Providers

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Mario Brus, MD

Dr. Mario Brus obtained his medical and pediatric specialty training at Loma Linda University in Southern California. He is a board-certified pediatrician and maintains his Fellow of the American Academy of Pediatrics (FAAP) designation with his ongoing commitment to lifelong learning and advocacy for children. His current emphasis is pediatric functional medicine, which aims to find underlying causation for pediatric chronic conditions. He addresses the root cause of these conditions with appropriate laboratory testing, genetic testing, and by emphasizing lifestyle and nutrition changes, as well as appropriate nutritional supplementation. This functional approach to pediatrics allows Dr. Brus to partner in the care of your child by listening to your concerns and making your child’s health his primary focus. He believes in a conservative use of drugs and an aggressive encouragement of lifestyle and dietary changes that strongly impact body and brain function. Overall, his goal is to fix health issues at their source.

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Jennifer Hudson, DO, FACOG

Dr. Jennifer Hudson obtained her medical degree from Virginia College of Osteopathic Medicine and completed her residency training in OB/Gyn at Wright State University/Wright-Patterson Air Force Base in Dayton, OH. She is a board certified OB/Gyn specialist through the American Congress of Obstetrics & Gynecology. For her functional medicine training, she has completed the Kresser Institute’s ADAPT Framework Level One course and plans additional certification through the Institute of Functional Medicine in the near future. She transitions from a busy local conventional practice to pursue professional goals in assisting women of all ages in their quest of optimizing health and promoting healing by identifying root cause of symptoms. Her interest in Functional Medicine started with her own journey to get healthier in preparation for pregnancy, and she continues to reap these rewards every day in her own life and that of her family. She provides full spectrum OB/GYN care with an integrative and holistic perspective; her favorite clinical interests include fertility, natural birth, lactation, family planning/contraception, menstrual disorders, and minimally-invasive gynecologic surgery. She also supports women through the menopause transition, focusing on using the functional medicine philosophy to help balance hormones and prescribes bioidentical hormone replacement when appropriate. Dr. Hudson boasts an extremely low cesarean rate and loves partnering with local doulas to foster the beautiful process of childbirth in a hospital.

*Dr. Hudson will begin seeing patients in August*

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Amber Warren, PA-C

Amber received her Masters in Physician Assistant studies from Midwestern University. She has completed the educational requirements for the Institute of Functional Medicine and will be fully certified in 2019. She started her career in orthopaedic surgery, appreciating anatomy and physiology, but ultimately had a desire to investigate the body as a whole. She eventually moved into the field of rheumatology, fascinated by the immune system and chronic disease management. It was in this space that she started to investigate the immune system’s interaction with environment, and the root cause of autoimmune disease- alterations in the microbiome. Passionate about nutrition, she started to implement “food as medicine” with her patients, and saw dramatic improvement in symptoms, and ultimately a reduction in the need for pharmaceuticals. A career in functional medicine has allowed her to incorporate everything she believes is needed to heal the body. Outside of her career, Amber enjoys mountain biking, skiing, and anything in the outdoors with her three boys and husband.

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Karen Callagy, PA-C

Karen received her Bachelor’s degree in Kinesiology from Pennsylvania State University in 1997. After working in Physical Therapy, as a PTA for several years, she went on to obtain her M.S. in Physician Assistant Studies at Arizona School of Health Sciences in 2005. She began her PA career in Family Medicine, eventually transitioning to Urgent care, as well as a brief stint in Oncology. In all these settings, she began to realize that prescribing medications was not enough to make patients better and in many cases only perpetuated the problem. In her personal life, she was dealing with family members with autoimmune diseases that conventional medicine could not help, because diet was never addressed. After discovering the Institute of Functional Medicine in 2014, there was no turning back. Not only has she helped her own family but innumerable patients with the help of IFM. She continues to work towards her IFM certification, specializing in thyroid and gut health. Karen firmly believes in “mind, body and spirit” and that each of these aspects must in balance for her patients to achieve their maximum health potential. She immensely enjoys going on the journey to wellness with her patients and believes it “takes a village” to accomplish this, ie. Nutrition staff, life coaching, and in some cases counseling. In her personal life, she enjoys outdoor activities with her husband and 3 children, on the mountain where they reside, with their bunnies and Bernese Mountain Dog.

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Amy Ray, FNP

Amy Ray is board certified by the American Nurse Credentialing Center as a Family Nurse Practitioner. Amy has over 17 years of healthcare experience and is passionate about seeking out the root cause of chronic disease and empowering her patients to reach and maintain a state of optimal wellness. She has her Master’s degree in Nursing from MGH Institute of Health Professions in Boston, MA. She is currently pursuing certification in functional medicine from the School of Applied Functional Medicine as well as IFM. Outside of the office, Amy enjoys fitness, volunteering, gardening, traveling and all things outdoors. She and her husband moved to the area in hopes of enjoying all the wonderful outdoor opportunities Idaho has to offer. Amy is now accepting new patients for family & functional medicine.

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Teresa Gabiola Shelton, PA-C

Teresa earned her Masters in Physician Assistant Studies from Idaho State University. She spent several years as a family practitioner in Utah and Idaho, then began working in Men’s Health, Women’s Health, Age Management, and Integrative Medicine. Through continued education at A4M, she’s rediscovered new tools to treat causes of illness, which took the focus away from treating symptoms and instead placed that focus on the entire person. Teresa focuses her practice on metabolic dysfunction and diagnosing and treating hormonal imbalances. She is well versed in using bio-identical hormone therapies. Additionally, she specializes in using intravenous nutritional therapy to treat and prevent a wide variety of chronic illnesses. Her goal of returning control to the hands of the patient and empowering them to find their best health, in Teresa’s experience, is best reached with the therapies of both functional and traditional medicine. She is excited to return to family medicine at Functional Medicine of Idaho and is proud to become a member of this dynamic team. Teresa looks forward to learning about you and your health goals, and to working together to help you feel your best. In her free time, she enjoys getting outside with her two sons and husband, attending events at the Basque block, and getting grubby in her garden, then cooking her native foods for a full house.

Health Coach / Nutritionists

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Tamra Geryk, RN, Nutritionist

Tamra is a Functional Medicine Registered Nurse, Nutritionist and Health Coach. An educator at heart Tamra is passionate about creating change in how health care is provided and perceived. She is currently pursuing her certification through the Institute of Functional Medicine, specializing in detox, brain health and cardiometabolic health. She has completed all of the Institute of Functional Medicine training modules. Tamra earned a Bachelors of Science in nursing from the University of Massachusetts, Amherst and completed their accelerated second bachelor’s nursing program. She completed her Masters of Science in exercise science specializing in health promotion, disease prevention and behavior modification. During her graduate studies she completed her field work at Canyon Ranch in Lenox, Massachusetts and her Health Coaching Certification through the Institute for Integrative Nutrition in NYC. Tamra’s journey into functional medicine began while seeking root cause medicine to address her own digestive and energy imbalances over 15 years ago.

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Abi Delfico, Nutritionist

Abi has over a decade of experience with health and wellness, with an emphasis fitness. She received her BA from University of Hawaii at Manoa, with advanced studies at University of Puerto Rico Rio Piedras. She furthered her holistic health studies through the Institute for Integrative Nutrition, with additional certification as a Holistic Hormone Specialist. Abi continues to study through the Institute of Functional Medicine. She has extensive experience as a functional movement specialist, exercise program design and a certified yoga teacher. She is passionate about helping others achieve optimal wellness through bio individuality of nutrition and lifestyle choices.

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Madison Wolf, Nutritionist

Madison received her Bachelor’s degree in Nutrition and Dietetics in 2014 from Metropolitan State University of Denver. Through her education, she gained experience within several different aspects of nutrition including clinical, community and counseling services. She has many years of experience as a nutrition coach and appreciates the unique bioindividuality of each person she works with.  Madison is passionate about empowering others to take control of their health through nutrition, fitness, and mindset.  When she’s not in the office, Madison is usually in the kitchen cooking a new recipe, practicing yoga, or enjoying the outdoors with her husband and two dogs.

Medical Assistants

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Savannah Pataro, MA

ashley

Ashley Redman, MA

hayden

Hayden Fowler, MA

Administrative Staff

kinsey

Kinsey Middleton,

Marketing Director
rebecca

Rebecca Calhoun,

Office & Billing Coordinator
mckinzie

McKinzie Ferguson,

Patient Care Coordinator
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Deb Henderson,

Patient Care Coordinator