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SERGIU MARCUS, M.D., PH.D.


Sergiu Marcus, MD PHD completed his medical training at Cornell University Medical College in New York. He also earned a Ph.D from the Rockefeller University, Biophysics and Visual Neurophysiology Laboratory in New York. He completed a prestigious Retinal Fellowship at The Wilmer Eye Institute at Johns Hopkins Hospital in Baltimore.

Dr. Marcus is Board Certified in Ophthalmology. He is an Assistant Clinical Professor in the Department of Ophthalmology at the Mt. Sinai School of Medicine as well as the Mt. Sinai Hospital. He is an attending in ophthalmology on the staff of Good Samaritan Hospital, W. Islip, Southside Hospital, Bay Shore and the Long Island Ambulatory Surgery Center.

Dr. Marcus specializes in vitreo-retinal disorders of the eye. These conditions include diabetic retinopathy, macular degeneration and other diseases of the retina.

Hospital Affiliation:

  • Long Island Ambulatory Surgery Center-Brentwood New York, Suffolk Surgery Center,-Shirley New York, Mount Sinai Medical Center-Mount Sinai New York, Good Samaritan Hospital- West Islip New York, Southside Hospital-Bay Shore New York

Professional Societies:

  • Association for Research in Vision and Ophthalmology
  • American Medical Association
  • New York Ophthalmological Society
  • Wilmer Residents Association
  • American Academy of Ophthalmology

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Our mission is to restore patients' vision using the best and safest technology.

Dr. Martin & Dr. Passarelli

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Amityville Office

333 Broadway
Ste 1
Amityville, NY 11701

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Bayshore Office

375 E. Main Street
Bayshore, NY 11706

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Brentwood Office

601 Suffolk Ave
Brentwood, NY 11717

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Deer Park Office

590 Nicolls Rd
Deer Park, NY 11729

Open Today 7:00am - 7:00pm

East Patchogue Office

250 Patchogue-Yaphank Rd
Ste 1
East Patchogue, NY 11772

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Garden City Office

520 Franklin Ave
Ste 251
Garden City, NY 11530

Open Today 7:00am - 7:00pm

Hampton Bays Office

223 West Montauk Highway
Ste 101
Hampton Bays, NY 11946

Open Today 7:00am - 7:00pm

Hauppauge Office

110 Marcus Blvd
Hauppauge, NY 11788

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Hauppauge Office

100 Motor Pkwy
Ste 110
Hauppauge, NY 11788

Open Today 7:00am - 7:00pm

Hempstead Office

230 Hilton Ave
Ste 207
Hempstead, NY 11550

Open Today 7:00am - 7:00pm

Holbrook Office

233 Union Ave
Holbrook, NY 11741

Open Today 7:00am - 7:00pm

Huntington Office

148 E Main St
Ste 101
Huntington, NY 11743

Open Today 7:00am - 7:00pm

Huntington Office

755 Park Ave
Ste 100
Huntington, NY 11743

Closed Today

Little Neck Office

5515 Little Neck Pkwy
Ste L10
Little Neck, NY 11362

Open Today 7:00am - 7:00pm

Manhattan Office

114 E 27th St
New York, NY 10016

Open Today 8:30am - 6:15pm

Port Jefferson Office

1010 Route 112
Ste 300
Port Jefferson, NY 11776

Closed Today

Riverhead Office

54 Commerce Dr
Ste 6
Riverhead, NY 11901

Open Today 7:00am - 7:00pm

Rockville Centre Office

119 N Park Ave
Ste 208
Rockville Centre, NY 11570

Open Today 11:00am - 5:30pm

Sayville Office

153 Main St
Sayville, NY 11782

Closed Today

Smithtown Office

260 Middle Country Rd
Ste 201
Smithtown, NY 11787

Open Today 7:00am - 7:00pm

Southampton Office

186 Old Town Rd
Southampton, NY 11968

Open Today 7:00am - 7:00pm

Southold Office

41705 County Rd 48
Southold, NY 11971

Open Today 7:00am - 7:00pm

West Islip Office

786 Montauk Hwy
West Islip, NY 11795

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