About
Dr. Charles Penick is a board-certified family medicine physician with deep expertise in environmental medicine and chronic illness. He focuses on mold biotoxin illness, Lyme disease, heavy metal toxicity, MCAS, chronic fatigue, autoimmune disease, and chronic viral infections. His work also explores nervous system health, including vagus nerve function, limbic system resetting, and parasympathetic tone regulation.
Colleagues and patients at Functional Medicine of Idaho recognize Dr. Penick as the practice's detox expert. He accepts detox consultations and brings a thorough, integrative lens to patients whose symptoms trace back to environmental and toxic exposures.
Certifications
Conditions Treated
Who is Dr. Penick right for?
Dr. Penick is an excellent fit for patients struggling with chronic, unexplained illness tied to environmental exposures. Those dealing with mold biotoxin illness, Lyme disease, heavy metal toxicity, MCAS, or chronic fatigue will find his focus directly relevant. He also works with patients whose nervous system health has been affected by toxic or infectious burdens. Patients who have not found answers through conventional care often benefit most from his approach.
Similar Doctors Nearby
Dr. Mark HolthouseMD, FAAFP, IFMCP
Family Medicinehormone imbalance, insulin resistance, pre-diabetes +4 more
Dr. Brian CrownoverMD
Family MedicineDr. Mark JohnsonD.O.
Family MedicineADHD, depression, bipolar disorder
Frequently Asked Questions
Dr. Penick specializes in environmental medicine and chronic illness. His clinical focus includes mold biotoxin illness, Lyme disease, heavy metal toxicity, MCAS, chronic viral infections, autoimmune disease, and chronic fatigue. He also addresses nervous system health as part of his detox and recovery protocols.
Yes. Dr. Penick holds board certification in Family Medicine. He practices as an integrative board-certified family medicine physician with advanced expertise in environmental and biotoxin illness.
Dr. Penick takes an integrative approach to detox that addresses the root sources of toxic burden. He evaluates environmental exposures including mold, heavy metals, toxic chemicals, and chronic infections. He also incorporates nervous system regulation, including vagus nerve and limbic system support, as part of his treatment plans.
Yes. Mold biotoxin illness is one of Dr. Penick's primary clinical focuses. He evaluates and treats patients whose symptoms connect to mold exposure, using targeted protocols to address the biotoxin burden and support recovery.
Yes. Dr. Penick treats Lyme disease and related chronic infections. He takes a thorough root-cause approach to tick-borne illness and chronic infectious disease, looking at how these conditions interact with the immune and nervous systems.
Yes. Dr. Penick has a special interest in vagus nerve function, limbic system resetting, and parasympathetic tone. He incorporates nervous system regulation into his treatment plans for patients with chronic illness and toxic exposures.
You can reach Dr. Penick's team for detox consultations by calling (208) 609-9130. Specialty consultations start at $199 for a 45-minute initial visit.
Doctor profile last updated June 11, 2026
