General Practitioners

Caitlyn Windsor, MSN, APRN, FNP-BC (Kewanee location)


Caitlyn grew up in Waukesha, WI and attended Carroll University where she received her bachelor's degree in nursing in 2009. She spent 6 months volunteering in Guatemala before working at Froedtert Hospital and the Medical College of Wisconsin in vascular surgery, plastic surgery, and ENT for 8 years prior to relocating to Illinois. In 2020, she graduated from Alverno College with her master's degree in nursing and is a board-certified Family Nurse Practitioner. She worked as a Nurse Practitioner in Occupational Health prior to joining First Choice Healthcare. Caitlyn has always had a passion for educating patients, which led her to her current role. Her goal is to empower patients to maintain a healthy lifestyle while providing individualized care throughout their lifespan. In her spare time, Caitlyn enjoys spending time with her husband and two sons on their small hobby farm.

Karol O'Neill, MSN, APRN, FNP-BC (Kewanee Location)


Karol was born and raised in Kewanee. She graduated as a registered nurse in 1980 and  worked in a hospital setting for 20 years before she decided to return to school.  Karol received her bachelors degree, and then returned again to get her masters degree in nursing from the University of Illinois at Chicago in 2002.  Since that time Karol has worked as a certified Family Nurse Practitioner in Kewanee. Working in family practice for 20 years she  has seen patients of all ages. She wants to help people feel better, and also strives to teach them how to help themselves feel better. Karol has lived in Kewanee with my husband, Mike and she keeps busy with their three children and six grandchildren.

Amanda Rediger, MSN, APRN (Toulon location)


Amanda has lived in the central Illinois area her whole life. After graduating from Bradley University with her BSN, she began working at St. Mary Medical Center on the Medical-Surgical Unit. Amanda quickly discovered her love for pediatrics and spent several years working as a pediatric critical care and pediatric hematology/oncology nurse at the Children’s Hospital of Illinois before transferring to an outpatient clinic. In 2021, Amanda graduated from Bradley University with her Master’s degree in Family Practice. She strongly believes that our health is determined by more than just our physical well-being, and as passionate about providing care that encompasses the physical, mental, spiritual, and social needs of her patients’ throughout all ages and stages of life.

Mary Fuller, DNP, APRN, FNP-BC (Colona location)

MaryDedicated to patient care for over 13 years, Mary began her career in healthcare as a Certified Nursing Assistant in 2009. She graduated from Northern IL University with a Bachelor’s degree in Nursing in 2013, and worked as Registered Nurse in the intensive care unit for 6 years between Genesis Medical Center in Davenport, IA and OSF Healthcare in Peoria, IL, as well as at Genesis Health Group family practice for 1 year. Mary went on to graduate school at Bradley University and obtained her Doctorate of Nursing Practice as a Family Practice Nurse Practitioner in 2019. Since then, she has been providing care to our patients at First Choice Healthcare. Mary's goal is to provide individualized and compassionate care that not only aims to treat illness and manage chronic disease, but also to empower patients in maintaining wellness throughout the many stages of life.