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    Mark W. Koser, MD

    Ophthalmology, Diabetes

    Dr. Koser's Overview

    Dr. 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: 32

    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

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Aetna Choice POS II
    • Aetna Elect Choice EPO
    • Aetna HMO
    • Aetna Managed Choice POS Open Access
    • Aetna NYC Community Plan
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • CDPHP New York State of Health - Small Business
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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