John Claussen, PA-C - Great Lakes Dermatology welcomed John Claussen, PA-C, to Great Lakes Dermatology in October 2011. John is a Certified Physician Assistant with more than 20 years of experience as a PA. For the last seven years, John worked at Septon Dermatology is Libertyville, Illinois. John’s patient philosophy is to provide the very best patient care by listening to his patients closely, explaining clearly the treatment option or plan and being highly personable, yet professional.
Prior to his career in dermatology, John worked in several other specialties including primary care, urgent care and endocrinology. John received his undergraduate degree from George Washington University and completed his Master of Physician Assistant Studies at the University of Nebraska Medical Center. He is also a retired US Navy veteran. John sees patients in our Kenosha and Pleasant Prairie clinics.

Jessica Grandlich, Physician Assistant, joined Great Lakes Dermatology in July 2012. She completed her Masters in Physician Assistant Studies at Marquette University in May 2012. She received a Bachelor of science, majoring in biology and chemistry from UW- Milwaukee in 2009. When not in the clinic, she enjoys running, water skiing and snow skiing. Jessica is currently accepting new patients in our Brookfield, Franklin and West Allis clinics with evening and weekends hours.