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Dr. Alfred Cossari, MD

Dr. Alfred Cossari, MD

Age 79 Ophthalmology M
(15) 15 reviews
Accepting New Patients


Dr. Alfred Cossari, MD is a ophthalmology specialist in Port Jefferson, NY. Dr. Cossari completed a residency at Nassau University Medical Center. He currently practices at Alfred J. Cossari M.d. PC and is affiliated with Mather Hospital. He accepts multiple insurance plans.


  • University Of Rome La Sapienza, Medical School
  • Childrens National Medical Center, Fellowship Hospital — 1975
  • The Johns Hopkins Hospital, Fellowship Hospital — 1974
  • Nassau University Medical Center, Residency Hospital — 1974
  • Nassau University Medical Center, Internship Hospital — 1971
  • Franklin and Marshall College, Lancaster PA, Undergraduate School

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • CoreSource
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • MagnaCare
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.


Czech, Italian


  1. Practice

    1. 1
      Alfred J. Cossari M.d. PC
      311 Barnum Ave, Port Jefferson, NY 11777 Existing Patients: (631) 928-6400

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took great care of my three children
Alan T Kaell MD — Dec 05, 2019
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Photo: Dr. Alfred Cossari, MD
Dr. Alfred Cossari, MD
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Frequently Asked Questions

Dr. Cossari frequently treats Diplopia, Exotropia, and Pinkeye (Conjunctivitis).  

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Hospital Affiliations

  • Mather Hospital