Quick answers
- Where does Brian M. Leddy see patients?
- Medicare's clinician data lists 2 practice locations, including Brentwood, NY and Far Rockaway, NY. Call before your visit to confirm the address.
- What is Brian M. Leddy's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Brian M. Leddy accept Medicare assignment?
- Yes. Medicare's clinician data says Brian M. Leddy 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 Brian M. Leddy?
- (631) 273-7105, as listed in official Medicare / NPI Registry data.
- What is Brian M. Leddy's NPI number?
- 1851975957. 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 Brian M. Leddy is enrolled with Medicare (CMS data updated 2026-10-02).
- 160 4th St, Suite 1Brentwood, NY 11717 (631) 273‑7105
- 1612 Central Ave, Suite 201Far Rockaway, NY 11691 (516) 792‑1600
Group practices
Medicare enrollment lists Brian M. Leddy as a member of this group (CMS data updated 2026-10-02).
- Vantage Medical Associates PC83 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Brentwood
Clinicians with the same Medicare primary specialty in Brentwood, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851975957 |
| 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