(706) 454-0111

1000 Cowles Clinic Way
Aspen Cottage, Suite A-400
Greensboro, GA 30642


Cowles Clinic Ophthalmology

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1000 Cowles Clinic Way
Elm Cottage, Suite E-100
Greensboro, GA 30642
PH: (800) 487-2248

Dr. Dennis M. Marcus is devoted to the care of patients with diseases of the macula, retina and vitreous including age-related macular degeneration, diabetic retinopathy, and retinal detachment. He is recognized nationally as leader in vitreoretinal surgery, clinical retinal research, teaching, and laboratory investigation. Dr. Marcus has brought cutting edge clinical therapies to our region as lead investigator in multiple clinical trials.

Dr. Marcus

Dennis M. Marcus, M.D.

Retina, Vitreous and Macula Medicine

  • Undergraduate: State University of New York at Stony Brook
  • Medical School: Albert Einstein College of Medicine
  • Internship: Hackensack Medical Center
  • Residency: Massachusetts Eye Ear Infirmary, Harvard Medical School
  • Fellowship, Ophthalmology: David G. Cogan Eye Pathology Laboratory, Harvard Medical School
  • Fellowship, Clinical Vitreoretinal: Ophthalmic Consultants of Boston, Massachusetts Eye and Ear Infirmary, Harvard Medical School
  • Board Certification: American Board of Ophthalmology
  • Visit Practice Web Site
Dr. Singh

Harinderjit Singh, MD, F.R.C.S.(C.)

Retina, Vitreous and Macula Medicine

  • Undergraduate: St. Xavier's
  • Medical School: Gandhi Medical College
  • Internship: McGill University Teaching Hospital
  • Residency: University of Western Ontario
  • Member of the American Academy of Ophthalmology, Georgia Society of Ophthalmology, the Royal College of Physicians and Surgeons of Canada, and the Canadian Ophthalmology Society
  • Visit Practice Web Site