John Neustadt, ND, is the medical director of Montana Integrative Medicine (MIM) and co-founder with Steve Pieczenik, MD, PhD of Nutritional Biochemistry, Incorporated (NBI) and NBI Testing and Consulting Corp (NBITC). He is an internationally acclaimed clinician, author and speaker. Dr. Neustadt has written more than 100 articles and is a regular contributor to the medical journal, Integrative Medicine. Dr. Neustadt wrote the books Thriving through Dialysis with Jonathan Wright, MD and A Revolution in Health through Nutritional Biochemistry with Dr. Pieczenik.

Dr. Neustadt trained in Prolotherapy under the direct supervision of Thomas Dorman, MD, one of the leading practitioners and teachers. He has completed advanced certification courses in Prolotherapy taught by the Naturopathic Academy of Therapeutic Injections (NATI). In August 2008, Dr. Neustadt was voted Best Doctor among all physicians in the annual Best of Bozeman survey.

Dr. Neustadt is on the editorial advisory board for the Journal of Prolotherapy and Remedies Magazine. He is an editor of the textbook, Laboratory Evaluations for Integrative and Functional Medicine. In September 2006, Dr. Neustadt was invited to speak at the 1st European Conference on Anti-Aging Medicine in Vienna, Austria. Dr. Neustadt earned his naturopathic medical degree from Bastyr University.

Professional associations:
American Academy of Pain Management (AAPM)
American Association of Naturopathic Physicians (AANP), Scientific Affairs Committee Member
American Association of Orthopedic Medicine (AAOM)
American College for the Advancement of Medicine (ACAM)
Montana Association of Naturopathic Physician (MANP)
Naturopathic Academy of Therapeutic Injections (NATI)
Oncology Association of Naturopathic Physicians (ONCANP)