Skip to main content
Alfred Cossari Jr., MD, Ophthalmology, Port Jefferson, NY, Mather Hospital

AlfredJosephCossariJr.MD

Ophthalmology Port Jefferson, NY

Pediatric & Strabismus

Chief of the Section of Ophthalmology Mather Hospital / Northwell Health

Dr. Cossari is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Cossari's full profile

Already have an account?

Summary

  • Dr. Alfred Cossari is an ophthalmologist in Port Jefferson, NY and is affiliated with Mather/Northwell Hospital where he is Chief of the Ophthalmology Service and St. Charles Hospital. He received his medical degree from La Sapienza at the University of Rome where he was involved in ophthalmic research under Prof. G.B. Bietti. At the Wilmer Institute of Johns Hopkins University he completed a Retinal Vascular Fellowship under Dr. Arnall Patz, followed by a Pediatric Ophthalmology and Strabismus Fellowship at the Children's National Hospital of George Washington University under Dr. Marshall Parks after a surgical internship and ophthalmology residence at the Nassau University Hospital. He has been in private practice for 48 years, speaks both English and Italian, and specializes in Pediatric Ophthalmology and Strabismus in children and adults. In addition to caring for both children and adults, his specialty interests include the surgical and nonsurgical management of eye muscle disorders and double vision, eye disorders of infancy and childhood, dyslexia, and headache/migraine evaluations. He continues to be involved in clinical research.

Clinical Expertise

  • Strabismus surgery, Children's eye disorders, Diplopia management, Dyslexia evaluations, Exotropia, esotropia and hypertropia, Headache/migraine diagnosis and counselling

Education & Training

  • Children's National Medical Center/George Washington University
    Children's National Medical Center/George Washington UniversityFellowship, Pediatric Ophthalmology, 1975 - 1976
  • Johns Hopkins University
    Johns Hopkins UniversityResidency, Ophthalmology, 1974 - 1975
  • Nassau University Medical Center
    Nassau University Medical CenterResidency, Ophthalmology, 1971 - 1974
  • Nassau University Medical Center
    Nassau University Medical CenterInternship, Transitional Year, 1970 - 1971
  • La Sapienza
    La SapienzaClass of 1969

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1974 - 2026
  • American Board of Ophthalmology Ophthalmology

Awards, Honors, & Recognition

  • Top Doctor of the New York Metro Area Castle Connolly Medical Ltd., 1999-2016
  • David S. Friendly Lecture and Award Costenbader Society, 2012
  • Theodore Roosevelt Award Nassau-Suffolk Hospital Council, 1999
  • Join now to see all

Publications & Presentations

PubMed

Journal Articles

  • Non-Surgical Consecutive Exotropia following Childhood Esotropia: A Multicentered Study  
    Linda Colpa, Sina Khalili, Stephen Kraft , Darron Bacal, Coralie Hemptinne, Demet Yuksel, Alfred Cossari, Kamiar Mireskandari, American Journal of Ophthalmology, 7/28/2023
  • Reversible Blindness in Optic Neuritis Associated with Influenza Vaccination.  
    Perry, HD, Mallen FJ, Grodin RW, Cossari, AJ., Annals of Ophthalmology 1979; 11: No.4
  • Corneal perforation in a premature infant  
    Zagelbaum BM, Stroh EM, Perry HD, Donnenfeld ED, Cossari AJ, J Refract Surg, 4/1995
  • Join now to see all

Books/Book Chapters

Abstracts/Posters

  • Intermittent exotropia: a novel surgical algorithm based on a postocclusion distant-near relationship
    Alfred J. Cossari, Maja Magazin, Alan Kaell, Gregory D. Haggerty, JAAPOS, 8/1/2022

Lectures

  • Distinguished Alumni Professor Lecture 
    Children's National Medical Center, Washington, D.C. - 6/26/2019
  • David S. Friendly Lecture 
    Costenbader Society, Asheville, NC - 10/13/2013

Authored Content

  • Migraine; Not Just HeadacheMarch 2024

Professional Memberships

Other Languages

  • Italian

Hospital Affiliations