Quick answers
- Where does Robert I. Rattiner see patients?
- Medicare's clinician data lists 1 practice location in Williston Park, NY. Call before your visit to confirm the address.
- What is Robert I. Rattiner's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Geriatric Medicine, Internal Medicine and Preventive Medicine.
- Does Robert I. Rattiner accept Medicare assignment?
- Yes. Medicare's clinician data says Robert I. Rattiner 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 I. Rattiner?
- (516) 498-1965, as listed in official Medicare / NPI Registry data.
- What is Robert I. Rattiner's NPI number?
- 1881738375. 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 Robert I. Rattiner is enrolled with Medicare (CMS data updated 2026-10-02).
- 99 Hillside Ave, Suite TWilliston Park, NY 11596 (516) 498‑1965
Specialties
- Cardiovascular Disease (Cardiology)primary
- Geriatric Medicinealso
- Internal Medicinealso
- Preventive Medicinealso
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists 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 | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881738375 |
| 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