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Supporting Your Recovery from Opioid and Drug Addictions

Why choose Us.

We believe that medication is only one part of a patient's recovery and should be used in the lowest dose and for the shortest amount of time necessary.

Our Mission.

To become an integral part of a healthy East Toronto community where freedom from addiction, the recovery of lives, and the realization of dreams is available to all.

What we Do.

To provide quality care for people struggling with addiction, assisting them to live physically, emotionally and spiritually fulfilling lives.

Dr. Leonard Bienenstock

Dr. Leonard Bienenstock, M.D. CCFP

Doctor, Founder

Originally from Montreal, Dr. Bienenstock completed Medical School at McGill University before relocating to Toronto for his Residency in Family Medicine at Toronto Western Hospital. He has since acquired additional training in Addictions Medicine, Psychotherapy, and Minor Surgery. Above all he is passionate about caring for those who suffer from addictions and mental illness. When enjoying downtime, Dr. Bienenstock enjoys playing squash, woodworking, chess, and playing bass guitar.

Fluent in English, French
Dr. Priyanka Kapil

Dr. Priyanka Kapil, M.D. CCFP


Dr. Kapil completed her Medical School and Family Medicine Residency through the University of Toronto. She has done research in improving opioid management and created EMR tools to help improve safety around opioid prescribing. She has completed training through CAMH (Centre for Addiction and Mental Health) in Opioid Dependence Treatment. Over time she has fostered interests in Quality Improvement Research, Addiction Medicine, and Motivational Interviewing. Outside of clinical and research work, she also enjoys teaching and mentoring medical students. In her spare time Dr Kapil enjoys spending time with her family, partaking in culinary arts, and swimming.

Dr. Sam Merrifield

Dr. Sam Merrifield, M.D. CCFP


Dr. Merrifield completed Medical School at the Northern Ontario School of Medicine in his hometown of Sudbury before attending the University of Toronto for his Family Medicine Residency. By pursuing training opportunities in Addictions Medicine throughout his medical education he fostered a passion for practicing in this field. He has also done research on understanding patient perspectives regarding the link between chronic pain, high dose opioid prescriptions and addiction. Since entering practice he has completed training in Opioid Dependence Treatment with the Center for Addiction and Mental Health (CAMH). Dr. Merrifield also strives to integrate psychotherapy into his practice in order to provide his patients with comprehensive care. Outside of medicine he is a music aficionado, an outdoors enthusiast and an avid reader.

Poonam Dhir

Poonam Dhir, R.P., C.C.C.

Registered Psychotherapist

Poonam Dhir has completed her master’s degree in “Pastoral Studies with Certificate in Psychotherapy & Spiritual Care” from the University of Toronto. She is also pursuing a Diploma in Mental Health & Buddhism (U of T) and a Certificate in Mental Health & Addictions (Ryerson University). She completed her graduate-level training in institutional forensics (Centre for Addiction and Mental Health and Toronto East Detention Centre), where she learned how people become vulnerable to mental health issues, addictions, and criminal behaviour. She employs various modalities such as spiritually-integrated psychotherapy, Cognitive Behavioral Therapy (CBT), Solution-Focused Brief Therapy, mindfulness practices, and positive psychology. Her goal is to help clients develop a healthy self-image, become more resilient and grow.

Fluent in English, Hindi, Urdu, Punjabi
Andrew Johnston

Andrew Johnston, B.Comm.

Office Manager

Andrew grew up in Southwestern Ontario and obtained his Bachelor of Commerce degree from Carleton University in Ottawa. Following 6 years in Vancouver, where he worked in Disability Management and Labour Relations in a Health Care context, Andrew relocated to Toronto, where he has furthered his work in health care, while following a passion for screenwriting and filmmaking.

Amanda Crann

Amanda Crann


Amanda has been working in addictions clinics for 4 years and spent 4 years before that working in a pharmacy, allowing her to understand both ends of addiction recovery. She is committed to providing patients, old and new, with a positive experience in the clinic. She looks forward to greeting everyone with a smile and is always ready to provide a friendly listening ear. In her down time, Amanda enjoys spending time with her family and dying her hair an array of fun colours.

Shellyann Williams

Shellyann Williams


Shellyann is the newest member of our team. Her background in Personal Support Worker and Medical Office Assistant roles make her a valuable addition to CTC. She is caring and attentive in her work, dedicated to providing the necessary support to our physicians as well as our clients. In her spare time, Shellyann enjoys planning events, going on road trips and entertaining friends and family.

Mo Kanofsky

Mo Kanofsky

Mental Health and Addictions Resource and Support Student

Mo is an undergraduate student in psychology at University of Toronto who is passionate about addiction treatment and mental health. He is committed to working alongside the other members of the CTC team by providing information and support to our clients in a one-on-one setting. Mo aspires to become a mental health professional in the future and enjoys interacting with clients to help them and learn from them. In his spare time, Mo coaches a youth baseball team, and is an avid reader and sports fan.