Quick answers
- Which hospitals does Dean Pappas work at?
- Medicare's official clinician data lists Dean Pappas at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dean Pappas see patients?
- Medicare's clinician data lists 2 practice locations, including Garden City, NY and Westbury, NY. Call before your visit to confirm the address.
- What is Dean Pappas's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty.
- Does Dean Pappas accept Medicare assignment?
- Yes. Medicare's clinician data says Dean Pappas 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 Dean Pappas offer telehealth?
- Medicare's clinician data says Dean Pappas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Dean Pappas?
- (516) 248-2422, as listed in official Medicare / NPI Registry data.
- What is Dean Pappas's NPI number?
- 1942205901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dean Pappas works
Medicare's Facility Affiliation Data lists Dean Pappas 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 Dean Pappas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Franklin Ave, Suite 203Garden City, NY 11530 (516) 248‑2422
- 865 Merrick Ave, Suite 150nWestbury, NY 11590 (516) 542‑3636
Group practices
Medicare enrollment lists Dean Pappas 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
Find other Colorectal Surgery (Proctology) doctors in New York →
Other colorectal surgeons in Garden City
Clinicians with the same Medicare primary specialty in Garden City, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1942205901 |
| 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