Quick answers
- Which hospitals does Robert J. Bonasera work at?
- Medicare's official clinician data lists Robert J. Bonasera at 2 hospitals: Chsli St Joseph Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert J. Bonasera see patients?
- Medicare's clinician data lists 1 practice location in Garden City, NY. Call before your visit to confirm the address.
- What is Robert J. Bonasera's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Robert J. Bonasera accept Medicare assignment?
- Yes. Medicare's clinician data says Robert J. Bonasera 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 Robert J. Bonasera?
- (516) 222-0067, as listed in official Medicare / NPI Registry data.
- What is Robert J. Bonasera's NPI number?
- 1073537767. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert J. Bonasera works
Medicare's Facility Affiliation Data lists Robert J. Bonasera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · CCN 330332
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Robert J. Bonasera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1205 Franklin Ave, Suite 150Garden City, NY 11530 (516) 222‑0067
Group practices
Medicare enrollment lists Robert J. Bonasera as a member of this group (CMS data updated 2026-10-02).
- Islandwide Gastroenterology PC5 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Garden City
Clinicians with the same Medicare primary specialty in Garden City, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073537767 |
| 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