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Dr. Mark W. Koser, MD


  • (718) 966-7200

Dr. Koser's Overview

Dr. Mark W. Koser graduated from the SUNY Downstate Medical Center College of Medicine in 1985. He works in Staten Island, NY and 1 other location and specializes in Ophthalmology and Diabetes. Dr. Koser is affiliated with Robert Wood Johnson University Hospital.

Dr. Koser's Experience

Years in Practice: 30

Dr. Koser's Specialties

Ophthalmology, Diabetes

Dr. Koser's Education & Training

Medical School: SUNY Downstate Medical Center College of Medicine; Graduated 1985

Dr. Koser's Rating

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  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Koser's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Choice POS Open Access
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • CIGNA Open Access Plus
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Dr. Koser's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

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Dr. Koser's Hospital Affiliations

Office Locations

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