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Ophthalmology

Eric D. Donnenfeld, MD

Sees patients in Rockville Centre, NY · Stamford, CT · Oceanside, NY … · New York, Connecticut

Summary

Eric D. Donnenfeld, MD (Ophthalmology) is enrolled with Medicare at 4 practice locations in Rockville Centre, NY, Stamford, CT and Oceanside, NY and other places. NPI 1891790770. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Eric D. Donnenfeld, 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
May acceptAccepts Medicare assignment
46Years since medical school (graduated 1980)
Geisel School Of Medicine At DartmouthMedical school
MaleGender (as listed)
Ophthalmic Consultants of Long IslandGroup practice (+1 more)

Quick answers

Where does Eric D. Donnenfeld see patients?
Medicare's clinician data lists 4 practice locations, including Rockville Centre, NY, Stamford, CT and Oceanside, NY. Call before your visit to confirm the address.
What is Eric D. Donnenfeld's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Eric D. Donnenfeld accept Medicare assignment?
Medicare's clinician data says Eric D. Donnenfeld 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 Eric D. Donnenfeld?
(516) 766-2519, as listed in official Medicare / NPI Registry data.
What is Eric D. Donnenfeld's NPI number?
1891790770. 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 Eric D. Donnenfeld is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Eric D. Donnenfeld as a member of these groups (CMS data updated 2026-10-02).

  • Ophthalmic Consultants of Long Island105 clinicians in the group
  • Ophthalmic Consultants of Connecticut PC8 clinicians in the group

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in Rockville Centre

Clinicians with the same Medicare primary specialty in Rockville Centre, NY — not a recommendation.

All ophthalmologists in Rockville Centre →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year1980
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1891790770
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