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Ophthalmology

Corey I. Bickoff, MD

Sees patients in Freeport, NY · New York

Summary

Dr. Corey I. Bickoff, MD is an ophthalmologist at 294 W Merrick Rd, Suite 5, Freeport, NY 11520. Phone: (516) 223-3337. Accepts Medicare assignment. In 2024, Corey I. Bickoff had 232 Original Medicare patients and 1,285 services. NPI 1053325563. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 294 W Merrick Rd, Suite 5, Freeport, NY 11520 · Directions
  • Phone: (516) 223‑3337
  • Medicare: Accepts Medicare assignment
  • Medical school: State University Of New York Downstate Medical Center · graduated 1992 (34 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Corey I. Bickoff, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Corey I. Bickoff accept Medicare assignment?
Yes. Medicare's clinician data says Corey I. Bickoff accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Corey I. Bickoff see?
In 2024, CMS data shows 232 Original Medicare patients and 1,285 services for Corey I. Bickoff. This counts Original Medicare only and measures volume, not quality.
What is Corey I. Bickoff's NPI number?
1053325563. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Corey I. Bickoff, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients232
Services billed to Medicare1,285
Different services or procedures18
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Exam of visual field with extended testing (92083)200 services
  2. Established patient problem focused exam of visual system (92012)196 services
  3. Established patient complete exam of visual system (92014)173 services
  4. Photography of the retina (92250)170 services
  5. Extended exam of the back part of the eye with optic nerve drawing (92202)131 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes46%
  • Arthritis39%
  • Ischemic heart disease23%
  • Depression16%

Practice locations

Addresses where Corey I. Bickoff is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in New York

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

All ophthalmologists in New York →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053325563
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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