Behavioral Health

Megan Riehl, PsyD is a clinical health psychologist on the faculty at the University of Michigan. She has expertise in the treatment of gastrointestinal problems, as well as in providing treatment for patients with a variety of medical illnesses. Dr. Riehl uses cognitive behavioral therapy (CBT), relaxation skills training, and medical hypnosis to collaboratively work to address medical complaints. Dr. Riehl earned her doctorate in clinical psychology from the Adler School of Professional Psychology and completed a GI-specialized health psychology fellowship at Northwestern University Feinberg School of Medicine.

Christina Jagielski, PhD is a clinical health psychologist on the faculty in the Division of Gastroenterology and Hepatology at the University of Michigan. Dr. Jagielski utilizes evidence-based treatment approaches for a range of gastrointestinal conditions including cognitive behavioral therapy, relaxation training, and gut-directed hypnosis.


Jessica Naftaly, PhD is a licensed clinical psychologist specializing in treating patients with a variety of gastrointestinal concerns. Dr. Naftaly works within an interdisciplinary team and provides patient-centered care. She uses evidence-based treatment modalities including cognitive behavioral therapy, acceptance and commitment therapy, and gut-directed relaxation.


Treatment Approach

Our behavioral health program offers psychological and medical nutrition therapy to patients coping with a variety of gastrointestinal symptoms and diagnoses. Our goal is to teach self-management strategies that will benefit your gastrointestinal health, emotional well-being, and overall quality of life. Scientific research has shown that certain behavioral treatments are beneficial for gastrointestinal problems and in some cases, may even work better than medicines.

To learn more, see GI Behavioral Therapy on