Marcel Wiggers, M.D., is a board certified Internal Medicine Physician. He graduated from Loma Linda University Medical School in 1996 and completed his internship and residency at Loma Linda University Medical Center. He is currently a partner at a clinic in Grants Pass, Oregon.

Dr. Wiggers was a staff physician at Weimar Institute's NEWSTART program from 2000 - 2004. He is a frequent presenter in lifestyle medicine and at Coronary Health Improvement Project programs. He is currently a lecturer for Reversing Diabetes and Obesity Seminars.