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Ophthalmology

Leeber Cohen, MD

Works at hospitals in New York, NY · New York

Summary

Leeber Cohen, MD (Ophthalmology) is listed by Medicare at 1 hospital in New York, NY. NPI 1891705448. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Leeber Cohen, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Leeber Cohen work at?
Medicare's official clinician data lists Leeber Cohen at 1 hospital: NY Eye and Ear Infirmary of Mount Sinai. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leeber Cohen see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is Leeber Cohen's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Leeber Cohen accept Medicare assignment?
Yes. Medicare's clinician data says Leeber Cohen 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 Leeber Cohen?
(212) 777-1644, as listed in official Medicare / NPI Registry data.
What is Leeber Cohen's NPI number?
1891705448. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leeber Cohen works

Medicare's Facility Affiliation Data lists Leeber Cohen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Leeber Cohen is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All ophthalmologists in New York →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891705448
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians