Where Experience Meets Innovation
From Remote Fasting Pioneer To Leading Retreat Center
“I am so grateful for Dr. Schefer. My impression is that he is really great at looking at each person as an individual and making a plan that fits the individual. I was really impressed by the time and energy that Dr. Schefer gave me. He helped me to make changes slowly so that I felt comfortable and he didn’t judge me when I slipped up.”
Dr. William Schefer, ND
Founder & Medical Director, True Nature Healing Center
With extensive experience in supervised fasting protocols, Dr. William Schefer has become a recognized expert in therapeutic fasting and natural healing. His transition from overseeing remote fasting to founding a comprehensive in-patient fasting retreat center reflects his commitment to advancing the field of natural medicine.
Professional Background
A native of Long Island, New York, Dr. William Schefer earned his Bachelor of Science from the University of Miami before completing his Doctor of Naturopathic Medicine degree at Bastyr University in San Diego, California. He went on to complete residency training at TrueNorth Health Center in Santa Rosa, California, where he gained specialized experience in medically supervised water-only fasting and nutrition-based care. Today, he draws on this focused training and years of clinical experience to guide individuals through medically supervised fasting programs at True Nature Healing Center.
“I wholeheartedly recommend Dr. Willie Schefer as a naturopathic doctor. His extensive training in traditional and alternative medicine makes him the perfect doctor to consult regarding any health matter.”
“Dr. Schefer provides the most precise and well-thought healthcare I have ever experienced. He goes beyond the average practitioners who typically treat patients out of a textbook. He takes time to listen and evaluate the situation in every detail, then organize a plan specific to the issues at hand. ”

