Quick answers
- Which hospitals does Michael Nissenbaum work at?
- Medicare's official clinician data lists Michael Nissenbaum at 3 hospitals: Long Island Jewish Medical Center, North Shore University Hospital and Northwell Hospital Glen Cove. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Nissenbaum see patients?
- Medicare's clinician data lists 2 practice locations, including Manhasset, NY and New Hyde Park, NY. Call before your visit to confirm the address.
- What is Michael Nissenbaum's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Michael Nissenbaum accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Nissenbaum 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 Michael Nissenbaum offer telehealth?
- Medicare's clinician data says Michael Nissenbaum offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Nissenbaum?
- (516) 876-5555, as listed in official Medicare / NPI Registry data.
- What is Michael Nissenbaum's NPI number?
- 1912288218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Nissenbaum works
Medicare's Facility Affiliation Data lists Michael Nissenbaum 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
- Northwell Hospital Glen CoveGlen Cove, NY · Acute Care Hospital · CCN 330181
Practice locations
Addresses where Michael Nissenbaum is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Community DrManhasset, NY 11030 (516) 876‑5555
- 3003 New Hyde Park Rd, Suite 200New Hyde Park, NY 11042 (516) 488‑1888
Group practices
Medicare enrollment lists Michael Nissenbaum as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- New York Neurologic Associates LLP7 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Manhasset
Clinicians with the same Medicare primary specialty in Manhasset, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912288218 |
| 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