Quick answers
- Where does Leonard V. Gioia see patients?
- Medicare's clinician data lists 2 practice locations, including Bay Shore, NY. Call before your visit to confirm the address.
- What is Leonard V. Gioia's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Leonard V. Gioia accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard V. Gioia 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 Leonard V. Gioia?
- (631) 666-6275, as listed in official Medicare / NPI Registry data.
- What is Leonard V. Gioia's NPI number?
- 1710901558. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Leonard V. Gioia is enrolled with Medicare (CMS data updated 2026-10-02).
- 53 Brentwood RdBay Shore, NY 11706 (631) 666‑6275
- 53 Brentwood Rd, Suite EBay Shore, NY 11706
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710901558 |
| 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
- 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