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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (8)

The overall average patient rating of Dr. Gregory Harmon is Excellent. Dr. Harmon has been reviewed by 42 patients who have provided 8 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 3.9
Courteous Staff 3.7
Accurate Diagnosis 4.4
Bedside Manner 4.3
Spends Time with Me 4.2
Follows Up After Visit 4.1

Specialties & Research

Dr. Gregory Harmon, MD is board certified in Ophthalmology.

  • He has special expertise in 5 areas:
  • Cataract
  • Cataract Surgery
  • Glaucoma
  • Laser Surgery
  • Lens Implants (Intraocular Lens Implantation)

Education & Awards

Dr. Harmon graduated from New York University - Mount Sinai. He has 5 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Recognition (2009 - 2011)
Top 10 Doctor - Neighborhood (2014)
Upper East Side


Dr. Harmon has 10 hospital affiliations:

  • NewYork-Presbyterian / Weill Cornell 
  • New York Presbyterian Hospital / Columbia 


  • Russian
  • French
  • Mandarin
  • Greek
  • Chinese
  • Korean
  • Japanese
  • Italian
  • Yiddish
  • Hebrew

> > > > Dr. Gregory Harmon, MD

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Additional Information
Dr. Gregory K Harmon MD is a male Ophthalmologist, has 29 years of experience and practices in Ophthalmology.
Where does Dr. Gregory K. Harmon practice?
Dr. Gregory Harmon has 1 office location.
Dr. Gregory Harmon practices Ophthalmology near New York, NY.
See New York Ophthalmologists.