Quick answers
- Which hospitals does David Pfeffer work at?
- Medicare's official clinician data lists David Pfeffer at 5 hospitals: Long Island Jewish Medical Center, Mount Sinai Hospital, Mount Sinai South Nassau, Nassau University Medical Center and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Pfeffer see patients?
- Medicare's clinician data lists 3 practice locations, including Oceanside, NY and Wantagh, NY. Call before your visit to confirm the address.
- What is David Pfeffer's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does David Pfeffer accept Medicare assignment?
- Yes. Medicare's clinician data says David Pfeffer 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 Pfeffer?
- (516) 632-4656, as listed in official Medicare / NPI Registry data.
- What is David Pfeffer's NPI number?
- 1205819117. 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 Pfeffer works
Medicare's Facility Affiliation Data lists David Pfeffer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · CCN 330198
- Nassau University Medical CenterEast Meadow, NY · Acute Care Hospital · CCN 330027
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where David Pfeffer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Healthy WayOceanside, NY 11572 (516) 632‑4656
- 2020 Wantagh Ave, Mount Sinai Doctors WantaghWantagh, NY 11793 (516) 961‑4545
- 440 Merrick RdOceanside, NY 11572 (516) 632‑4656
Group practices
Medicare enrollment lists David Pfeffer as a member of these groups (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
- Icahn School of Medicine at Mount Sinai20 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205819117 |
| 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