 services
- Evaluation for physical therapy, typically 20 minutes (97161)46 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).
- Arthritis75%
- High cholesterol72%
- High blood pressure55%
- Ischemic heart disease31%
- Osteoporosis28%
- Anxiety25%
Practice locations
Addresses where Marissa Amatruda is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 Columbus CirNew York, NY 10019 (646) 222‑9610
Group practices
Medicare enrollment lists Marissa Amatruda as a member of this group (CMS data updated October 2, 2026).
- Spear Physical and Occupational Therapy, LLC593 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Spear Physical and Occupational Therapy, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700644861 |
| 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