Dr. Holsinger is an Ohio native, having grown up in Covington, Ohio. He attended The Ohio State University where he graduated Cum Laude with a Bachelors of Science degree in Biology. He obtained his medical degree at Ohio University College of Osteopathic Medicine in 2003. Next, he completed a family practice focused internship at Doctors Hospital in Columbus, Ohio. His dermatology residency was then completed at Ohio University in Athens, Ohio. Dr. Holsinger received his dermatology board certification in 2007 and is a Fellow of the American Osteopathic College of Dermatology.

Dr. Holsinger is an active participant in the training of dermatology residents from the OhioHealth Riverside Methodist Hospital dermatology residency program

Prior to establishing Dermatology of Central Ohio, he practiced in the Newark area. He is passionate about providing the highest level of skin care to his patients.