Heather Sandison, N.D. is a Naturopathic Doctor trained at Bastyr University in Seattle, WA. Her clinical interests include women’s health and hormone balancing, diabetes, cardiovascular disease, gastrointestinal conditions, autoimmune disorders and general family medicine. No matter what the condition Dr. Sandison is committed to treating the individual, finding the root cause and working with patients to create optimal health.

Dr. Sandison’s healing philosophy blends modern research and diagnostic techniques with time-tested modalities including manual therapies, botanical medicine, hydrotherapy, diet, exercise, and psychological counseling. She believes in the power of the body to heal itself. She guides and supports patients as they co-create strong foundations for optimal health through sustainable lifestyle changes and natural medicine.

Dr. Sandison currently teaches part time at Bastyr University, San Diego. Her past experience includes work as an Egoscue Postural Therapist, licensed massage therapist and staff counselor at Bastyr Unviersity. Dr. Sandison balances work with play and enjoys surfing, running, cooking, traveling and spending time with family and friends.

Professional memberships include California Naturopathic Doctor’s Association and American Association of Naturopathic Physicians.

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Dr. Zweben is a licensed naturopath in the state of WA. She completed her undergraduate studies in human physiology and chemistry at the University of Oregon. After receiving her doctorate in Naturopathic Medicine from Bastyr University, she went on to complete a two-year clinical residency with Dr. Dietrich Klinghardt MD, PhD. She has trained extensively in the treatment of complex chronic disease, Lyme, and biotoxin illness. She is passionate about helping her patients heal from chronic conditions as well as optimize their health. In her practice, she utilizes the teachings of Dr. Klinghardt, specializing in neural therapy, restoring biochemical imbalance, detoxification, botanical medicine, the use of intravenous therapies, and bio-identical hormone replacement.

Dr. Zweben has also trained with Dr. Ritchie Shoemaker MD in the treatment of mold biotoxin illness and with Dr. John Lyftogt MD in the use of neural-prolotherapy in the treatment of neuropathic pain. Dr. Zweben is dedicated to providing the most effective treatments for her patients, drawing from her unique training in the field of naturopathic medicine. She is committed to a compassionate, healing experience for all of her clients. Dr. Zweben is the owner of Market Place Naturopathic and is committed to sharing her unique skillset with her Seattle community. She has resided in Washington for the past seven years, and is a native to the Pacific North West. When not with patients, it is likely she is off snowboarding mountains both near and far.


Dr. Zweben is a licensed naturopath in the state of WA. She completed her undergraduate studies in human physiology and chemistry at the University of Oregon. After receiving her doctorate in Naturopathic Medicine from Bastyr University, she went on to complete a two-year clinical residency with Dr. Dietrich Klinghardt MD, PhD. She has trained extensively in the treatment of complex chronic disease, Lyme, and biotoxin illness. She is passionate about helping her patients heal from chronic conditions as well as optimize their health. In her practice, she utilizes the teachings of Dr. Klinghardt, specializing in neural therapy, restoring biochemical imbalance, detoxification, botanical medicine, the use of intravenous therapies, and bio-identical hormone replacement.


Dr. Zweben has also trained with Dr. Ritchie Shoemaker MD in the treatment of mold biotoxin illness and with Dr. John Lyftogt MD in the use of neural-prolotherapy in the treatment of neuropathic pain. Dr. Zweben is dedicated to providing the most effective treatments for her patients, drawing from her unique training in the field of naturopathic medicine. She is committed to a compassionate, healing experience for all of her clients. Dr. Zweben is the owner of Market Place Naturopathic and is committed to sharing her unique skillset with her Seattle community. She has resided in Washington for the past seven years, and is a native to the Pacific North West. When not with patients, it is likely she is off snowboarding mountains both near and far.

www.priorityonevitamins.com   I   800.443.2039  I  info@priorityonevitamins.com

Dr. Alena Zweben N.D.

Priority One Naturopathic Representative​
drzweben@priorityonevitamins.com

Dr. Heather Sandison N.D., LMT      

Priority One's Naturopathic Representative

drsandison@priorityonevitamins.com

He received his degree as a Doctor of Naturopathic Medicine from the National College of Naturopathic Medicine in Portland, Oregon. He is currently Board-Certified in Foot Surgery, by the American Board of Podiatric Surgery, and has performed numerous joint reconstructive and replacement surgical procedures on the foot.

Dr. Hahn has practiced naturopathic medicine in conjunction with podiatric medicine utilizing nutraceutical, and homeopathic treatments for various medical conditions. He helped formulate several nutraceutical products for nutraceutical manufacturers.

He has certification in advanced injection and radiowave sclerotherapy, and was certified by the American College for the Advancement in Medicine in IV Chelation Therapy.  He was an active staff member of the Gresham Station Surgical Center, in Gresham Oregon, Gresham, Oregon. He is a past member of the American College of Phlebology.  Dr. Hahn is currently an active member of the OANP, OPMA and the APMA.  He has served as a clinical instructor at the Oregon Health Science University and the Veterans Administration Hospital in Portland, Oregon in Podiatry.   Dr. Hahn has been trained in VNUS RF radiowave ablation for varicose veins and injection sclerotherapy techniques for spider veins and has performed laser assisted liposuction (Smart Lipo) at the Aesthetic Medicine Physicians and Surgeons Center in Tigard, Oregon. He was trained at the Sonobello Laser Assisted Liposuction Clinic in Bellevue Washington.

Dr. Hahn has lectured to physician groups for Ellman International in the use of radio frequency technology for the removal of benign skin lesions. He was the physician trainer and consultant for Cryosurgical Concepts, in the clinical use of the Cryoprobe. Dr. Hahn served as a professional consultant for Integrative Therapeutics Inc. to develop sales channels for podiatric medicine and other specialties. Dr. Hahn is currently a Medical Advisory Board member for GardaVita.

Dr. Hahn has served in the United States Army IRR, Medical Service Corps.

Dr. Hahn has several published scientific articles in; Podiatry Today, Podiatry Management, Journal of Longevity, Garda Vita Journal, Naturopathy Digest, Naturopathic Doctors News and Review, Integrative Medicine, a Clinician's Journal, The Townsend Letter for Doctors, and was a contributor to the textbook , " Compendium of Podiatric Biomechanics".

He has taught as an adjunct instructor at Pioneer Pacific College and Clackamas Community College, the following courses: Medical Law and Ethics, Billing and Coding for Insurance, Medical Communications, Phlebotomy and Medical Economics and Finance.  Dr. Hahn was an Adjunct Professor in the Department of Integrative Medicine at the New York College of Podiatric Medicine.

Dr. Hahn is currently a speaker and consultant for Hevert Homeopathic a German based company with US headquarters in Colorado.

Dr. Hahn has worked at Aesthetic Medicine Physicians and Surgeons, in Tigard, Oregon, where he performed aesthetic surgical/cryosurgical removal of benign skin lesions, and phlebotomies. Dr. Hahn performed injection sclerotherapy for varicose and spider veins, and endovascular ablation procedures, utilizing the VNUS RF technology.  He has been trained in the use of Botox, Juvederm injection therapy. Dr. Hahn provided services to patients at the Gresham Cosmetic Laser Center, in Troutdale, Oregon, Aesthetic Medicine Physicians and Surgeons, Tigard, Oregon and the Forever Young Medical Spa in Tanasbourne, Oregon.

Dr. Hahn completed his undergraduate studies at American River College, and Sacramento State University. He attended the California College of Podiatric Medicine in San Francisco where he received his Bachelor of Science Degree and Doctor of Podiatric Medicine Degree.  Dr. Hahn completed his surgical residency at the California Podiatry Hospital, in San Francisco, California.

Dr. John Hahn DPM, N.D.      

Priority One's On-Staff Naturopathic Physician

drhahn@priorityonevitamins.com      360-441-9801


​​​​(800) 443-2039 or (360) 366-7285

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Priority One Nutritional Supplements On-staff Physicians

*These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.