Dr. Mercer was born and raised in St. John’s Newfoundland. After receiving her first Bachelor of Science Degree at Memorial University of Newfoundland, she moved to Asia to teach English and travel.  During this time Kathleen became interested in Chinese Medicine and decided to return to Canada and further her studies in Naturopathic Medicine. Already having chosen Medicine as a life path, Kathleen felt Naturopathic Medicine encompassed principles of health care that could complement conventional medicine including; prevention, do no harm, doctor as teacher, stimulate the bodies own vital force to do the healing, healing power of nature, patient as an individual, finding and treating the root cause of disease.

Kathleen graduated in 2000 from the Canadian College of Naturopathic Medicine after 4 years of Naturopathic Medical Training. She held a successful and busy Practice in Orangeville Ontario for 3 years. Kathleen returned to Newfoundland in 2004 to become the first licensed Naturopathic Doctor on the island. Kathleen holds a Practice in St. John’s.

Kathleen has also been trained as a Doula and works as a birth support partner combining her Naturopathic training and her Doula training. Kathleen works with patients going through fertility support. Kathleen has been trained in Cranio-Sacral Therapy and incorporates it into her practice. Kathleen is a Yoga Teacher and obtained her Yoga Teacher’s qualifications with The Yoga Connection Teacher Training Course in Ontario. Kathleen sees Yoga as a healing art that goes hand in hand with Naturopathic principles.

Kathleen’s practice is a general practice seeing patients of all ages and circumstances.   The modalities of Naturopathic Medicine include nutrition, botanical medicine, homeopathy, Chinese medicine and acupuncture, hydrotherapy, and lifestyle counselling.   Kathleen’s agenda incorporates many outreach projects to the public including talks, seminars, and community events.


Dr. O’Brien is a Doctor of Naturopathic Medicine who graduated in 2008 from the Canadian College of Naturopathic Medicine (CCNM), one of six accredited medical schools in North America offering four-years of formal studies in Naturopathic Medicine.  She received her Bachelor of Science degree in Nutrition from St. Francis Xavier University where she discovered her passion for health and healing. Prior to CCNM, she worked as a Clinical Dietetic Assistant out of Cambridge Memorial Hospital in Ontario. She also worked with a Chinese Medicine Doctor as a nutritionist in Ontario where she learned the importance of helping people heal themselves. Her approach to health care is empowering and holistic. Beyond her training at CCNM, Dr. O’Brien has a clinical background working as a nutritionist. In practice she has worked with a diverse patient base, treating a multitude of physical and mental ailments.  Upon returning to her roots in St. John’s, Dr. O’Brien began her practice in complementary medicine with a special interest in Women’s Health, Pediatric Care, Acupuncture and Herbal Medicine.




Andrea Cook is a Registered Psychologist with Master of Arts Degree in Counselling Psychology from McGill University (2003). Andrea is the past owner of Waldegrove Psychological Services and was the managing psychologist of True North Psychological Services in Halifax from 2017 until her recent move home in June. Andrea has worked in a variety of settings including the Department of National Defence, Newfoundland and Labrador Youth Correctional Services, private practice, and she was a part-time faculty member at Saint Mary’s University. She was the chair of the Association of Psychologists of Nova Scotia’s Post-Trauma Services Committee from 2003-2008.

Andrea is an eclectic psychologist who pulls in various forms of evidence-based psychotherapies including Mindful Cognitive Behavioural, Sensorimotor, Acceptance and Commitment, and Emotion-Focused therapies to design the best treatment approach for each individual client. With over 16 years of experience, her current niche would fall within the realm of first responders; and more specifically those experiencing difficulties with trauma and other occupational stress injuries. She is very holistic in her approach, considering a client’s level of physiological, emotional, and cognitive reactivity, in an effort to restore a sense of personal balance.


Dr. Ashli Hayes is a clinical psychologist who obtained her PsyD from Memorial University in 2017. She uses a client-centered approach to therapy, in which the treatment approach is tailored to each client’s needs and preferences. She uses an integrative approach, drawing mainly on psychodynamic and emotion-focused therapies, integrating cognitive behaviour therapy (CBT), dialectical behaviour therapy (DBT) and acceptance and commitment therapy (ACT) interventions as needed. Dr. Hayes works with individuals with diverse backgrounds and needs. Some of her main areas of focus include eating disorders, body image, anxiety, mood, personality, gender, sexuality, adjustment, relationship and interpersonal difficulties, emotion regulation and childhood trauma, among others.




Carrie is a registered social worker, with nearly 10 years in practice experience.  She graduated from Memorial University with her Masters in Social Work 2019, specializing in mental health and counselling.  Her clinical approach is trauma-informed, using various treatment modalities including Cognitive Behavioural Therapy (CBT), Dialectical Behavioural Therapy (DBT), Acceptance and Commitment Therapy (ACT), Mindfulness, Solution Focused Therapy, and when available, Equine Assisted Psychotherapy.  Carrie provides tailored treatment plans for her clients that are inclusive of their challenges and needs; providing validation for their lived experiences while instilling empowerment principles to achieve their goals.  Her areas of focus and experience including anxiety and mood disorders, addictions, adult and childhood trauma, post-traumatic stress disorder, grief and loss, stress management and self-care, relationship and interpersonal difficulties.

Naturopathic Doctors

  • Dr. Kathleen Mercer
  • Dr. Tanya O’Brien



  • Andrea Cook
  • Dr. Ashli Hayes


Social Work

  • Carrie Matthews