Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Marc Dinowitz xhas an overall rating of 4.0.


Dr. Marc Dinowitz, MD, OD is a Doctor primarily located in Riverhead, NY, with other offices in Southold, NY and Riverhead, NY. He has 21 years of experience. His specialties include Ophthalmology. Dr. Dinowitz is affiliated with Stony Brook University Hospital, North Shore University Hospital and John T Mather Memorial Hospital. He speaks English.


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Specialties & Expertise

Dr. Marc Dinowitz has the following 12 areas of expertise, 1 specialty and 1 board certification.


An ophthalmologist has the training to do much more than just prescribe glasses. They are physicians specially trained to diagnose and treat disorders of the eyes and vision. These doctors are experts on the complicated anatomy of the eye and are trained to treat eye diseases through both medical and surgical methods.
Some common conditions that ophthalmologists treat are cataracts, glaucoma, strabismus, diabetic retinopathy, macular degeneration and amblyopia. In addition, ophthalmologists can provide prescriptions for eye glasses and contact lenses and perform LASIK surgery and other corrective surgeries for refractive errors like myopia (near-sightedness), hyperopia (far-sightedness), astigmatism and presbyopia.


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Board Certification

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Locations & Directions

Deepali Sharma MD

1333 E Main St
Riverhead, NY 11901

Marc Dinowitz MD

46850 County Road 48
Southold, NY 11971

East End Eye Assocs

937 E Main St
Riverhead, NY 11901

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