Quick answers
- Which hospitals does Marc B. Hazan work at?
- Medicare's official clinician data lists Marc B. Hazan at 1 hospital: Ns/Lij HS Huntington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc B. Hazan see patients?
- Medicare's clinician data lists 3 practice locations, including Huntington, NY, Glen Cove, NY and Mount Kisco, NY. Call before your visit to confirm the address.
- What is Marc B. Hazan's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Marc B. Hazan accept Medicare assignment?
- Yes. Medicare's clinician data says Marc B. Hazan 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 Marc B. Hazan?
- (631) 351-2000, as listed in official Medicare / NPI Registry data.
- What is Marc B. Hazan's NPI number?
- 1952413809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc B. Hazan works
Medicare's Facility Affiliation Data lists Marc B. Hazan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · CCN 330045
Practice locations
Addresses where Marc B. Hazan is enrolled with Medicare (CMS data updated 2026-10-02).
- 270 Park AveHuntington, NY 11743 (631) 351‑2000
- 70 Glen St, Suite 200Glen Cove, NY 11542 (516) 484‑7893
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Marc B. Hazan as a member of these groups (CMS data updated 2026-10-02).
- Optum Medical Care PC1,010 clinicians in the group
- North Shore Lij Medical Group at North Nassau, PC35 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Huntington
Clinicians with the same Medicare primary specialty in Huntington, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952413809 |
| 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