“Your time is your most valuable asset.
Investing in your health is investing in everything you still want to do. Our purpose is to help you live longer, feel stronger, and make more of the life ahead.”
Charles Butler, MD, OLY
A passion for science and the human body. Conviction in the power of the mind. Dr. Charles Butler was inspired to create OmniWell to help people live healthier, stronger, longer lives. An Olympic Athlete, board-certified Internal Medicine Physician, and NYU School of Medicine graduate, he brings more than 15 years of acute hospital care experience to a proactive approach focused on prevention and maximizing human potential. His vision guides personalized care that complements the work of each patient’s existing physicians.
“No Limits” is the spirit behind OmniWell: a passion for what is possible and a commitment to helping people pursue it.

Amanda Arendt, DPT
A passion for movement and a belief in what the body can achieve. Amanda Arendt is a Doctor of Physical Therapy and founder of PRx Physical Therapy in Lake Bluff. A graduate of Rosalind Franklin University, she combines sports rehabilitation with experience as a coach and competitive athlete. Her background spans gymnastics and track, with continued training and competition in CrossFit and HYROX. Her approach centers on understanding movement, building strength, and tailoring rehabilitation to each person’s goals. At OmniWell, she brings that perspective to physical performance, mobility, and the everyday activities that make a longer life meaningful.
Her focus: helping you move with confidence, build lasting strength, and stay connected to the activities you love.

What do you want
to keep doing?
Personal longevity & performance medicine.
Lake Forest · Chicago’s North Shore