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Residency Programs

Meet Our Residents

First-Year Residents

Adam Sadowski, ND, MSMedical Resident

Dr. Adam Sadowski is a licensed naturopathic physician completing his first year of residency at NUNM. He received a Doctorate in Naturopathic Medicine and a Master of Science in Integrative Medicine Research in 2020.

As a student, Dr. Sadowski’s clinical education focused on primary care, men’s health, minor surgery, and cardiology. He completed additional rotations in urology, gastroenterology, as well as the emergency department.

He is very passionate about evidence-based medicine and worked on several projects at NUNM’s Helfgott Research Institute. He published a systematic review and meta-analysis assessing the association of heart rate variability in gastrointestinal pathologies, will continue to lead the International Cohort on Lifestyle Determinants of Health (INCLD Health) study, and is involved in a randomized crossover trial evaluating the impact of Pranayama Yoga practices on the autonomic nervous system.
In his free time, Dr. Sadowski enjoys kayaking, cooking, and exploring the Pacific Northwest.

Allison Erdahl, NDMedical Resident

Dr. Alli Erdahl is a licensed naturopathic physician completing her first year of residency at NUNM. She graduated from NUNM in 2020 with her Doctorate in Naturopathic Medicine. Prior to medical school, Dr. Erdahl received her Bachelor of Arts in Biology and Spanish from Luther College in Decorah, Iowa.
Dr. Erdahl’s clinical education focused on primary care, transgender medicine, mental health and women’s health. Dr. Erdahl enjoys working with all types of patients to support their reproductive health needs. Dr. Erdahl is also a strong believer in Health at Every Size and works to bring this lens to all of her patient visits.
In her free time, Dr. Erdahl enjoys Acro Yoga, hiking, lifting weights, paddle boarding, cooking and spending time with her two monsters (dogs) and husband.

Hannah Rikoon, ND, LMTMedical Resident

Dr. Hannah Rikoon is a licensed naturopathic physician in her first year of residency at National University of Natural Medicine. She graduated from NUNM in 2020 with a Doctorate in Naturopathic Medicine. Prior to medical school, she received a Bachelor of Arts from Bard College, where she majored in the written arts, and a license in massage therapy from Finger Lakes School of Massage in Ithaca, New York.

During her training at NUNM, Dr. Rikoon completed rotations in primary care, mental health, women’s health, community health and IV therapy, along with external rotations focused on complex chronic illness and infertility. After earning her license in massage therapy, Dr. Rikoon specialized in Craniosacral therapy and has found it an effective clinical therapy to compliment her practice. She also holds reverence for botanical medicine and hopes to integrate her skills as an herbalist into primary care. Dr. Rikoon is keen to provide equal access to healthcare to all individuals and hopes to be a part of the movement to make Naturopathic medicine more accessible to a wide variety of demographics.

During her free time, Dr. Rikoon enjoys hot tea with a good board game, hiking in the wilderness, yoga, spinning classes, eating the delicious food that her partner cooks, and laughing until her belly is sore and her heart is full.

Kayla Thamert, NDMedical Resident

Dr. Kayla Thamert is a licensed naturopathic physician completing her first year of residency at NUNM. She graduated with her Doctorate in Naturopathic Medicine at NUNM in 2020. Prior to attending medical school, Dr. Thamert earned her Bachelor of Exercise and Sport Science with an emphasis in Pre-Medicine at Oregon State University.

As a medical student, Dr. Thamert’s clinical rotations were predominantly focused in primary care; however, her experience was broadened through preceptorships and specialty rotations in mental health, transgender health, proctology, women’s health, cardiopulmonary medicine, IV therapy, and physical medicine. She has also completed additional training in exercise prescription, addiction medicine, craniosacral therapy, homeopathy, and biotherapeutic drainage using UNDA Numbered Compounds.
Dr. Thamert values a doctor-patient relationship built on trust and collaboration that inspires and empowers ownership over one’s own health and wellbeing. She is passionate about providing culturally competent care and enjoys utilizing a wide variety of medical modalities to suit each individual.

Outside of the clinic, Dr. Thamert enjoys spending time with her partner and family, exploring the great outdoors, going to concerts, lifting weights, running, crafting, and hugging all the cats, especially her feline housemates Grim and Hexi.

Kathryn Clements, NDMedical Resident

Dr. Katie Clements is a licensed naturopathic physician completing her first year of residency at NUNM. She graduated from NUNM in 2020 with a Doctorate in Naturopathic Medicine. Prior to medical school, Dr. Clements received a Bachelor of Science in Biology from Cornell University.

Dr. Clements’ clinical education focused on primary care practice with rotations in community health care, IV therapy, and a specialty rotation in regenerative medicine at RestorePDX in Beaverton, OR. Dr. Clements has a passion for using homeopathy in clinical practice and completed a 1.5-year training course in constitutional homeopathy through the New England School of Homeopathy.
In her free time, Dr. Clements enjoys running, gardening, true crime documentaries, and exploring the Oregon coast with friends and family.

Marney Johnson, NDMedical Resident

Dr. Marney Johnson is a licensed naturopathic physician completing her first year of residency at National University of Natural Medicine. She received her Doctorate in Naturopathic Medicine and the Certificate of Natural Childbirth from NUNM in 2020. Prior to medical school, Dr. Johnson earned a Bachelor of Science in Biology at Dallas Baptist University in Texas. During her scientific career in neonatal medical research, Dr. Johnson earned a Master of Science in Clinical Investigation and Translational Science at University of Texas Health Science Center at San Antonio in Texas.

Dr. Johnson is passionate about supporting the body’s ability to heal itself with the support of naturopathic modalities such as botanical medicine, hydrotherapy and nature cure, nutrition, and pelvic floor and cranial sacral therapies. She believes that everyone deserves outstanding medical care and should feel safe and heard by their doctor. Her clinical interests include fertility and reproductive health, pregnancy care, and pediatrics.

When not practicing medicine, Dr. Johnson enjoys watching movies, rereading her favorite sci-fi and fantasy novels, quiet walks in nature, spending time with family, or having coffee with a friend.

Ruth Carden, NDMedical Resident

Dr. Carden is a licensed naturopathic physician completing her first year of residency. She graduated from NUNM in 2020 with a Doctorate in Naturopathic Medicine. Prior to medical school, Dr. Carden received a Bachelor of Arts in Sociology with a minor in History from Gordon College in Massachusetts. She is a trained herbalist and completed a 2 year Clinical Herbalism Certificate Program with David Winston, RH in New Jersey.

With a cross-cultural background and experience in social work, she is passionate about community health and providing accessible person-centric healthcare to a diverse set of patients.

Her clinical interests include primary care, mental health, women’s health and gastroenterology. She frequently incorporates hands-on body work, both to address physical pain and given her belief and experience with witnessing the strength of the mind-body connection. She has completed additional coursework in pelvic floor therapy, visceral manipulation, myofascial therapies and botanical medicine.

When not working, she likes to frequent the wonderful Portland area farmers markets to inspire culinary creations, work on plant identification skills and enjoy local coffee.

Second-Year Residents

Aubrey Corbett, NDMedical Resident

Dr. Aubrey Corbett is a licensed naturopathic physician completing her first year of residency at National University of Naturopathic Medicine. She received her Doctorate in Naturopathic Medicine in 2019 from NUNM. Prior to medical school, Dr. Corbett obtained her B.A. in Biology and Holistic Health at Stockton University in New Jersey.

Dr. Corbett’s clinical education focused on primary care, women’s health, and cardiology. She completed additional rotations in the emergency department and local community health centers. She has a passion for providing healthcare solutions to underserved patient populations. Dr. Corbett is also trained in holistic pelvic floor therapy and is a licensed massage therapist.

While not practicing medicine, Dr. Corbett can be found outside surfing, rock climbing, hiking, or camping in the beautiful Pacific Northwest.

Angela Hardin, NDMedical Resident

Dr. Angela Hardin is a licensed naturopathic physician completing her first year of residency at NUNM. She earned her Doctorate of Naturopathic Medicine from NUNM in 2019. Prior to medical school, Dr. Hardin received her Bachelor of Science in Exercise & Sports Science with an emphasis in Pre-Physical Therapy from Texas State University.

Dr. Hardin’s clinical education focused on primary care with rotations in mental health, IV therapy, transgender health, and cardiology. In addition to her training at NUNM, she completed external rotations in primary care with a focus on gastroenterology, functional neurology, bioidentical hormone management, and nutritional counseling. She is also a licensed massage therapist and has completed additional trainings in craniosacral and pelvic floor rehabilitation therapies.

Dr. Hardin’s mission in medicine is to create and uphold a safe, unbiased healing space for all patients. She is especially passionate about serving medical care to transgender individuals and military veterans.

To keep life in balance, Dr. Hardin enjoys taking her two dogs to the coast, watching Turner Classic movies, playing Call of Duty, and daydreaming about starting another rock band.

Marie Benkley, NDMedical Resident

Dr. Marie Benkley is a licensed naturopathic physician completing her first year of residency at National University of Natural Medicine. She graduated from NUNM in 2019 with a Doctorate in Naturopathic Medicine. Prior to medical school, she received a Bachelor of Arts from Tufts University, where she double majored in Biology and Community Health.

Dr. Benkley believes fully in the innate healing ability and wisdom of the body. She has a passion for vitalistic naturopathic medicine and her therapeutic approach emphasizes botanical medicine, homeopathy, and other modalities that support the body’s intrinsic healing processes. Her clinical interests include reproductive health, sexual health and wellness, mental health, and endocrinology.

Dr. Benkley is passionate about providing affirming care for queer, transgender, and gender diverse patients. Her work is guided by an intersectionality framework and she is committed to a clinical practice that is patient-centered, collaborative, trauma-informed, and anti-oppressive.

When not practicing medicine, Dr. Benkley enjoys riding her motorcycle, backpacking, and learning how to roller skate. She can also be found sipping tea while reading a book on a rainy day.

Sierra Goncharoff, NDMedical Resident

Dr. Sierra Goncharoff is a licensed naturopathic physician completing her first year of residency at NUNM. She graduated from NUNM in 2019 with a Doctorate in Naturopathic Medicine. Prior to medical school, Dr. Goncharoff received a Bachelor of Arts in Anthropology from Humboldt State University.

Dr. Goncharoff’s clinical education focused on primary care with rotations in women’s health, pediatrics, gastroenterology, minor surgery, and physical medicine. Additionally, she has provided medical care to underserved communities abroad as she has a passion for bringing naturopathic health care to those in need.

In her free time, Dr. Goncharoff enjoys dancing, cooking, and spending time with her friends and family.

Third-Year Residents

Elyse Ortiz, NDMedical Resident

Dr. Elyse Ortiz is a licensed naturopathic physician completing her second year of residency at the National University of Natural Medicine. She received her Doctorate in Naturopathic Medicine from NUNM in 2018. Prior to attending NUNM, she received a B.A. in Cultural Anthropology with a focus on Economic Development from Humboldt State University in Arcata, CA.

Dr. Ortiz is passionate about providing culturally competent healthcare to all individuals and making naturopathic medicine accessible and affordable. During her medical education she completed rotations at numerous community health clinics. Her clinical interests include primary care, minor surgery, IV therapy, LGBTQ+ care, mental health, and pediatrics.

During her free time, Dr. Ortiz enjoys playing lava tag with her nieces and nephews, searching for the most beautiful hiking trail in Oregon, and trying to train her newest foster dog to give high fives.

Christopher Randolph, NDMedical Resident

Dr. Christopher Randolph is a licensed naturopathic physician completing his second year of residency at NUNM. He graduated with high honors from NUNM in 2018, earning a Doctor of Naturopathic Medicine. Prior to his studies at NUNM, he received a B.A. in Globalization and the Environment from New York University.

During his clinical education, Dr. Randolph’s focus was predominantly on primary care, which he augmented with rotations in minor surgery, IV therapy, physical medicine, mental health, and community health. His clinical interests include primary care, dermatology, minor surgery, IV therapy, physical medicine, infectious disease, and working with underserved populations.

In his free time, Dr. Randolph enjoys spending time with his partner, traveling abroad, and trekking through all the beautiful mountainous forests the Pacific Northwest has to offer. He also enjoys singing, swimming, and creating herbal remedies.