Teresa True, ND, VNMI
Naturopathic Physician, Vitalist
Dr. True practices the full scope of family medicine, including women's health, pediatric, adolescent and adult care. She has a particular interest in correcting digestive function, endocrine and autoimmune disorders including thyroid disease, type 1 and type 2 diabetes, chronic heartburn, abdominal pain, bloating and other gastrointestinal disorders.
Dr. True chose to become a doctor because she admires the intricate physiology of the human body and nature. She decided to become a naturopathic doctor after experiencing working in a medical office and seeing the massive amounts of prescriptions and prescription refills daily. It just didn't make sense. She truly believes in the body's ability to heal and the importance of preventative and wellness care. She is also passionate about helping empower patients in establishing a healthy lifestyle and habits to help prevent disease.
In her free time, Dr. True enjoys spending time with her husband and their two children. They enjoy going for walks around the neighborhood, camping at the coast and reading books. She is a fan of crafting and can often be found crocheting, beading or scrap-booking. Although life often gets in the way, she also loves to play golf.
Naturopathic Medicine
DR. TRUE'S EXPERIENCE:
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Fellowship:
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Vitalist of the Naturopathic Medicine Institute
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Fellow of the Naturopathic Medicine Institute - in progress
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Residency:
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Family Medicine, Hydrotherapy - National College of Natural Medicine, Portland Clinic of Holistic Health, Portland, OR
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Medical Degree:
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ND - Southwest College of Naturopathic Medicine, Tempe, AZ
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Awarded High Academic Honor, Graduated High Honors
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Baccalaureate::
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Human Physiology, Chemistry, B.S. - University of Oregon, Eugene, OR
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Memberships:
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Naturopathic Medicine Institute
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Research:
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Comparison of the anti-Staphylococcus aureus activity of commonly used medicinal plants, J. Altern Complement Med. 2014 May;20(5):375-82. Epub 2014 Mar 17
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Effects of Reading on Total Distance Traveled while Riding a Stationary Bike, Research Presentation, University of Oregon, Department of Human Physiology, Eugene, OR
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Additional Training:
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Intravenous Nutrition
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Chinese Medicine and Acupuncture (AZ)
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Alex Kamen, ND
Naturopathic Physician
Dr. Kamen (she/they) is a family medicine practitioner seeing patients of all ages with a focus on gastrointestinal health, mental well-being, autoimmunity, dysautonomia, and endocrinology. She received additional mentorship in diagnosing and treating functional disorders, such as SIBO, IBS, IBD, heartburn, and reflux. Recognizing the link between each body system, Dr. Kamen works by treating the whole person—not just the disease.
Dr. Kamen takes the time to truly understand and collaborates with her patients to develop individualized treatment plans. Educating patients on the “why” behind various treatment modalities is incredibly important to her. She takes time to teach patients about their condition and treatment options to ensure patients are making informed decisions regarding their health.
Outside the clinic, Dr. Kamen loves to spend time in nature. She enjoys camping, hiking, and sword fighting in a medieval combat society. When she isn’t outside you can find Dr. Kamen curled up with a book alongside her two cats, Gus and Pancake, or jamming to some live music.
DR. KAMEN'S EXPERIENCE:
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Medical Degree:
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ND – National University of Health Sciences, Lombard, IL
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Baccalaureate:
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Allied Health Science, B.S. – Grand Valley State University, Grand Rapids, MI
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Memberships:
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Oregon Association of Naturopathic Physicians
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Naturopathic Medicine Institute
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Research:
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Olosho Ethnobotany Project: Documenting Traditional Knowledge through Participatory Research with Dr. Kristin Hedges, Allendale, MI
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Additional Training:
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Meditation and Mindfulness Instructor
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Trauma Informed Care Trained
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Tessaundra Steinhebel, ND
Naturopathic Physician
Dr. Steinhebel believes in truly listening to her patients, building trust, and addressing the root causes of health concerns—never just symptoms.
Dr. Steinhebel’s clinical interests include cardiovascular health and connective tissue disorders, including hypermobile Ehlers-Danlos Syndrome. She is experienced in botanical medicine, homeopathy, hydrotherapy, nutrition, and targeted supplementation to help her patients restore balance and achieve optimal wellness.
Her journey into naturopathic medicine began as a patient herself, searching for alternative healthcare options when conventional, allopathic medicine fell short. Dr. Steinhebel became passionate about offering holistic care after witnessing firsthand the limitations of a prescription-focused approach. Through her own personal journey, she learned the importance of self-advocacy—and she brings that same dedication to every patient, always advocating for their best interests.
Outside of clinical practice, Dr. Steinhebel enjoys cooking and baking, conducting research, traveling, watching hockey, spending time with her husband, cats, and snake, and exploring the beautiful Pacific Northwest.
DR. STEINHEBEL'S EXPERIENCE:
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Residency:
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Family Medicine, Hydrotherapy - Portland Clinic of Holistic Health, Portland, OR
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Medical Degree:
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ND – National University of Health Sciences, Lombard, IL
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Baccalaureate:
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Biology-Health Sciences, B.S. – Oregon Institute of Technology, Klamath Falls, OR
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Memberships:
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American Association of Naturopathic Physicians
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Naturopathic Medicine Institute
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Oregon Association of Naturopathic Physicians
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Research:
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Endocrine and Nutritional Relationships in Centenarians, Natural Medicine Journal, May 2022
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Self-Administered Traction as an Adjunct in the Chiropractic Treatment of Low Back Pain: A Case Report, Journal of Chiropractic Medicine, December 2024
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Silver Nanoparticles and Clusters: Antimicrobial Efficacy Research, Oregon Institute of Technology, 2017
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Additional Training:
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Functional Medicine
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Homeopathy
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Functional Nutrition
Sharon Ona, MS, CNS, CN, LD
Nutrition
Sharon is a functional nutritionist whose passion for food and wellness have been constants for her both personally and professionally. She works with a variety of conditions including gastrointestinal disorders, cardiometabolic issues, women’s health, autoimmune disease management, and disordered eating patterns.
Sharon uses a holistic approach to help her clients discover root causes of imbalance, improve their relationship with food and their body, and create sustainable change through diet and lifestyle. She works to listen, educate, and empower her clients on their journey to better health by creating personalized, evidence-based plans that address their unique story and health goals. She believes in the importance of providing a collaborative approach to nutrition care that supports mind, body, and spirit.
Sharon spent eight lovely years in Portland before temporarily relocating to her hometown of Los Angeles where she currently resides. She enjoys hiking, cycling, saying hi to every dog she meets, and finding inspiration at farmer’s markets.
SHARON'S EXPERIENCE:
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Master’s Degree::
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Human Nutrition and Functional Medicine, University of Western States
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Baccalaureate:
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Environmental Sustainability and Social Justice, B.A. - San Francisco State University
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Membership:
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American Nutrition Association (ANA)
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Additional Training:
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Certified Nutrition Specialist (CNS) Candidate, The Clinician’s Incubator
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Support Staff
Tahlia
Front Office Assistant
Tahlia joined the clinic's team after relocating from Juneau, Alaska. While previously working as a medical receptionist, she learned the importance of holistic medicine in lieu of relying solely on prescription medications. She enjoys working closely with patients to create a safe and comfortable environment, allowing them to make informed decisions about their bodies and health.
Outside of the clinic, Tahlia enjoys spending time in the kitchen and experimenting with new recipes. She has a passion for photography and always has her camera ready (especially to take pictures of her three cats). She and her husband play tons of board games, keep restaurant journals, and swim as often as possible.
Heath has been supporting PCNM in many ways since the beginning. You may see him carrying a baby around while working as he is also Dr. True's husband. He has helped with construction of the office space, answering phones, checking insurance and other important tasks as needed.
He has an extensive history in customer service and management when not helping at PCNM. He takes pride in helping patient's have a wonderful experience with our office.
In his free time, he is often playing with and caring for his and Dr. True's two children, hiking, reading, cooking and enjoying time with friends.
Heath
General Office Support
Katrina
Patient Insurance Advocate
Katrina comes from a family of caregivers, but followed a little bit different path into medical billing. After her sister became a naturopathic physician, Katrina saw the need for a billing specialist to help this subset of doctors. She wanted to be able to be an advocate, not only for physicians but also their patients, ensuring the fair
treatment and respect of everyone.
Katrina enjoys working directly with patients to help them navigate the confusing world of insurance and answer any questions they may have.
She currently lives in Wisconsin with her German Shepherd, Ava. Family is very important to Katrina and she tries to spend as much time with them as possible. She also enjoys painting, baking, and exploring the great outdoors.
Want to work with us?
If you are interested in working with us, please submit a resume and cover letter to contact@pacificnaturalmedicine.com and let us know why you would be a great fit for the PCNM team!