
About Dr. Kentosh
Dr. Joshua Kentosh is a board-certified dermatologist and fellowship-trained Mohs micrographic surgeon, certified by the American Board of Dermatology in both Dermatology and Micrographic Dermatologic Surgery. He specializes in medical, surgical, and cosmetic dermatology, offering expert skin care to patients at Core Dermatology in Illinois.
Dr. Kentosh earned his bachelor’s degree in biology, graduating cum laude from Indiana Wesleyan University. He went on to receive his Doctor of Osteopathic Medicine from the Lake Erie College of Osteopathic Medicine in 2007, where he was a member of the honors society. He completed his dermatology residency at Walter Reed National Military Medical Center (WRNMMC), one of the nation's premier training institutions.
With 14 years of service in the U.S. Navy, Dr. Kentosh has a strong background in military medicine. He served as a diving medical officer, staff dermatologist, and assistant professor of dermatology at the Uniformed Services University (USU). During his time in the military, he led several clinical trials and contributed to dermatology resident education.
Dr. Kentosh is a published author in multiple peer-reviewed dermatology journals and has presented his research at numerous national and regional conferences. His clinical interests include amputee skin conditions, hyperhidrosis, and complex wound care.
He is an active member of the American Academy of Dermatology (AAD), American Society for Dermatologic Surgery (ASDS), American Society for Mohs Surgery (ASMS), and the American Medical Association (AMA).
Since joining Core Dermatology in 2017, Dr. Kentosh has been dedicated to providing personalized skin care, skin cancer treatment, and advanced Mohs surgery. He also serves as the Dermatology Department Chair and Clinical Assistant Professor at the University of Illinois College of Medicine and is Chief of Dermatology at OSF St. Francis Medical Center.