Dr. Goodyear is a natural, holistic, and integrative expert in the cancer field. He is the medical director at Brio Medical, a holistic, integrative cancer healing center in Scottsdale, Arizona.

Dr. Goodyear received his Bachelor of Arts from Louisiana Tech University and his Doctor of Medicine from LSU Health Sciences Center. He is Board Certified in Obstetrics and Gynecology and served as the Chief Resident in Obstetrics and Gynecology at the University of Tennessee. Dr. Goodyear is a Fellow in Functional and Regenerative Medicine, is a medical Advisor for NEO7 Bioscience, and has been named as the President of the North American Society of Laser Therapy Applications (NASLTA).

Dr. Goodyear is dually licensed by the Arizona Medical Board and the Arizona Homeopathic and Integrative Medical Board in Arizona. Dr. Goodyear has been a part of the Integrative Medicine movement since 2006 and has spoken across the country on various topics in Integrative Medicine and is a sought-after speaker and podcaster on the subject of high-dose IV vitamin C, vitamin C stacking therapies, Medical Cannabis in the treatment of cancer, Insulin Potentiated Low-Dose Metronomic Chemotherapy (LDMC-IP), Hyperthermia, as well as other natural, holistic, and integrative strategies, including therapy stacking, in the treatment of cancer. He has collaborated and taught internationally on High-dose IV vitamin C and vitamin C stacking therapies to treat SARS-CoV-2 and cancer.

Dr. Goodyear is an avid writer, published author of two books (a third book on Hormone metabolites and cancer is soon to publish), blogger (DrGoodyear.com), and podcaster ("Practicing with Dr. Nathan Goodyear"), and was featured in the book, "BOLD Mission, Courageously Pursue your Calling," by Author and International Speaker Debra Boblitt. He is a regularly featured guest on the largest, nationally syndicated health radio show, the Doctor Bob Martin Show. He was also featured on the Mercola podcast on the topic of High-dose vitamin C in cancer treatment. Dr. Goodyear is a patient advocate, a thought leader, an avid entrepreneur, and a leader in integrative medicine.