Founder, Lindenhurst Family Practice

Dr. Stephen J. Clark was raised in Neenah, Wisconsin and has been practicing medicine since 1985. Dr. Clark attended both college and medical school at Northwestern University in Evanston, Illinois and completed his residency at St. Luke's Hospital in Chicago, Illinois.  

Lindenhurst Family Practice opened its doors in 1999. The team at LFP is committed to providing the highest quality of care and strives to empower patients with communication and an understanding of their health and collaborative wellness plan. 

Dr Stephen J. Clark has been in practice for over 30 years and is dedicated to serving families throughout various milestones in their lives.  Dr. Clark enjoys spending time with his lovely wife, their family, black Labrador Rayna, and is an avid outdoorsman. 


meet your providers

Dr Christine Kharasch, MD

Dr. Kharasch (pron. care-ish) has been practicing medicine since 1989. She earned her undergraduate degree at Illinois State University, attended Medical School at Southern Illinois School of Medicine, and completed her residency at West Suburban Hospital.

She is a respected member of the Lindenhurst Family Practice Team.  Dr. Kharasch highly values helping people lead a healthier lifestyle, provides excellent quality of care, prides herself in running on time, is compassionate, thorough, focused and efficient.


Chris Wyszomirski, PA-C


Practicing since 2000

Undergraduate: University of Chicago

MS: Illinois Institute of Technology

MS, Physician Assistant Practice:  Rosalind Franklin University

Andrew R. Prelletz, PA-C


Practicing since 2016

Undergraduate: University of Illinois Urbana-Champaign

MS, Physician Assistant Practice: Rosalind Franklin University

Samantha K. Josen, PA-C


Practicing since 2016

Undergraduate: Eastern Illinois University

MS, Physician Assistant Practice: Concordia University Wisconsin 

Kelly M. Vinson, PA-C


Practicing since 2005

Undergraduate: University of Southern California

MS, Physician Assistant Practice: The George Washington University 

Sophia O’Bryan, PA-C


Undergraduate: University of Wisconsin - Madison

MS, Physician Assistant Practice: Marquette University