Dr. Barthel graduated from the Marquette School of Medicine in 1970 and completed his Pediatric Residency at the University of Illinois and Psychiatric Residency at the University of Michigan Medical Center in Ann Arbor. He also completed his Child and Adolescent Psychiatry Fellowship in 1978.
His practice is exclusively outpatient work with children and adolescents. All care is arranged via the Children's Hospital of Wisconsin Child Psychiatry Center. His clinical interests are in the autism spectrum disorders, other developmental disabilities in youth, and the mental health issues associated with chronic illness in children and adolescents. His office is at the Children's Hospital of Wisconsin New Berlin Clinics.