Quick answers
- Which hospitals does Mary Grace E. Castro work at?
- Medicare's official clinician data lists Mary Grace E. Castro at 1 hospital: NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary Grace E. Castro see patients?
- Medicare's clinician data lists 6 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Mary Grace E. Castro's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mary Grace E. Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Grace E. Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mary Grace E. Castro?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Mary Grace E. Castro's NPI number?
- 1609338227. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Grace E. Castro works
Medicare's Facility Affiliation Data lists Mary Grace E. Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Mary Grace E. Castro is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 16 Th St and 1st AveNew York, NY 10003 (212) 420‑2000
- 301 E 17th StNew York, NY 10003 (212) 263‑7300
- 530 1st AveNew York, NY 10016 (212) 263‑7300
- 550 1st AveNew York, NY 10016 (212) 263‑7300
Group practices
Medicare enrollment lists Mary Grace E. Castro as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609338227 |
| 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 2026-10-02, retrieved 2026-10-29
- 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