James S. Nagel, M.D.

Dr. Nagel is a specialist in Anti-Aging Medicine, Functional Medicine and Internal Medicine.  He graduated from Loma Linda University in 1989, and then received his boards in Internal Medicine subsequent to completing his Internal Medicine residency from Kettering Medical Center, Kettering, Ohio in 1992.  He has also been trained in Functional Medicine by the Institute for Functional Medicine as well as a fellowship in Anti-Aging Medicine by The American Academy of Anti-Aging Medicine.  He will be board certified in Anti-Aging Medicine in December 2007.

Dr. Nagel has been practicing in the Chico area for more than 12 years and founded The Quality of Life Institute in 2000.  His approach to health-care is patient centered rather than disease centered, eliciting all the patients concerns by actively taking the time to listen to his patients story in order to discover the antecedents, triggers and mediators that underlie their ill health.  Dr. Nagel believes in utilizes a multi-model approach that is collaborative, flexible, and focused on controlling or correcting the cause, rather than just treatment of disease entities.  Treatment is centered on the integration of therapeutic life-style changes, nutrition based therapy, hormone supplementation, and drug therapies when appropriate.  Dr. Nagel is committed to treating the cause of your disease, not just the symptoms, to help you improve the quality of your life and health, naturally.

Jennifer C. Sanchez, F.N.P.

Jen Sanchez is a licensed family nurse practitioner.  She received an RN and a Bachelors of Science degree in nursing at California State University, Chico in 1999.  During this time she taught in the nursing program at Chico State.  She then obtained a Masters of Science degree in nursing at the California State University, Sonoma in 2004.  Upon graduating she received her license for Family Nurse Practitioner. 

Jen sees primary care patients both male and female, as well as specializes in womens health.  She has been trained by Dr. Nagel in hormone replacement therapy and is the Director of the PMS Treatment Centre at the Humboldt facility.  She also speaks Spanish and takes same day appointments.

Marie Hoag

Diana Hum

Sandra Shelton

Jessica Dilorenzo