Quick answers
- Which hospitals does Eric D. Seitelman work at?
- Medicare's official clinician data lists Eric D. Seitelman at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric D. Seitelman see patients?
- Medicare's clinician data lists 2 practice locations, including Valley Stream, NY and Merrick, NY. Call before your visit to confirm the address.
- What is Eric D. Seitelman's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Eric D. Seitelman accept Medicare assignment?
- Yes. Medicare's clinician data says Eric D. Seitelman 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 Eric D. Seitelman?
- (516) 632-3350, as listed in official Medicare / NPI Registry data.
- What is Eric D. Seitelman's NPI number?
- 1750601241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric D. Seitelman works
Medicare's Facility Affiliation Data lists Eric D. Seitelman 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 Eric D. Seitelman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 S Central AveValley Stream, NY 11580 (516) 632‑3350
- 2209 Merrick RdMerrick, NY 11566 (516) 546‑5000
Group practices
Medicare enrollment lists Eric D. Seitelman 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
- General Surgeryprimary
Other general surgeons in Valley Stream
Clinicians with the same Medicare primary specialty in Valley Stream, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750601241 |
| 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