Dr. Katherine OldfieldDr. Oldfield is a Washington native and medical director of West Seattle Naturopathic Clinic. She completed her undergraduate degree at University of Washington and attended medical school at Bastyr University, graduating in 2000. After graduation from Bastyr, Dr. Oldfield was a resident and then an associate at Peninsula Naturopathic Clinic in Gig Harbor, WA, her home town. Since 2002, she has owned West Seattle Natural Medicine Clinic with her husband Greg. She is a member of the American Association of Naturopathic Physicians and  Washington Association of Naturopathic Physicians She served on the board of the WANP for two years.

As a naturopathic physician she feels that that she can truly help patients to improve their health by addressing underlying conditions that are stopping them from achieving their full health potential. She believes in designing an individualized treatment plan that addresses immediate concerns and looks at long-term health goals. Dr. Oldfield specializes in women’s health, menopause including bio-identical hormone replacement therapy, thyroid conditions, digestive disorders and allergies. She utilizes various forms of physical medicine with her patients if indicated. She is a member of Physicians for Social Responsibility and is a PCC Cooks instructor, teaching classes on subjects such as balancing hormones and managing thyroid conditions.

In her free time, Dr. Oldfield enjoys whole foods cooking, hiking, running, playing with her two children, spending time with her family, reading, gardening and camping.


Dr. Arika Dortero N.D. is a family practice physician practicing in Seattle Washington.  She is a graduate of Bastyr University, with a Doctorate of Naturopathic Medicine, and is licensed to practice in the state of Washington.  Prior to Naturopathic studies Dr. Dortero attended Eastern Washington University and completed a Masters of Science with a major in Biology, and she graduated with honors as Magna Cum Laude.

Her areas of study and interest include naturopathic family medicine with special interests in pediatrics, women's health, breastfeeding and lactation support, and adolescent health.  Dr. Dortero believes creating a strong foundation of health knowledge is essential to maintaining a healthy lifestyle.  She believes strongly in the principals of naturopathic medicine, with Docere – Doctor as teacher – being the principal she holds nearest her heart.

In addition to her education from Bastyr University, Dr. Dortero has received special training from Seattle Midwifery School and earned the credentials Certified Lactation Educator (CLE), which will allow her to take the board exam to become an International Board Certified Lactation Consultant (IBCLC).  She has also completed additional education in homeopathy through the New England School of Homeopathy.

Dr. Dortero has professional memberships with the American Association of Naturopathic Physicians, Pediatric Association of Naturopathic Physicians, and Washington Association of Naturopathic Physicians.  She is also a member of Washington Physicians for Social Responsibility, an organization that promotes policies for environmental and human health.

Dr. Dortero's interest and background in science, humanities, and health has provided her with a holistic view of the world.  She approaches naturopathic medicine as both a science as well as an art.  Arika is dedicated and motivated in providing patients with comprehensive and individualized healthcare.


Dr. Hurley uses natural medicines to treat a wide range of conditions, serving as a primary care physician to children, adults and seniors. Her clinical interests include women's health and menopause, endocrinology, functional medicine, healthy aging and natural weight loss.

Dr. Hurley is also an adjunct clinical faculty member at Bastyr Center for Natural Health, where she supervises clinicians in Team Care. She has taught herbal medicine, clinical laboratory diagnosis and counseling psychology as an academic faculty member at Bastyr University.

Healing Philosophy

Dr. Hurley says, "I derive tremendous satisfaction from empowering patients to transform their lives. My goal is to help them feel stronger, achieve better function and gain a more joy-filled quality of life."

Past Experience

Dr. Hurley has appeared as a guest expert on the Tacoma FM broadcast "Here 4 You," speaking on nutrition and detoxification. She traveled to Haiti after the January 2010 earthquake to provide emergency healthcare at a rural clinic.

Education & Affiliations

Dr. Hurley earned her ND from Bastyr University and her bachelor of arts in literature at Northwestern University.  In her spare time, Dr. Hurley enjoys ethnic drumming and dance, hiking and travel.


Dr. Cook is happy to be practicing in her neighborhood West Seattle Natural Medicine clinic. She has practiced the past six years in Tacoma at a successful primary care naturopathic clinic and is excited to now work in her own community. Dr. Cook is a naturopathic family physician and a graduate from Bastyr University. She earned her bachelor's degree in Nutritional Sciences from the University of New Hampshire minoring in Women's Studies and Environmental Sciences. She moved to Seattle to attend Bastyr University, but took a hiatus from education where she worked at as an operations analyst. This experience furthered her analytical skills, which helped her achieve her doctorate in naturopathic medicine from Bastyr University, and now aids her in her analysis of each and every patient as well as understanding the rigor of the computer industry.

For Dr. Cook, there is no barrier between human health and the health of the planet. "In order for us maintain our health and the health of the planet, we have to live in a functional and sustainable way." Dr. Cook strives to incorporate environmental health when educating patients on their personal health and food choices. She enjoys working with families and young individuals who want to create a healthy lifestyle in order to maintain their health. Other areas of specialty include stress management, chronic fatigue, digestive disorders, thyroid and adrenal imbalance, women's health (hormone balancing, menopause, irregular cycles, and PMS), and men's health (including testosterone therapy). She is skilled in Constitutional Homeopathic prescribing as well as IV Nutrient Therapy for chronic conditions. She has also guided hundreds of patients through detoxification and cleansing programs and is inspired by their health recovery process.

When not exploring the world of medicine, she has a passion for whole foods cooking, yoga, hiking, knitting and spending time with her husband and two children. Dr. Cook is a member of the Washington Association of Naturopathic Physicians and provides educational talks to the community.


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Dr. Megan Taylor is a licensed naturopathic physician born and raised in West Seattle. Dr. Taylor practices integrative primary care for adults with digestive complaints, allergies, and autoimmune disease. She prioritizes natural therapies including botanical medicine whenever possible, and it well trained int pharmaceutical intervention as well. A strong believer in the negative impacts of excessive stress on our physiology, Dr. Taylor strives to incorporate mindfulness practices and stress reduction techniques into most patient visits.  

Dr. Taylor earned her doctorate in naturopathic medicine from National University of Natural Medicine in Portland, OR, graduating with honors. She completed two years of post-graduate residency training in primary care and naturopathic gastroenterology under the mentorship of Steven Sandberg-Lewis, ND and Allison Siebecker, ND, Lac, both leaders in the field of functional approaches to complex digestive disorders.  She has advanced training in the diagnosis and treatment of specific conditions such as GERD, Gastritis, Inflammatory Bowel Disease, including microscopic colitis, gallbladder and liver disorders, Functional abdominal pain, Functional dyspepsia, Irritable Bowel Syndrome, and Small Intestinal Bacterial Overgrowth (SIBO), among others. Areas of interest include primary care and disease prevention, stress management, anxiety, fatigue, thyroid and adrenal imbalance, digestive disorders, and environmental medicine.

Prior to pursuing a career in naturopathic medicine, Dr. Taylor received her bachelor's degree in 2007 from Lewis and Clark College in Portland, Oregon and worked for several years in environmental and urban planning. When not working as a physician, Dr. Taylor spends as much time as possible in her garden, on the yoga mat, cooking delicious meals and enjoying her family and friends. 



Dr. Emily Lesnak is a naturopathic family physician, focusing on pediatric care for patients of all ages, including newborns.  Additionally, she also has an interest in women’s health, specifically during the pre and postnatal period.

Dr. Lesnak is a graduate of Bastyr University, where she received her Doctorate degree in Naturopathic Medicine.  She began her career with a three-year residency in family medicine at Bastyr Center for Natural Health.  Dr. Lesnak has experience as a birth doula and has additional training in Homeopathy and Craniosacral Therapy.  Her additional experience includes rotations at Seattle Children’s Hospital, The Kid’s Clinic, and the Evergreen Emergency Department.  Currently, Dr. Lesnak is supervising the naturopathic shift at the West Seattle High School and teaching at Bastyr University.  She is a professional member of the American Association of Naturopathic Physicians, the Washington Association of Naturopathic Physicians, and the Pediatric Association of Naturopathic Physicians.

Emily grew up in Northern Minnesota and received a Bachelor of Arts degree in Biology and Anthropology at Hamline University in St. Paul, MN.  In her spare time, she enjoys cooking and baking, as well as swimming, biking, and crossfit.

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