Quick answers
- Which hospitals does Mark R. Kahn work at?
- Medicare's official clinician data lists Mark R. Kahn at 5 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center, North Shore University Hospital, Plainview Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Kahn see patients?
- Medicare's clinician data lists 1 practice location in Melville, NY. Call before your visit to confirm the address.
- What is Mark R. Kahn's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Mark R. Kahn accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Kahn 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 Mark R. Kahn?
- (631) 251-9151, as listed in official Medicare / NPI Registry data.
- What is Mark R. Kahn's NPI number?
- 1134443112. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark R. Kahn works
Medicare's Facility Affiliation Data lists Mark R. Kahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- Plainview HospitalPlainview, NY · Acute Care Hospital · CCN 330331
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Mark R. Kahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 Old Country Rd, Suite 170Melville, NY 11747 (631) 251‑9151
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 |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134443112 |
| 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