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Dr. Mark Holthouse, MD is the Chief Medical Officer of Renew Institute and a fearless leader who specializes in:

Hormone Optimization,
Age Reversal &
Metabolic Health.

Dr. Holthouse is available to see patients in Idaho, Oregon, Nevada & California!

Dr. Mark Holthouse MD is the Chief Medical Officer for Renew Institute & Functional Medicine of Idaho. He graduated from Loma Linda University School of Medicine and went on to obtain his Family Practice training at UC Davis Medical Center while in the Air Force Scholarship program at David Grant Medical Center, Travis AFB. “Dr. H” has over 32 years of family practice experience and brings years of practice in the areas of Functional/Integrative Medicine. As part of the Institute for Functional Medicine teaching faculty, he has educated thousands of practitioners in hormone health across the nation over the past 10 years. As an assistant professor of medicine on the teaching faculty at Loma Linda University School of Medicine,  he is an expert on cardiometabolic diseases prevention, reversing type 2 diabetes, heart disease, high cholesterol, obesity and metabolic syndrome. In addition to his clinical and teaching experience, he has 30 years of owning his own private practice as acting medical director implementing strategic models in clinical practice and the business of Functional Medicine. Dr. Holthouse and his wife Tammie enjoy photography, snowshoeing, skiing, sailing, hiking, kayaking and good food of course!


Areas of Expertise:

• Expertise in both Men's & Women's Hormone Management and Bioidentical Hormone Replacement Therapy: pellets etc.

• Expertise in thyroid and adrenal gland imbalances

• Expertise in reversing pre-diabetes, diabetic medicine, metabolic syndrome

• Optimizing body composition: lean muscle and belly fat removal / Intermittent Fasting

• Expert in managing cholesterol, cardiac, and blood pressure from a holistic perspective

• Expertise in anti-aging and cellular senescence management

• Expertise in environmental medicine: heavy metals, mold diseases, Mast Cell Activation Syndromes

• Expertise in holistic approaches to autoimmune and gut health

• General Functional Medicine

Experience precision care with Dr. Mark Holthouse, MD. Call now to learn more: (208) 609-9130!

Features & Podcasts

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Functional Medicine Foundations

Ep. 2: How To Be A Radiant Woman with Dr. Mark Holthouse, MD

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Functional Medicine Foundations

Ep. 3: Becoming An Optimal Man with Dr. Mark Holthouse, MD

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Hormones, Mitochondria & More with Dr. Mark Holthouse, MD

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