Quick answers
- Which hospitals does Cornell M. Cohen work at?
- Medicare's official clinician data lists Cornell M. Cohen at 3 hospitals: John T Mather Memorial Hospital of Port Jefferson, North Shore University Hospital and St Catherine of Siena Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cornell M. Cohen see patients?
- Medicare's clinician data lists 1 practice location in Smithtown, NY. Call before your visit to confirm the address.
- What is Cornell M. Cohen's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Cornell M. Cohen accept Medicare assignment?
- Yes. Medicare's clinician data says Cornell M. Cohen 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 Cornell M. Cohen offer telehealth?
- Medicare's clinician data says Cornell M. Cohen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cornell M. Cohen?
- (631) 724-1331, as listed in official Medicare / NPI Registry data.
- What is Cornell M. Cohen's NPI number?
- 1841204526. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cornell M. Cohen works
Medicare's Facility Affiliation Data lists Cornell M. Cohen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
Practice locations
Addresses where Cornell M. Cohen is enrolled with Medicare (CMS data updated 2026-10-02).
- 9 Brooksite DrSmithtown, NY 11787 (631) 724‑1331
Group practices
Medicare enrollment lists Cornell M. Cohen as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Smithtown
Clinicians with the same Medicare primary specialty in Smithtown, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841204526 |
| 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