John Kosko, MD | Urology | Sanford Health Skip To Content

We're committed to helping you find the best care at Sanford Health.

John Kosko, MD


  • Medical School
    Case Western Reserve University-University Hospitals (Cleveland, OH)
  • Residency
    General Surgery: University Hospitals of Cleveland (Cleveland, OH)
    Urology: University Hospitals of Cleveland (Cleveland, OH)
  • Internship
    University Hospitals of Cleveland (Cleveland, OH)
  • Board Certifications
    American Board of Urology

Stone Disease
Prostate Problems
Female Urology including Incontinence and General Urology

Dr. Kosko practices patient-centered treatment of the urologic problems of his patients, keeping in mind the impact of their urologic condition on their general health and lifestyle.


As a urologist, Dr. Kosko specializes in treating conditions of the urinary tract in both genders, and the genital tract of men and boys. This includes kidney stones, tumors of the kidney or bladder, incontinence, prostate problems, male infertility, impotence and others.

Dr. Kosko enjoys fishing, reading, outdoor activities, opera, concert music, gardening and cooking. He is fluent in the Russian language.

Primary Practice Location

Sanford Bemidji Main Clinic

1233 34th Street NW
Bemidji, MN 56601

Get Directions




(218) 333-5000
(800) 833-8979