Dr. Elena Ivanina is a quadruple board-certified gastroenterologist with expertise in Internal Medicine, Gastroenterology, Preventive Medicine, and Obesity Medicine. She completed advanced training in functional medicine at the Institute for Functional Medicine and specializes in integrative approaches to gut health. Dr. Ivanina combines her medical expertise with a holistic philosophy, using food as medicine and personalized treatment plans to address the root causes of conditions like SIBO, IBS, and chronic digestive issues for lasting healing and wellness.
Dr. Elena Ivanina
Katie Morton, DNP, APRN, FNP-BC
Katie Morton, DNP, APRN, is a board-certified Family Nurse Practitioner specializing in integrative gastrointestinal health. Katie earned a Doctor of Nursing Practice (DNP) degree with summa cum laude honors from Fairfield University. Her clinical training included hands-on experience at Yale New Haven Health Digestive Diseases Clinic, where she developed extensive skills in managing complex gastrointestinal conditions.
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Before joining the Center for Integrative Gut Health, Katie offers years of diverse healthcare experience, including nursing roles at NYU Langone Health, Connecticut Children’s Gastroenterology Infusion, and case management. Her professional journey also includes advanced training through the Institute of Functional Medicine and the American Academy of Lifestyle Medicine.
Passionate about root-cause resolution medicine, Katie is dedicated to uncovering and addressing the underlying causes of gastrointestinal issues, moving beyond temporary fixes to achieve long-term health improvements. Her medical approach, refined through direct mentorship from Dr. Elena Ivanina, integrates evidence-based practices with holistic care to transform patients’ digestive health and quality of life. This includes leveraging cutting-edge microbiome stool testing and advanced protocols. Her clinical expertise includes: SIBO, SIFO, IBS, constipation, colon cancer prevention, GERD, NAFLD, diverticulosis, leaky gut, weight loss, as well as gut microbiome optimization.
Outside of her professional life, Katie enjoys exploring the latest in wellness and lifestyle medicine, continuously seeking ways to enhance her practice and personal growth. She is committed to working closely with patients to achieve balanced gut microbiome health and overall wellness through a personalized, comprehensive approach.
Lizz Roberts
Health Coach
Lizz Roberts is a passionate health and wellness coach and graduate of the Andrew Weil Center for Integrative Medicine. With a strong focus on gut health, she empowers clients to achieve optimal wellness through personalized strategies that enhance their overall well-being. By integrating her knowledge in nutrition and lifestyle changes, she helps guide individuals to feel their best, both physically and mentally. Her warm and approachable style inspires lasting transformation, making wellness accessible and achievable.
Liza Hayes
Clinical Director
Liza Hayes is the Clinical Director at the Center for Integrative Gut Health. With an extensive background in wellness science and alternative/functional medicine, Liza oversees the strategic and operational aspects of the center’s holistic gut health practice.
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Liza pursued a Bachelor of Science in Wellness and Alternative Medicine. Following that, she got her Functional Medicine health coaching certification through the Functional Medicine Coaching Academy which is affiliated with IFM. She is dedicated to advancing her field through ongoing education and is currently pursuing a Master’s degree in Nutrition at the University of Bridgeport. She has a passion for all things gut health and is well-versed and knowledgeable on many gut-related subjects, but she is particularly passionate about SIBO and the Low Fodmap diet.
When Liza is not working, you can find her outside with her husband and dog, Olive. If she is not outside, she is in the kitchen whipping up fun and creative gluten and dairy-free meals! Liza is committed to advancing the center’s mission and helping individuals achieve a balanced and fulfilling life.
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