Meet Our Team

Dr. Bridghid McMonagle, Naturopathic Physician (N.D.), FAAO, APT

Dr. Bridghid McMonagle graduated from Bastyr University in 2005 and completed a residency at the National University of Natural Medicine (NUNM) where she performed rotations at Oregon Health & Science University (OHSU) involving dermatology,  gastroenterology, women’s health, and emergency care. 

Dr. McMonagle is a leading expert in the medical uses of ozone and the first Certified Ozone Practitioner in Oregon. This includes Ozone therapies such as High dose ozone (known as 10 pass), Prolozone, Cosmetic ozone, Major and Minor Autohemotherapy. She is also certified in Cosmetic PRP and joint PRP treatments, bioidentical hormones, Low T, IV therapies, heavy metal chelation, hyperbaric oxygen therapy and PK Protocol.

Dr. McMonagle has trained with Dr. Frank Shallenberger, Dr. Robert Rowen, Dr. Howard Robbins, Dr. Adrianna Schwartz, Dr. Lohadny and many more. Our clinic offers the most extensive options in ozone therapies that we know of in Oregon.

Dr. McMonagle has lectured in the U.S. and internationally on topics such as medical ozone therapies for chronic fatigue & immune concerns, ozone for skin rejuvenation, platelet rich plasma (PRP) to improve joint, hair, and skin health.

She has been practicing functional medicine in Lake Oswego since 2006. Dr. McMonagle enjoys motivating individuals to improve their health, help prevent future disease processes and thrive. Dr. McMonagle continues to utilize functional medicine daily in her visits with patients.

Prior to medical school, Dr. McMonagle finished her undergraduate at the University of Washington in Environmental Health with a minor in chemistry. She then completed over two years with the Peace Corps in Thailand teaching environmental medicine. During her time in the Peace Corps, she became fascinated with herbal medicine and various treatment options which inspired her to pursue naturopathic medicine.

Dr. McMonagle is a member of the following organizations:

Institute of Functional Medicine (IFM), American Association of Naturopathic Medicine (AANP). American Academy of Ozonotherapy, founding member (AAOT), Personalize Lifestyle Medical Institute (PLMI), American Academy of Neural Therapy (NAANT) board member, American Academy of Environmental Medicine (AAEM), and  the American College for Advancement in Medicine (ACAM).

Dr. McMonagle feels very fortunate to practice functional and regenerative medicine, and has witnessed tremendous results blending evidence based medical approaches. She enjoys traveling, tennis, soccer, and staying active in the outdoors.

Dr. Valeria Manning, Naturopathic Physician (N.D.), MSCP

Dr. Valeria Manning earned her Doctorate in Naturopathic Medicine from the National University of Natural Medicine in 2017. Following her graduation, she completed a residency focused on integrative women’s health, hormone management, and pediatrics.

 In 2024, she continued the advanced menopause training she had received during her residency with Dr. Tori Hudson and obtained national accreditation as a Menopause Society Certified Practitioner.

Dr. Manning is dedicated to identifying and treating the root causes of disease, which is one of the foundational philosophies of naturopathic medicine. She also educates her patients on strategies for preventing chronic diseases, placing a strong emphasis on nutrition, stress management, and mental health.

Dr. Manning’s naturopathic approach enables her to utilize the most effective therapies from both conventional and alternative medicine, creating a personalized plan that considers the unique needs of each patient.

Dr. Manning is of Argentine and Uruguayan descent, the daughter of immigrants who instilled in her a deep appreciation for her Latin roots. She serves on the Diversity, Equity, Inclusion, and Belonging (DEIB) committee for the Oregon Association of Naturopathic Physicians (OANP) and is the founding president of Oregon’s Latino Provider Association. Additionally, she is fluent in Spanish.

Outside the clinic, Dr. Manning enjoys spending time outdoors with her husband, who is also a naturopathic doctor, and their two young daughters.

Ghazaleh Louie (Resident)

Resident Ghazaleh (Gigi) Louie, grew up in Iran, where she was immersed in a culture that deeply respected the body’s natural healing mechanisms and the power of holistic approaches to health and beauty. This upbringing instilled in her a profound appreciation for the mind, body, and spirit, and shaped her passion for empowering individuals to achieve optimal well-being through natural means.

Gigi earned her Doctorate of Naturopathic Medicine from the National University of Natural Medicine, where she delved into the science behind natural healing modalities and developed a comprehensive understanding of the human body’s innate capacity for restoration. Her educational journey also included extensive training in IV therapies which is a powerful tool for addressing a wide range of health concerns.

Prior to her medical training, Gigi earned a Bachelor’s of Science degree in the University of Oregon.  Concurrently, she served as a caregiver, closely assisting individuals navigating diverse challenges. This experience deepened her empathy and understanding of the human condition, further fueling her dedication to fostering holistic healing and empowering individuals to reclaim their health and vitality.

Beyond her clinical practice, Gigi is an avid advocate for holistic health and beauty. She is passionate about inspiring others to embrace healthy habits, nurture their inner beauty, and cultivate a sense of happiness and fulfillment. When not immersed in the world of natural medicine, Gigi finds joy exploring the vibrant landscapes of Oregon, experimenting with delicious and health-conscious food, and cherishing quality time with her spouse, parents, and friends.

Melanie Schafer, Licensed Esthetician, Certified Reiki Master

With over 20 years of experience in the field of aesthetics, Melanie brings a wealth of knowledge and expertise to our Naturopathic office. Her journey in skincare began with a strong passion for helping people achieve deep relaxation and healthy radiant skin. Over the years, she has honed her skills through continuous education, working at high end spas in Las Vegas and cultivating a hands-on practice, making her knowledgeable in a wide range of skincare treatments and modalities.

Melanie holds a license in aesthetics and is a certified Reiki practitioner. She integrates energy work into her skincare treatments, offering a unique blend of physical and energetic healing. This dual approach not only addresses the outer appearance but also promotes inner balance and well-being, helping clients achieve a glowing complexion that reflects their overall health.

Melanie’s philosophy centers around personalized care. She believes that every client’s skin is unique and deserves a tailored treatment plan that considers their specific needs and lifestyle. Her gentle, compassionate demeanor ensures that clients feel comfortable and cared for during each visit.

Laura Matthews, Office Manager

Laura Matthews obtained her Master of Science degree in Healthcare Administration from St Joseph’s University in 2019. She minored in leadership and bioethics which she practices daily in the care of our patients. 

Before joining LOHC, Laura was an operations leader, recruiter, college educator, certified medical assistant, and national test writer for medical assistant credentialing bodies. She brings over 20 years of patient care experience to our clinic with expertise in business best practices and financial management. As our office manager, she is eager to ensure each patient has a safe, high-quality experience from start to finish.

Laura has traveled extensively and has a deep appreciation for people from any and all backgrounds. She has been a witness to the power of holistic healing and using personalized treatment plans to achieve relief and regain physical/emotional function. In her spare time, she enjoys hiking, cooking, reading, and painting.

Britney, Medical Assistant, IV Technician

Britney was born in Paradise California and was raised here in the Portland area.  After graduating from high school, she started her career path in the medical field and graduated from Cambridge Junior College in Yuba City, CA for Medical Assisting in 2018.  Since 2018 she has been trained and certified as an IV technician.

She enjoys spending her free time with family and exploring the outdoors of the Pacific Northwest with friends.  Britney has always had an interest in alternative medicines and the holistic approach to healthcare. 

Erika Rivera, Medical Assistant, IV Technician

Erika Rivera, MA hails from Bogota, Columbia and has lived in many parts of the United States and World. Erika graduated from University of Alaska Fairbanks in the 2017 Medical Assisting Program. She developed her talent and skill for patient care, phlebotomy and IV procedures while in Alaska and continued her career at OHSU and LOHC here in Portland, OR. 

Erika can be found exploring the outdoors with her husband and German Shepard or cooking delicious healthy dishes that the entire LOHC team loves. 

Dana, Clinic Operations

Dana is an Oregon native who has lived in the Portland area most of her life. She has two beautiful daughters who keep her busy running to and from sports and other activities. Dana is also an artist and enjoys painting in her free time

Before joining our team, Dana was a patient of Dr. McMonagle’s. She had a long history of chronic illness and extreme fatigue. For many years she was undiagnosed and very ill. At her first appointment, with coverage from her insurance, we were able to run several lab tests. Based on those results and a thorough history, we created a new treatment plan for her. This included our highly sought after Ozone treatments. Ozone was life changing for her. She began to regain energy, mental clarity and function after her first treatment. She is forever grateful for the team at Lake Oswego Health Center for restoring her health and giving her the opportunity for a normal life again.

Dana is very excited to join us here at Lake Oswego Health Center. She has a passion for helping people and is excited to get to know all of our wonderful patients.

Jessica, Clinic Assistant

Jessica was born and raised in Tigard, Oregon. She started her career in healthcare at 23, while working as an in-home caregiver. After that, she started working for a major local hospital as a Compliance Specialist. Jessica has a passion for helping others and is very excited for the opportunity to join Lake Oswego Health Center.

Jessica is the mother of two young daughters. In her spare time she enjoys spending time outdoors with her daughters and husband. You can also find Jessica on the sideline coaching youth cheerleaders in Sherwood, Oregon.

Our Mission

To inspire hope and contribute to health and well-being by providing the best care to every patient through integrated clinical practice, education and research.