RiverStone Psychology and Counselling

174 Archimedes St. New Glasgow

Tammy Kontuk M.Sc. R.Psych 

Greg Purvis M.Sc. R. Psych

George Maringapasi M.Ed., CCC, RCT

Tiana Fusco  MSW, RSW

& Associates

About Us

Design sans titre - 2025-07-25T135850.833

Tammy Kontuk M.Sc. R.Psych Clinical Psychologist

NEW:  Adult and older teen assessment services (adult ADHD, high school and college psych-ed assessment)

 * NOTE: not  accepting therapy clients at this time

Hint: go to www.psychologytoday.com and click find a therapist to find clinicians in our area who are taking clients

Tammy is a clinical psychologist with over 20 years of experience. She specialized in the rapid treatment of PTSD using Accelerated Resolution Therapy and EMDR.  Tammy is also a certified trainer and clinical supervisor in the field of addiction and CBT, providing a variety of fun and dynamic educational experiences from short speaking engagements to multi-day workshops.  Treatment population: Adults, and teens

Email for Adult ADHD and psychoeducational assessment only (therapy caseload is full)  tkontukpsychology@gmail.com

George Maringapasi M.Ed., CCC., RCT-C

Note: Caseload is full, not accepting clients at this time

George is a registered counselling therapist  and a Canadian Certified Counsellor. He offers evidence-based, experiential, collaborative, and culturally competent treatment approaches to underlying mental health phenomena. He specializes in general mental health disorders and is a speaker and presenter of the Positive Parenting Program.  Treatment population: Adults, Couples teens and families.

Video sessions available.

Phone or text: 902-237-4844

Email: gjmaringapasi@gmail.com

Design sans titre - 2025-07-25T204240.925

Greg Purvis M.Sc. R.Psych Clinical Psychologist

 **ACCEPTING LIMITED AMOUNT OF CLIENTS AT THIS TIME

Greg Purvis is a clinical psychologist with over 30 years of experience in the mental health and addiction fields.  He has been a leader in the field of addiction, counted on as a national expert to advise policy development to government and national organizations.  He specializes in the rapid treatment of PTSD using Accelerated Resolution Therapy and Cognitive Behavioural treatment of anxiety disorders and depression.  Greg is also a certified trainer  and clinical supervisor in the field of addiction and CBT  providing dynamic learning experiences through speaking engagements, workshops and intensive multi-day educational experiences. Treatment population: Adults and older teens.

Video sessions available

Phone: 902-301-7767

Email: greg.allanpurvis@gmail.com

Tiana Fusco MSW, RSW

*Note: Caseload is full, not accepting new clients

Tiana Fusco is a master’s  social work clinician with over 15 years  of experience.She has worked with adults, families and teens in the addiction and mental health fields.  She has provided expert consultant services to the government of Nova Scotia as a concurrent disorders specialist and is a provincial expert in culturally relevant services for indigenous populations in NS.  Tiana blends a desire for effective, evidence based practice with a genuine, person-entered style. 

Treatment population: Adults, couples and teens

Video Sessions available 

Dawn Peters MSW, RSW

*ACCEPTING NEW CLIENTS

Dawn is a master’s level clinical social worker with 25 years experience in the addiction and mental health field. She has experience in clinical research which blends with a creative and humanistic style of therapy. She is skilled in individual work, group facilitation, gender issues, work related concerns, relationship counselling, and grief therapy. Her genuine passion for helping others along their path is evident in everything she does. Treatment population: adults, couples, teens, and worksites. Video sessions available.

Phone or text: 902-754-0138

Email: eastcoasthealthypractice@gmail.com

Duane McInnis MSW, RSW

Duane A. MacInnis, RSW, MSW

*ACCEPTING new clients

Duane is a master’s level clinical social worker with 25 years’ experience in the addiction and Mental Health Field. Duane is strengths based and solution focused.  Trained in Eye Movement Desensitization and Reprocessing (EMDR), Team CBT (Cognitive Behavioral Therapy), Community Reinforcement Approach (CRA), Community Reinforcement Approach Family Training (CRAFT) and Unified Cognitive Behavioral Therapy.  As a certified Yoga Practitioner Duane is passionate about the physical and mental function as one. Duane takes a holistic treatment approach to meet the unique needs of individuals in a safe and supportive environment while incorporating his training in mindfulness-based stress reduction. Duane has experience working with substance abuse, trauma, and mood and anxiety disorders. Treatment Populations: adults, older teens, men’s issues. 

Connect with Duane today and explore how he can assist in your healing Journey.

Text: 902 225-8549

Email: macinnisda@gmail.com 

Who We Are

Our Practitioners

We are a collaborative practice including psychologists, registered counselling therapists and clinical social workers.  We blend cutting edge treatment approaches with a warm, inviting style in caring for our clients. 

Treatment Menu:

We specialize in PTSD, addiction treatment and general mental health disorders. We offer cognitive behavioural therapy (CBT) and rapid PTSD treatments, including Accelerated Resolution Therapy  and EMDR.  We have a culturally relevant therapy style working with members of the African Nova Scotia and Indigenous communities

Services are covered under private insurance plans and we provide direct billing to most Blue Cross and Green Shield plans

Our Patient Promise

In addition to good therapy, we view the little touches of elegance and comfort as important.  Whether it is our attractive loft-like atmosphere, soothing music,  french-pressed coffee, and selection of gourmet teas on offer, we know that it’s the little things that make our clients feel cared for.

Discover a variety of treatment options:

TEAM-CBT

As featured on the Feeling Good Podcast. TEAM-CBT uses a structured approach that puts empathy first in identifying self-defeating beliefs and interpretations of events that make us suffer.  It is a structured approach to healing that involves active participation in sessions and homework practice  in between sessions.  It is a powerful evidence based treatment backed  by years of research. 

EMDR

EMDR stands for eye movement desensitization  and reprocessing therapy.    This treatment allows clinicians to go deeper into a client’s experience of distress and trauma.  This is not traditional talk therapy, but utilizes the nervous system’s own healing power to bring about powerful change.  Clients notice that they gradually feel freed from triggering situations and healed from past wounds.  This is a non-talking, nervous system-based treatment that promotes deep healing and spontaneous changes to negative beliefs and painful emotions.

Accelerated Resolution Therapy (ART)

This powerful PTSD treatment  is on the cutting edge of trauma therapy science.  It uses rapid neural rewiring to rewrite the way intrusive images and scenes are stored in the nervous system.  This is a non-talking therapy that can treat most single event traumatic memories in 1-3 sessions. 

Internal Family Systems Therapy (IFS)

This therapy is helpful in understanding and responding to automatic patterns in thought, feeling and behaviour.  It is particularly suited to the treatment of Complex PTSD, or trauma that was created through adverse childhood experiences. 

Community Reinforcement Approach (CRA)

This evidenced-based addiction approach takes the view that addiction and subsance abuse can be treated by improving the many facets of a person’s life.  It is drivien by the treatment view that  substances and other addictions meet a need that is not currently met by other areas of a person’s life. This non-judgemental approach allows both clinician and client the space to explore what needs to change in order for healing to happen.  

Community Reinforcement Approach: Family Training (CRAFT)

This therapy empowers loved ones of addicted persons to develop skills and strategies to effectively cope with someone else’s addiction.  The approach empowers family members and other concerned significant others to make changes to the environment with the goal of reducing their loved one’s use, improvming their own quality of life, and getting thier loved one into treatment.  

Our Therapy *Video Sessions Available*

Depression & Anxiety

We use the latest evidence based treatments to  tackle depression and anxiety disorders.  We help people to understand the longstanding patterns that cause these disorders as well as methods to relieve suffering.  

Addiction

Our addiction treatment experts have consulted on national committees and have written toolkits for the Canadian Center on Substance Abuse.  We train across Canada in the Community Reinforcement Approach to addiction treatment, and the Community Reinforcement Approach Family Training (As featured in the HBO Addiction Series) We offer a compassionate, non-judgemental approach to addiction treatment for individuals and families

Trauma & PTSD

We offer cutting edge treatments such as Accelerated Resolution Therapy and EMDR to treat PTSD and complex trauma.   

Clinic Blog

Posts coming soon!

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