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Karthikeyan Viswanathan, DO, Internal Medicine, Cooperstown, NY, Northern Navajo Medical Center


Internal Medicine Cooperstown, NY


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  • Dr. Karthikeyan Viswanathan, DO is an internist in Cooperstown, New York. He is currently licensed to practice medicine in New York, California, and Arkansas. He is affiliated with Northern Navajo Medical Center and Sutter Coast Hospital.

Education & Training

  • College of Osteopathic Medicine of the Pacific
    College of Osteopathic Medicine of the PacificClass of 2014

Certifications & Licensure

  • NY State Medical License
    NY State License 2018 - 2026
  • CA State Medical License
    CA State License 2021 - 2025
  • AR State Medical License
    AR State License 2019 - 2024
  • MP State Medical License
    MP State License 2018 - 2022

Publications & Presentations


Hospital Affiliations