Dr. Mark William Koser MD is a male Ophthalmologist, has 25 years of experience and practices in Ophthalmology.
Dr. Mark Koser has 3 office locations.
Retina & Diabetes Eye Care Associates
3611 Richmond Ave
Eltingville, Staten Island, NY 10312

Phone Number
Locations and availability (3)
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

No reviews yet…
be the first!

Specialties & Research

Dr. Mark Koser, MD is board certified in Ophthalmology.

Education & Awards

Dr. Koser graduated from State University of New York Downstate, Brooklyn.


Dr. Koser has 16 hospital affiliations:

  • Staten Island University Hospital North 
  • University Hospital of Brooklyn at Long Island Hospital 

Accepted Insurance Plans

Dr. Koser accepts these health insurances in at least one office:

  • MVP Health Care Preferred Care - 12 plans
  • United Healthcare - 11 plans
  • HIP Health Plan of New York - 36 plans
  • Empire Blue Cross Blue Shield - 15 plans
  • Unicare - 11 plans
  • Univera Healthcare - 1 plan
  • Neighborhood Health Plan (NHP) - 1 plan
  • Evercare - 1 plan
  • Oxford Health Plans - 3 plans
  • Humana - 2 plans
  • Capital District Physicians Health Plan - 7 plans
  • Cigna - 3 plans
  • Healthfirst - 2 plans
  • The Empire Plan (UHC) - 1 plan
  • USA H & W Network - 1 plan
  • AMERIGROUP - 3 plans


  • Italian
  • Spanish

Similar doctors nearby

Dr. Robert Strome

45 years experience
Great Neck, NY

Dr. Swetangi Bhaleeya

4 years experience
New York, NY

Dr. James Haberman

27 years experience
Union, NJ

Dr. Robert Friedman

27 years experience
New York, NY

Dr. Shalva Adar

37 years experience
Forest Hills, NY

Dr. Martin Schub

50 years experience
Englewood, NJ
Search All Similar Doctors
Additional Information
Where does Dr. Mark W. Koser practice?
Dr. Mark Koser practices Ophthalmology near Staten Island, NY.
Additional practice locations include: Brooklyn, NY.
See Staten Island Ophthalmologists.