Meet our experts

Dr. Debbie Rice

Debbie Rice, ND, MPH

Director of Clinical Education

Dr. Rice is the Director of Clinical Education for Precision Analytical and practices part-time as a naturopathic doctor where she focuses care on pediatric health, hormone health, thyroid health, and adrenal health. She has had experience working with communities in need, both in the United States and internationally. Her training has been primarily in women's health, pediatric care, hormone therapy and hormone function, as well as complimentary adjunct care. Dr. Rice utilizes multiple modalities including diet and lifestyle, botanical medicine, and conventional approaches that meet the patient where they are in their health journey.

Dr. Liz Bartman

Elizabeth Bartman, ND 

Clinical Consultant

Dr. Bartman is a naturopathic doctor who earned her degree through the prestigious National University of Natural Medicine (NUNM) in Portland, Oregon. She completed a 2-year residency with a focus on community health care and primary care, followed by work in a local urgent care facility where she married conventional protocols with holistic support to optimize the health outcomes for her patients. Prior to her work as a naturopath, she earned her BSc degree with a focus in cellular and molecular biology and worked in the nursing and research fields with focus predominately on the epidemiology of antimicrobial resistance in nursing homes. She maintains a private, part-time practice in Salem, Oregon, where she focuses on restorative and regenerative medicine, with an emphasis on environmental, nutritional and hormonal influence in restoring health to the whole person, through the lens of nutrigenomic medicine.

Dr. Kelly Ruef

Kelly Ruef, ND 

Clinical Consultant

Dr. Ruef is a licensed naturopathic doctor who completed her medical education at the National University of Natural Medicine in Portland, Oregon. She also completed a residency at Pearl Natural Health in downtown Portland, where she specialized in inflammatory bowel diseases and women’s health. For undergraduate education, Dr. Ruef received a Bachelor of Science degree in biochemistry and cell biology with a minor in cognitive neuroscience from the University of California, San Diego. Dr. Ruef’s strategy is to give thorough, clear explanations to her patients, and she always encourages questions to help lead her patients to better health. 

Dr. Tim Hyatt

Tim Hyatt, ND

Clinical Consultant

Dr. Hyatt comes with a wealth of experience within the naturopathic medical industry. He earned his doctorate in naturopathic medicine and continues to focus on improving symptoms of brain-based disorders. Dr. Hyatt has spent the last seven years running his practice and e-commerce company Biogenic Nutrition. Dr. Hyatt has been instrumental in formulating products that make a difference in people’s lives.

Dr. Allison Smith

Allison Smith, ND

Clinical Consultant

Dr. Smith completed her ND at the National University of Natural Medicine back when it was National College of Natural Medicine in Portland, Oregon. She worked in private practice, focusing on women’s health and dermatologic laser therapy where she fell in love with integrative and functional medicine. In 2014, Dr. Smith began incorporating her experience into clinical consulting, providing clinical education and support in the laboratory industry where she has helped foster the medical field’s understanding of safe hormone therapies, best practices, and incorporate integrative approaches to health.

She is a busy wife and mom of three kiddos and living proof the sandwich generation really can do it all (on most days). In her spare time, you can find Dr. Smith playing with her tiny dog, finding her Zen in the backyard, or going on local adventures with the fam.

Rebecca Clemson

Rebecca Clemson, ND

Clinical Consultant

Dr. Clemson is a licensed naturopathic doctor who is passionate about educating and empowering others to reach their full potential in health, wellness, and life. She graduated with honors from the National University of Natural Medicine in Portland, Oregon. She has also completed advanced training in functional endocrinology, functional analysis of blood work, menopause and andropause, thyroid health, and fertility.