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45 years of experience

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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).

Learn more about Dr. William Kasper:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William Kasper, Ophthalmologist is Good. Dr. Kasper has been reviewed by 10 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 3.4
Courteous Staff 3.8
Accurate Diagnosis 4.1
Bedside Manner 3.8
Spends Time with Me 3.8
Follows Up After Visit 2.9

Specialties & Research

Dr. William Kasper, MD is board certified in Ophthalmology.

  • He has special expertise in 4 areas:
  • Cataract Surgery
  • Corneal Diseases
  • Glaucoma
  • Lens Implants (Intraocular Lens Implantation)

Education & Awards

Dr. Kasper graduated from Katholieke Universiteit Leuven. He has 1 awards.

Castle Connolly Top Doctors: New York Metro Area™ (1998 - 2008, 2010 - 2015)


Dr. Kasper has 8 hospital affiliations:

  • Winthrop University Hospital 
  • Mercy Medical Center 


  • Portuguese
  • Spanish
  • Italian
  • French

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Additional Information
Dr. William Stephen Kasper MD is a male Ophthalmologist, has 45 years of experience and practices in Ophthalmology.
Where does Dr. William S. Kasper practice?
Dr. William Kasper has 1 office location.
Dr. William Kasper practices Ophthalmology near Garden City, NY.
See Garden City Ophthalmologists.