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Dr. Marc Dinowitz, MD

Dr. Marc Dinowitz, MD

Age 51 Ophthalmology M
(5) 5 reviews

Telehealth available

Accepting New Patients


Dr. Marc Dinowitz, MD is a ophthalmology specialist in Riverhead, NY. Dr. Dinowitz completed a residency at U Med Dent NJ Med Sch. He currently practices at East End Eye Associates and is affiliated with Peconic Bay Medical Center. He accepts multiple insurance plans. Dr. Dinowitz is board certified in Ophthalmology.


  • The Johns Hopkins Hospital, Fellowship Hospital — 2001
  • U Med Dent NJ Med Sch, Residency Hospital — 2000
  • Winthrop - University Hospital, Internship Hospital — 1997
  • Stony Brook U, School of Medicine, Medical School — 1996
  • State University Of New York At Stony Brook, Undergraduate School

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Harvard Pilgrim Health Care
  • Humana
  • MultiPlan

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  1. East End Eye Associates

    1. 1
      East End Eye
      937 E MAIN ST, Riverhead, NY 11901 Existing Patients: (631) 369-0777
  1. Eastern Long Island Hem/Onc

    1. 2
      Eastern Long Island Hematology Oncology PC
      1333 E Main St, Riverhead, NY 11901 Existing Patients: (631) 369-0777

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dont like a team approach want one doctor to do it all that way there are less issues the technicans make too many errors.
— Aug 21, 2021
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Dr. Marc Dinowitz, MD
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Frequently Asked Questions

Dr. Dinowitz frequently treats Allergic Conjunctivitis, Pinkeye (Conjunctivitis), and Diplopia.  

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Hospital Affiliations

  • Peconic Bay Medical Center
  • Stony Brook University Hospital