Family riding bikes together

Meet our Psychiatrists

C. Jason Gucfa, M.D.

 C. Jason Gucfa, M.D. received his medical education from the American University of the Caribbean's School of Medicine and completed his residency with University of Iowa Hospitals and Clinics. Dr. Gucfa is board-certified by the American Board of Psychiatry and Neurology. His practice will include the treatment of depression and anxiety disorders, bipolar disorder and adult attention deficit disorder. Dr. Gucfa believes that it's essential to educate his patients and also to work with them closely to plan their treatment. His personal interests include travel, skiing, boating, golf, piano and guitar. 


Mark A. Preston, M.D.

Mark A. Preston, M.D. began his psychiatry practice in 1989. He received his medical training at the University of Iowa's College of Medicine. He continued at the University of Iowa with a residency in general psychiatry and a fellowship in child psychology. Dr. Preston is board-certified by the American Board of Psychiatry and Neurology. His practice focuses on general adult psychiatry including dementia disorders and addictive disorders. Dr. Preston's personal interests include cycling, camping and backpacking.


Jessica McIlrath, D.O. began her psychiatry practice in 2010. She received her medical training at Des Moines University. She continued at the University of South Dakota with her residency program. Dr. McIlrath's practice focuses on general adult psychiatry. Her personal interests include spending time with family, reading and doing outdoor activities .