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Holiday schedule

Our Patient Service Centers will be closed on Monday, May 27, 2024 for the Memorial Day holiday. Have a healthy, happy holiday.

Y. Fesko, MD

Y. Fesko, MD

Vice President of Medical Affairs, Quest Diagnostics

Internal Medicine, Hematology, Oncology


Joined Quest in 2017 from Duke University Health System where he was the Chief of Medical Oncology for Wake County.  He currently oversees medical affairs for the franchises at Quest Diagnostics.  He also serves as the Sr Medical Director for Oncology and Pharma Services at Quest.  


Internal Medicine Hematology, Oncology

Board Certifications

Internal Medicine Hematology, Oncology


Case Western Reserve Univerisity 1999


MetroHealth Medical Center 1999-2002


University Hospitals of Cleveland 2002-2006