Quick answers
- Which hospitals does David I. Tarkoff work at?
- Medicare's official clinician data lists David I. Tarkoff at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David I. Tarkoff see patients?
- Medicare's clinician data lists 1 practice location in Hewlett, NY. Call before your visit to confirm the address.
- What is David I. Tarkoff's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does David I. Tarkoff accept Medicare assignment?
- Yes. Medicare's clinician data says David I. Tarkoff 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 David I. Tarkoff?
- (516) 764-5455, as listed in official Medicare / NPI Registry data.
- What is David I. Tarkoff's NPI number?
- 1982611109. 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 I. Tarkoff works
Medicare's Facility Affiliation Data lists David I. Tarkoff at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · CCN 330198
Practice locations
Addresses where David I. Tarkoff is enrolled with Medicare (CMS data updated 2026-10-02).
- 1420 BroadwayHewlett, NY 11557 (516) 764‑5455
Group practices
Medicare enrollment lists David I. Tarkoff as a member of this group (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Hewlett
Clinicians with the same Medicare primary specialty in Hewlett, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982611109 |
| 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