Quick answers
- Which hospitals does David Sedaghat work at?
- Medicare's official clinician data lists David Sedaghat at 3 hospitals: Long Island Jewish Medical Center, North Shore University Hospital and Ns/Lij HS Southside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Sedaghat see patients?
- Medicare's clinician data lists 1 practice location in Seaford, NY. Call before your visit to confirm the address.
- What is David Sedaghat's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does David Sedaghat accept Medicare assignment?
- Yes. Medicare's clinician data says David Sedaghat 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 David Sedaghat offer telehealth?
- Medicare's clinician data says David Sedaghat offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David Sedaghat?
- (516) 809-4200, as listed in official Medicare / NPI Registry data.
- What is David Sedaghat's NPI number?
- 1538364112. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Sedaghat works
Medicare's Facility Affiliation Data lists David Sedaghat 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 Southside HospitalBay Shore, NY · Acute Care Hospital · CCN 330043
Practice locations
Addresses where David Sedaghat is enrolled with Medicare (CMS data updated 2026-10-02).
- 850 Hicksville Rd, Suite 104Seaford, NY 11783 (516) 809‑4200
Group practices
Medicare enrollment lists David Sedaghat as a member of this group (CMS data updated 2026-10-02).
- Northwell Healthcare Inc18 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Seaford
Clinicians with the same Medicare primary specialty in Seaford, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538364112 |
| 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