Quick answers
- Where does Martha Castro see patients?
- Medicare's clinician data lists 1 practice location in Bronx, NY. Call before your visit to confirm the address.
- What is Martha Castro's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Martha Castro accept Medicare assignment?
- Medicare's clinician data says Martha Castro may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Martha Castro?
- (866) 411-0455, as listed in official Medicare / NPI Registry data.
- What is Martha Castro's NPI number?
- 1104143056. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Martha Castro is enrolled with Medicare (CMS data updated 2026-10-02).
- 1250 Waters Pl, Suite 903Bronx, NY 10461 (866) 411‑0455
Group practices
Medicare enrollment lists Martha Castro as a member of this group (CMS data updated 2026-10-02).
- Shein Orthopaedics, PLLC2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1104143056 |
| 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 2026-10-02, retrieved 2026-10-29
- 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