Quick answers
- Which hospitals does Gerard Hanley work at?
- Medicare's official clinician data lists Gerard Hanley at 3 hospitals: Hudson Valley Hospital Center, Mount Sinai Beth Israel and Mount Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerard Hanley see patients?
- Medicare's clinician data lists 3 practice locations, including Brooklyn, NY, Flushing, NY and Cortlandt Manor, NY. Call before your visit to confirm the address.
- What is Gerard Hanley's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Gerard Hanley accept Medicare assignment?
- Medicare's clinician data says Gerard Hanley may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Gerard Hanley?
- (718) 421-1212, as listed in official Medicare / NPI Registry data.
- What is Gerard Hanley's NPI number?
- 1275574477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerard Hanley works
Medicare's Facility Affiliation Data lists Gerard Hanley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · CCN 330267
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
Practice locations
Addresses where Gerard Hanley is enrolled with Medicare (CMS data updated 2026-10-02).
- 1122 Ave PBrooklyn, NY 11229 (718) 421‑1212
- 14040 Sanford AveFlushing, NY 11355 (718) 299‑7295
- 1980 Crompond RdCortlandt Manor, NY 10567 (914) 737‑9000
Group practices
Medicare enrollment lists Gerard Hanley as a member of these groups (CMS data updated 2026-10-02).
- The Westchester Medical Practice PC196 clinicians in the group
- Bronx Medical Practice PC130 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1275574477 |
| 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