Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Robert I. Rattiner, MD

Sees patients in Williston Park, NY · New York

Summary

Robert I. Rattiner, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 1 practice location in Williston Park, NY. NPI 1881738375. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert I. Rattiner, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)

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).

Specialties

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.

All cardiologists in New York →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881738375
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians