Personalized wellness at Peak Health Institute. Start your journey with a customized, individual wellness plan so you can reach your full health potential.
Prevention is the cornerstone of true health optimization
Health optimization begins with disease prevention.
Whether managing chronic illness or boosting wellness, our integrative care plans help you perform at your best.
At Peak Health Institute, we support the root problem, not just your symptoms.
17+
Years of combined experience
5 stars
on google
10K
Happy Customers
Unlock Yourself with Functional Medicine
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Peak Health Institute exists to provide you with the best in human optimization and performance. At our functional medicine center in the Chicago area, we use a research-based approach that combines time-tested foundational health principles with cutting-edge alternative medicine tools that can take you to the next level of health and wellness.
Schedule An AppointmentMeet the team
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Katie Mcmanigal
Founder & Medical Director
Jessica Montalvo, md
Functional Medicine, Medical Doctor
Dr. Kelsie Lazzell, ND, DC
Naturopathic Doctor
Jordan Neumann, DNP
Board-Certified Family Nurse Practitioner
Racheal Feliz, FNP-BC
Board-certified Family Nurse Practitioner
Katie Mcmanigal
Founder & Medical Director
Jessica Montalvo, md
Functional Medicine, Medical Doctor
Dr. Kelsie Lazzell, ND, DC
Naturopathic Doctor
Jordan Neumann, DNP
Board-Certified Family Nurse Practitioner
Racheal Feliz, FNP-BC
Board-certified Family Nurse Practitioner
Highly recommend to anyone looking for top-notch health services!
We are so thankful to Peak Health for all the amazing experiences we've had with our girls! Without the care and support of their practice, we wouldn't have been able to get the IV therapy our girls needed. The team is always professional, friendly, and truly dedicated to helping their patients. Highly recommend to anyone looking for top-notch health services!🩷
Nina Norasith
Katie and team are incredible
I went to see her because I had lingering tennis elbow pain for over two months. She was able to support me the right way (eg not giving me something that will give me short-term comfort but long-term issues) and now I’m paying free. I’ve consulted Katie before and she is incredible. Whenever I have issues, I go to her first. I can’t recommend her and the team enough!
Mark Kappelman
I highly recommend it to anyone
I discovered this place while exploring alternative ways to improve myself and enhance my daily life. In a world full of noise, it offers a sanctuary where silence is valued and nourishment through holistic methods takes center stage, all while keeping personal goals in focus. I highly recommend it to anyone striving to become a better version of themselves, it’s a true destination for all things health and wellness.
Secoizm
Peak Health Institute is a gem
The front desk staff are consistently helpful, and the providers truly care about addressing my health concerns. I always feel genuinely heard, a rarity in my healthcare experience.
Jenna C.
Her staff are amazing
Dr.Montalvo and her staff are amazing! Her nurse Vanessa is so compassionate in providing patient care. They really address your health needs I absolutely recommend Peak Health Institute for all your health and wellness needs.
Concept Roses
extremely knowledgeable and describing
Love this practice. Ive haven't felt as good as I do know in years. Dr Lazzell is extremely knowledgeable and describing how the body systems work together. Supplements allowed me to stay off medications that were causing side effects. I cannot recommend the practice and Dr Lazzell enough.
Elizabeth L.
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