James S. Nagel, M.D.
Dr. Nagel has a triple board certification in Anti-Aging Medicine, Functional Medicine, Regenerative 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 extensive training in Anti-Aging Medicine by The American Academy of Anti-Aging Medicine. He is board certified in Anti-Aging and Functional Medicine as well as board certified in Integrative Holistic Medicine. Dr. Nagel is an affliate physician with the Scripps Institute for Integrative Holistic Medicine
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.
Marie Hoag
Marie is the Director of Operations and has been studying Anti-Aging Medicine along with Dr. Nagel to offer the best in patient care, luxurious spa-like atmosphere, unsurpassed customer service and the best in premier supporting products. She is currently working on her MBA.
Jessica Simmons
Jessica has been in the healthcare field for more than seven years and has brought her expertise in patient education and care. She is our Head Coach and Programs Director.
Patty Strieby
Patty is the Executive Receptionist and Patient Concierge. Patty will most likely be the person to answer your call into the Institute. She will be happy to assist you in any way she can or direct you to the appropriate person.
Marissa Hadidian
Marissa is our Medical Assistant and Patient Concierge. When she is not assisting her team in some way, she is organizing and setting up community events and lectures for Dr. Nagel. When in the Institute, look for Marissa, she will be happy to get you anything you need; a healthy snack, a hot or cold beverage or anything that will help make your visit with us as comfortable as possible.
Diana Hum
Diana is our Senior Medical Assistant and Clinical Manager. She has been with us for seven years and has been a key player in patient care at our Humboldt location.
Sandra Shelton
Sandra is our Administrative Manager of the clinical department with Dr. Nagel. She has been a large asset in assisting patients with coordinating treatments.
Jennifer Sanchez, F.N.P.
Jen, otherwise known as "Crickett" is our Certified Family Nurse Practitioner treating our family practice patients in our Humboldt office and assists Dr. Nagel in treating patients and balancing hormones at QLI.