Quick answers
- Which hospitals does Adena N. Leder work at?
- Medicare's official clinician data lists Adena N. Leder at 2 hospitals: Long Island Jewish Medical Center and North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Adena N. Leder see patients?
- Medicare's clinician data lists 2 practice locations, including Greenvale, NY and Old Westbury, NY. Call before your visit to confirm the address.
- What is Adena N. Leder's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Adena N. Leder accept Medicare assignment?
- Yes. Medicare's clinician data says Adena N. Leder 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 Adena N. Leder offer telehealth?
- Medicare's clinician data says Adena N. Leder offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Adena N. Leder?
- (516) 686-1300, as listed in official Medicare / NPI Registry data.
- What is Adena N. Leder's NPI number?
- 1174648745. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Adena N. Leder works
Medicare's Facility Affiliation Data lists Adena N. Leder 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
Practice locations
Addresses where Adena N. Leder is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Northern BlvdGreenvale, NY 11548 (516) 686‑1300
- PO Box, Suite 8000Old Westbury, NY 11568
Group practices
Medicare enrollment lists Adena N. Leder as a member of this group (CMS data updated 2026-10-02).
- New York Institute of Technology43 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174648745 |
| 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