Quick answers
- Which hospitals does Seth Keller work at?
- Medicare's official clinician data lists Seth Keller at 3 hospitals: Flushing Hospital Medical Center, Jamaica Hospital Medical Center and Lenox Hill Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seth Keller see patients?
- Medicare's clinician data lists 6 practice locations, including New York, NY and Jamaica, NY. Call before your visit to confirm the address.
- What is Seth Keller's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Cardiac Electrophysiology.
- Does Seth Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Seth Keller 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 Seth Keller offer telehealth?
- Medicare's clinician data says Seth Keller offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Seth Keller?
- (212) 434-6400, as listed in official Medicare / NPI Registry data.
- What is Seth Keller's NPI number?
- 1598764946. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seth Keller works
Medicare's Facility Affiliation Data lists Seth Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flushing Hospital Medical CenterFlushing, NY · Acute Care Hospital · CCN 330193
- Jamaica Hospital Medical CenterJamaica, NY · Acute Care Hospital · CCN 330014
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
Practice locations
Addresses where Seth Keller is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 130 E 77th StNew York, NY 10075 (212) 434‑6400
- 13420 Jamaica Ave, Fl 1Jamaica, NY 11418 (718) 206‑6742
- 13420 Jamaica Ave, Fl 3Jamaica, NY 11418 (718) 206‑6982
- 401 E 55th StNew York, NY 10022 (212) 390‑1020
- 8900 Van Wyck ExpyJamaica, NY 11418 (718) 206‑6601
Group practices
Medicare enrollment lists Seth Keller as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Jamaica Hospital255 clinicians in the group
- TJH Medical Services PC219 clinicians in the group
- Heart Rhythm Associates PLLC2 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, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598764946 |
| 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