Dr. Gregory L. Cowan is a highly skilled and experienced fellowship-trained ophthalmologist who has been practicing for over 17 years. Dr. Cowan is certified by the American Board of Ophthalmology and completed both parts of his examination with honors. He also previously served as an Associate Examiner for the Board. While attending medical school at George Washington University Medical School, Dr. Cowan was elected to the Alpha Omega Alpha Medical Honor Society during his junior year, and was also a recipient of the A. Horowitz Award for receiving the highest score on Part I of the National Board of Medical Examination. After receiving his medical degree, Dr. Cowan completed his internship in Internal Medicine at Winthrop University Hospital and his residency training in Ophthalmology at Mount Sinai Medical Center. To further his training, Dr. Cowan also completed a fellowship in Glaucoma at Mount Sinai. With specialized training in glaucoma, Dr. Cowan has performed thousands of laser procedures for the treatment of glaucoma and offers the SLT “cold laser” technology to glaucoma patients. He also offers a wide array of comprehensive diagnostic testing. In addition to his training and practice experience, Dr. Cowan is also a member of: - American Academy of Ophthalmology - Medical Society of the State of New York Dr. Cowan also holds hospital affiliations at Saint Joseph’s Hospital and North Shore University Hospital.
Dr Gregory Cowan, MD
- Ophthalmology
- Accepting new patients
- 42 years of experience
- SightMD 4277 Hempstead Tpke, Bethpage, NY 11714
- (516) 796-4030
Brief Intro
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Education Background
RESIDENCY
Mount Sinai Medical Center - 1992
Winthrop University Hospital - 1989
MEDICAL SCHOOL
George Washington School Of Medicine - 1988
Columbia University - 1984
Hamilton College - 1983
Languages Spoken
- English
Location & Hours
- SightMD
- 4277 Hempstead Tpke, Bethpage, NY 11714
-
Mon:8:00 am - 4:00 pm
Tue:8:00 am - 6:30 pm
Wed:8:00 am - 6:00 pm
Thu:8:00 am - 6:30 pm
Fri:8:00 am - 4:00 pm
Sat:8:00 am - 1:00 pm
Sun:10:00 am - 1:00 pm
Specialties Treated
- Ophthalmology
Conditions Addressed
- Moles
- Dry Eye Syndrome
- Conjunctivitis
- Blepharitis
- Eye Infections
- Macular Degeneration
- Chalazion
- Primary Angle-Closure Glaucoma
- Glaucoma
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Insurance Accepted
* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).
- Superior Vision
- UnitedHealthcare
- Aetna
- Elderplan
- MagnaCare
- EmblemHealth
- Tricare
- GEHA
- Cigna
- Medicare
- National Vision Administrators
- Oscar Health Insurance
- HealthScope Benefits
- Humana
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NY Hospitals by Specialty
- Cancer 43
- Cardiology, Heart & Vascular Surgery 31
- Orthopedics 75
- Neurology & Neurosurgery 60
- Gastroenterology & GI Surgery 75
- Pulmonology & Lung Surgery 91
- Diabetes & Endocrinology 44
- Children's Hospital 22
- Urology 87
- Psychiatry 103
- Geriatrics 82
- Rehabilitation 38
- Obsterics & Gynecology 17
- Ophthalmology 4
- Ear, Nose & Throat 11
- Rheumatology 2
- Long Term Care 3
- Maternity Care (Uncomplicated Pregnancy) 60