Robert (Rav) Ivker, DO, ABIHM

Dr. Rav’s focus is working with patients suffering with chronic pain and chronic sinusitis; as well as patients and/or students interested in healing their lives and experiencing a greater measure of health and happiness.

He sees patients at the Boulder office on Tuesdays and Thursdays.

Learn more about Dr. Rav 

Todd Nelson, ND, D.Sc.

Todd is a Naturopath with whom Dr. Ivker has been collaborating for nearly three decades.  He has been referring his most challenging patients, those with severe chronic illness who he has been unable to help, to Todd since 1990.  The vast majority of these patients have experienced a significant improvement in their chronic condition after working with Todd.

Todd has also been the co-author with Dr. Rav of Arthritis Survival (2001), Asthma Survival (2001), and Headache Survival (2002).  All three books were published by Tarcher/Penguin.  He has also been a major contributor to each of Rav’s other books.

Todd holds many advanced certificates in Clinical Nutrition, Functional Medicine, First-Line Therapy, and Personality Assessment. He has been serving the Denver/Boulder area in clinical practice for 36 years, integrating comprehensive holistic modalities including Functional Medicine testing, clinical nutrition, medical-grade dietary supplements, detoxification, fitness, herbal medicine, lifestyle counseling, stress mastery and life coaching. He is a nationally known speaker, teacher, and author.

Todd sees patients at the FAM office in Boulder on Wednesdays and in his Tree of Life Wellness Center practice in Lakewood on Mondays, Tuesdays, and Thursdays.

Learn more about Dr. Nelson

Katie Wells

Katie is an energy healer who also serves as Dr. Rav’s assistant at FAM. She is happy to help you with any questions you may have with scheduling, or with any other logistical and practical matters. When you come for your appointment, she will be here to welcome and guide you. If you are applying for your MMJ card with the State Registry, Katie will make sure you have the information you need to complete the application. You can contact her at the office (LINK to contact page).

Katie offers energy healing sessions from her office in Lafayette. You can find out more about her work here: