Quick answers
- Which hospitals does Marci Ostroff work at?
- Medicare's official clinician data lists Marci Ostroff at 3 hospitals: Long Island Jewish Medical Center, North Shore University Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marci Ostroff see patients?
- Medicare's clinician data lists 2 practice locations, including New Hyde Park, NY. Call before your visit to confirm the address.
- What is Marci Ostroff's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Marci Ostroff accept Medicare assignment?
- Yes. Medicare's clinician data says Marci Ostroff 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.
- Does Marci Ostroff offer telehealth?
- Medicare's clinician data says Marci Ostroff offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Marci Ostroff's NPI number?
- 1295731461. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marci Ostroff works
Medicare's Facility Affiliation Data lists Marci Ostroff at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Marci Ostroff is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 Marcus AveNew Hyde Park, NY 11042
- 410 Lakeville Rd, Suite 305New Hyde Park, NY 11042
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295731461 |
| 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