Physician Assistant

Allison Ewing, APNP

Allison has joined the Richland Medical Center team as an APNP, working directly with our weight loss and nutritional support programs.

Allison completed her Bachelors of Nursing at UW-Madison and Masters of Nursing at Viterbo University.

She has worked at the Richland Hospital since 2005, beginning as a daycare assistant with her final role as an OR/PACU RN

In her free time, Allison enjoys spending quality time with her family, kayaking, running, and attending classes at the local recreation complex.


Nicole "Nikki" Grossen, PA-C, NCMP

Nikki Grossen is a licensed Physician Assistant working to care for patients in conjunction with Janice Alexander, MD.

Nikki began her career in OB/GYN in Green Bay, WI and most recently has worked as a PA-C in Family Medicine clinics in the Madison area. Originating from the Chicagoland area, she is currently happy to call Wisconsin home.

Nikki's hobbies include antique furniture, outdoor activities, running, and cheering on the Chicago Cubs.


Lindsey Lawless, PA-C

Lindsey Lawless primarily works in the Richland Medical Center Urgent Care Department as a Physician Assistant.

She received her degree from Towson/CCBC Essex Physician Assistant Program and her Bachelor of Science in Biochemistry from Northern Michigan University.

In her free time, Lindsey enjoys time with her family, exercising their dogs, hiking, hunting, and gardening.


Stephen M. Wolk, PA-C

Stephen Wolk has over 25 years of experience treating patients of all ages. He provides preventive care, urgent care, and the treatment of chronic conditions such as high blood pressure, asthma, diabetes, and hyperlipidemia at Richland Medical Center and Spring Green Health Center. He also performs nursing home rounds at Schmitt Woodland Hills. He has developed an interest in tropical medicine and has joined missions trips to Jamaica and Haiti.

He received his Bachelor of Medical Science from St. Louis University and Master of Medical Science from St. Francis University.