About Our Physician Assistants

A Picture of Kathleen Barta



Kathleen has been a Physician Assistant for 21 years with over 15 years of experience in the field of Infectious Diseases.  She has lectured for the PA program at Marquette University, given presentations on Infectious Diseases for the Wisconsin Academy of Physician Assistants, served on the Infection Control Board and Antibiotic Stewardship Committee at Waukesha Memorial Hospital and authored an article on tick borne diseases.  She also is a preceptor for the Marquette University PA program.


SUMMER KIMBLE, PA-CA Picture of Summer Kimble

Summer is a provider with 15 years of experience in the field of Infectious Disease providing both inpatient and outpatient care.  She takes pride in giving her patients high quality care with treatment regimens tailored to their individual needs.  She graduated with honors from Marquette University Physician Assistant Studies program with a Master's Degree.  There she held the position of class secretary, tutored students in biochemistry and published articles n the Wisconsin Academy of Physician Assistants newsletter.  She is a preceptor for Marquette University Physician Assistant students since 2016, training the future generation Physician Assistant students in Infectious Disease diagnosis and management.  In addition to infectious disease care, she is experienced in wound care management and debridement and performs Hyperbaric Oxygen Therapy evaluations.


A Picture of Sarah Miller


Sarah is a graduate from Marquette University with a Master's Degree in Physician Assistant Studies.  She holds a Bachelors Degree from Marquette in Biomedical Sciences.  She joined the IDS family in 2014 but before that worked in Internal Medicine specializing in hospital medicine for 8 years.  She is an Associate Member of the Infectious Disease Society of America.


A Picture of Steven Schinkal

Steven grew up in Cincinnati Ohio and then attended Marquette University graduating with a B.S. in Biomedical Sciences in 2016 and a Master of Physician Assistant Studies in 2017.  He has been with IDS since graduating in 2017.

In his free time, Steven enjoys running, cooking, watching baseball and soccer and exploring all that Milwaukee has to offer.



Jeremy was born in Milwaukee Wisconsin and grew up on the Waukesha area.  HeA Picture of Jeremy Wojtecki attended UW-Madison where he received a Bachelor of Science degree in Kinesiology and a Certificate in Athletic Training.  He then attended Oklahoma State University where he earned a Master's Degree in Healthcare Administration while serving as a graduate assistant athletic trainer with various sports teams with the university.  Jeremy then decided to pursue a career as a Physician Assistant and returned to Wisconsin where he attended Marquette University and earned a Master's Degree in Physician Assistant Studies in 2010.  He began his career in Nephrology and then joined IDS in January of 2014 after developing a long-standing interest in Infectious Disease.