Quick answers
- Does Oscar M. Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar M. Castillo 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 Oscar M. Castillo see?
- In 2024, CMS data shows 456 Original Medicare patients and 2,763 services for Oscar M. Castillo. This counts Original Medicare only and measures volume, not quality.
- What is Oscar M. Castillo's NPI number?
- 1184974735. 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 Oscar M. Castillo, 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 | 456 |
|---|---|
| Services billed to Medicare | 2,763 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Trimming of fingernails or toenails (11719)429 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)425 services
- X-ray of foot, 2 views (73620)425 services
- Removal of fingernails or toenails, 6 or more nails (11721)296 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)155 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%
- Diabetes62%
- Arthritis43%
- Chronic kidney disease32%
- Ischemic heart disease30%
Hospitals where Oscar M. Castillo works
Medicare's Facility Affiliation Data lists Oscar M. Castillo 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.
- St Joseph's Medical CenterYonkers, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330006
Practice locations
Addresses where Oscar M. Castillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 2425 Eastchester RdBronx, NY 10469 (718) 792‑5900
Specialties
- Podiatryprimary
Other podiatrists in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 2011 (15 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184974735 |
| 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