Quick answers
- Which hospitals does Gregory Amend work at?
- Medicare's official clinician data lists Gregory Amend at 4 hospitals: Good Samaritan Hospital Medical Center, Hudson Valley Hospital Center, Mount Sinai West and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Amend see patients?
- Medicare's clinician data lists 5 practice locations, including Roslyn, NY, Cold Spring, NY and Cortlandt Manor, NY. Call before your visit to confirm the address.
- What is Gregory Amend's specialty?
- Medicare lists Urology as the primary specialty.
- Does Gregory Amend accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Amend 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 Gregory Amend?
- (516) 562-6000, as listed in official Medicare / NPI Registry data.
- What is Gregory Amend's NPI number?
- 1588076798. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Amend works
Medicare's Facility Affiliation Data lists Gregory Amend at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · CCN 330267
- Mount Sinai WestNew York, NY · Acute Care Hospital · CCN 330046
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Gregory Amend is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6000
- 1756 Route 9dCold Spring, NY 10516 (845) 809‑5661
- 1985 Crompond RdCortlandt Manor, NY 10567 (914) 739‑3597
- 2200 Northern Blvd, Suite 120Greenvale, NY 11548 (631) 465‑6431
- One Gustave L Levy PlaceNew York, NY 10029 (212) 241‑0045
Group practices
Medicare enrollment lists Gregory Amend as a member of these groups (CMS data updated 2026-10-02).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
- CHS Physician Partners PC743 clinicians in the group
- The Westchester Medical Practice PC196 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Roslyn
Clinicians with the same Medicare primary specialty in Roslyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588076798 |
| 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