Quick answers
- Which hospitals does Gregory T. Simonian work at?
- Medicare's official clinician data lists Gregory T. Simonian at 3 hospitals: Hackensack University Medical Center, JFK University Medical Center and Palisades Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory T. Simonian see patients?
- Medicare's clinician data lists 1 practice location in Hackensack, NJ. Call before your visit to confirm the address.
- What is Gregory T. Simonian's specialty?
- Medicare lists General Surgery as the primary specialty, and also Vascular Surgery.
- Does Gregory T. Simonian accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory T. Simonian 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 T. Simonian?
- (201) 487-8882, as listed in official Medicare / NPI Registry data.
- What is Gregory T. Simonian's NPI number?
- 1528017944. 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 T. Simonian works
Medicare's Facility Affiliation Data lists Gregory T. Simonian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
- JFK University Medical CenterEdison, NJ · Acute Care Hospital · CCN 310108
- Palisades Medical CenterNorth Bergen, NJ · Acute Care Hospital · CCN 310003
Practice locations
Addresses where Gregory T. Simonian is enrolled with Medicare (CMS data updated 2026-10-02).
- 211 Essex St, Suite 102Hackensack, NJ 07601 (201) 487‑8882
Group practices
Medicare enrollment lists Gregory T. Simonian as a member of this group (CMS data updated 2026-10-02).
- Bergen Surgical Specialists, P.A.6 clinicians in the group
Specialties
- General Surgeryprimary
- Vascular Surgeryalso
Other general surgeons in Hackensack
Clinicians with the same Medicare primary specialty in Hackensack, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528017944 |
| 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