Quick answers
- Does Joseph J. Castelli Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph J. Castelli Jr. 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 Joseph J. Castelli Jr. see?
- In 2024, CMS data shows 25 Original Medicare patients and 2,038 services for Joseph J. Castelli Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Joseph J. Castelli Jr.'s NPI number?
- 1003880048. 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 Joseph J. Castelli Jr., 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 | 25 |
|---|---|
| Services billed to Medicare | 2,038 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)1,007 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)501 services
- Therapy procedure using functional activities (97530)405 services
- Evaluation for physical therapy, typically 20 minutes (97161)13 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 blood pressure72%
- High cholesterol64%
Practice locations
Addresses where Joseph J. Castelli Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 119 W 23rd St, Suite 804New York, NY 10011 (646) 725‑7199
- 430 E 86th St, Apt 1cNew York, NY 10028 (646) 701‑4662
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.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003880048 |
| 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