Quick answers
- Which hospitals does Sinan Kadayifci work at?
- Medicare's official clinician data lists Sinan Kadayifci at 5 hospitals: Long Island Jewish Medical Center, North Shore University Hospital, Ns/Lij HS Huntington Hospital, Ns/Lij HS Southside Hospital and Peconic Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sinan Kadayifci see patients?
- Medicare's clinician data lists 3 practice locations, including North Babylon, NY, Manhasset, NY and Lake Ronkonkoma, NY. Call before your visit to confirm the address.
- What is Sinan Kadayifci's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Cardiac Electrophysiology.
- Does Sinan Kadayifci accept Medicare assignment?
- Yes. Medicare's clinician data says Sinan Kadayifci 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 Sinan Kadayifci?
- (631) 586-2700, as listed in official Medicare / NPI Registry data.
- What is Sinan Kadayifci's NPI number?
- 1730168246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sinan Kadayifci works
Medicare's Facility Affiliation Data lists Sinan Kadayifci 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
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · CCN 330045
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · CCN 330043
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
Practice locations
Addresses where Sinan Kadayifci is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Bay Shore RdNorth Babylon, NY 11703 (631) 586‑2700
- 300 Community DrManhasset, NY 11030 (516) 562‑3058
- 640 Hawkins AveLake Ronkonkoma, NY 11779 (631) 737‑0100
Group practices
Medicare enrollment lists Sinan Kadayifci as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Advantagecare Physicians PC303 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730168246 |
| 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