Meet The Team

Our expert and empathetic staff is ready to serve you on your journey to better health.

Jon Harmon
Craig Smith

Meet Our Doctors and Practitioners

Dr. Michael Karlfeldt

Head Naturopath

Dr. Michael Karlfeldt, ND, Ph.D, is a Board Certified Naturopath (CTN® ) with expertise in IV Therapy, Applied Psycho Neurobiology, Oxidative Medicine, Naturopathic Oncology, Neural Therapy, Sports Performance, Energy Medicine, Natural Medicine, Nutritional Therapies, Aromatherapy, Auriculotherapy, Reflexology, Autonomic Response Testing (ART) and Anti-Aging Medicine. Dr. Michael Karlfeldt is the host of the popular TV show True.Health: Body, Mind, Spiritnow airing on Amazon Prime.

Dr. Craig Smith

Medical Doctor

Dr. Craig Smith is Board Certified in Family Medicine and specializes in Sports Medicine. He moved to Boise from Sioux Falls where he was working in a large orthopedic clinic as the Sports Medicine director. Dr. Smith now works closely with the Karlfeldt Center’s patients and other practitioners to coordinate the quickest, most effective course of treatment for each patient. Dr. Smith enjoys tailoring treatment plans to the individual based on each person’s unique needs. 

Dr. Jon Harmon

Certified Neurofeedback

As a young boy, Dr. Harmon received so much benefit from Chiropractic that he decided he wanted to be a Doctor of Chiropractic. This has always been his passion! He attended the University of Utah and has a BS degree in Human Biology. After graduating summa cum laude from the Los Angeles College of Chiropractic in 1989, he settled in Boise where he has been practicing ever since. After experiencing the severe family emotional trauma of the suicide of his eighteen-year-old niece in March of 2010, the murder of his eldest daughter’s husband in March of 2011, his younger daughters started to experience depression, anxiety and insomnia. Counseling and prescription drugs weren’t helping so he decided to find other therapies to help his family. This led to expanding his education and practice to serve individuals with Neurofeedback and his passion to help others. Dr Harmon is Board Certified in Neurofeedback by the BCIA the international standard in biofeedback certification for MDs, Ph.D.’s, Psychiatrists, DOs, DCs and all healthcare professionals.  He is married, father of eight children and grandfather of 21.  He enjoys working out, staying fit, eating healthy, writing poetry, composing songs and spending time with his family.

Dr. Stephen Iacoboni

Medical Doctor

An oncologist who has seen many patients through their battle with cancer in his three-decade career, Stephen J. Iacoboni, MD, served his fellowship at the prestigious MD Anderson Cancer Center in Houston Texas, receiving the Outstanding Researcher award and presenting his findings at the American Society of Clinical Oncology. Iacoboni also co-founded St. Mary’s Regional Cancer Center in Walla Walla, Washington, where he lived and practiced for 16 years, leaving to become Medical Director of the Kootenai Cancer Center in Coeur’d Alene, Idaho. In 2010 he returned to Washington to co-direct the Kennewick General Hospital Hematology-Oncology program. Dr. Iacoboni is also the author of the inspirational book, The Undying Soul. 

Caroline de los Reyes, NTP, RWP, APN

Nutrition Therapy Practitioner

Caroline is a certified Nutritional Therapy Practitioner (NTP) and Restorative Wellness Practitioner (RWP).  She is passionate and strives to assist clients in finding their optimal health and true vitality through functional nutrition.  She understands bio-individuality and creates a practical application for nutrient balancing and food planning.  She customizes protocols for complex digestive, autoimmune, and hormonal issues, through using advanced lab testing.  She is a catalyst for transformation, integration, and wholeness.  Using her emphatic and intuitive gifts, as she practices Applied Psycho-Neurobiology (APN). 

Jennifer Whitney

Certified Holistic Nutritionist

Jennifer Whitney is a Certified Holistic Nutritionist, trained in western and eastern nutrition.  She graduated from the Wellspring School of Healing Arts in 2012 and became a Certified Gaps Practitioner in 2014.  She is also trained in Applied Kinesiology, Laser Energetic Detoxification (LED) and Laser Desensitization Techniques (LDT).  She specializes in designing nutritional programs to best fit her clients’ needs.  Her areas of specialty are in autoimmune, gastrointestinal, neurological, sports and oncology nutrition. She has hosted Gaps retreats, taught cooking classes, given public speeches and appeared weekly on the Doctor Michael Show from 2013-2014 teaching custom recipes and giving interviews on nutritional topics such as the Gaps diet. She is passionate and dedicated to helping people heal their body through food and nutrition.

Dr. Péter Mester is a naturopathic doctor whose practice focuses on Applied Psycho Neurobiology and the unique bio-individuality of each patient. Growing up in Europe, Dr. Mester developed an early appreciation for Energy Medicine and the teachings of world-renowned physician Dietrich Klinghardt, MD, PhD. Dr. Mester’s extensive training in Klinghardt’s Autonomic Response Testing and The Vertical Healing System: the 5 Levels of Healing allows him to apply specific biological interventions that support health and healing from the inside out.

What area of health can we help you improve? Schedule an appointment today in Meridian, Idaho.