Cynthia Culp NP-C is the founder and CEO of Foothills Functional Medicine, PLLC in Eagle, ID since 2019. Previously, Cynthia founded and practiced at Rocky Mountain Health and Wellness, LLC in Eagle ID in 2001-2018. She has years of experience in integrative and functional medicine and brings the latest advancements in those fields to the Eagle community and surrounding areas.
Cynthia has been successful treating her patients by utilizing the functional medicine approach; blending pharmaceuticals with nutraceuticals, utilizing science and nutrition to its best advantage to get the optimal effect and outcome. She has had great success treating gastrointestinal problems, mitochondrial dysfunction, autoimmune conditions, and hormone imbalances. She develops a therapeutic alliance with her patients assisting them on their journey to achieve optimal health and wellness.
Cynthia is board-certified family nurse practitioner and was one of the first practitioners to complete the certification through the Institute for Functional Medicine in 2013. Most recently she completed a fellowship and certification in Anti-aging and Metabolic Medicine through American Academy of Anti-Aging Medicine (A4M). She completed the peptide certification through A4M in 2022.
Education: Cynthia received her Bachelor of Arts degree in Nursing from Augustana College, graduating with honors in 1990, then went on to complete her Master of Science degree in Nursing as a Family Nurse Practitioner from Gonzaga University in 1997.
Melissa McCaskill
Nurse Practitioner
Melissa is a board-certified family nurse practitioner with over a decade of nursing experience. As a fourth-generation Idahoan, she is deeply rooted in her community and passionate about providing compassionate, high-quality, and personalized care.
Throughout her clinical journey, Melissa observed a recurring theme—patients were often treated symptom by symptom, without truly getting better. This sparked her shift toward functional medicine, where she now focuses on identifying and addressing the root causes of illness to support lasting wellness and transformation.
Melissa’s academic path began at the University of Idaho, followed by her Bachelor of Science in Nursing from Lewis-Clark State College. She went on to earn her Master of Science in Nursing as a Family Nurse Practitioner from Northwest Nazarene University.
She specializes in hormone optimization, fertility support, breast implant illness, gut and brain health, peptide therapy, regenerative aesthetics, and medical weight loss. Whether it is helping patients balance their hormones, restore their confidence, or improve their overall health, Melissa is committed to helping others feel their best.
Madison is the Office Manager at Foothills Functional Medicine, where she keeps the clinic running seamlessly with her strong organizational skills and calm, compassionate presence. Her background in patient care and office coordination helps support both staff and patients with ease.
As the clinic’s phlebotomist, Madison performs blood draws and IV insertions with accuracy and a focus on patient comfort. She also is certified in functional nutrition, further enhancing the personalized care offered at the clinic.
Madison is passionate about helping others thrive through functional medicine. Outside of work, she enjoys paddleboarding, hiking, and spending time outdoors. Her love for nature and wellness reflects the values she brings to her work each day.
As our Certified Nursing Assistant and Patient Care Coordinator, Larissa combines empathy, organization, and strong communication in every patient interaction. With a background in direct care, she supports clinical procedures, gathers vital information, and ensures patients feel informed and empowered. Behind the scenes, she manages labs, tracks results, and keeps care plans running smoothly.
Outside of work, Larissa enjoys staying active with Pilates and sharpening her problem-solving skills through escape rooms. Her commitment to growth—both personally and professionally—contributes to the welcoming, supportive environment at Foothills Functional Medicine.