Our Team


We are proud to have an accomplished, knowledgeable team that bring commitment and dedication to their work with individuals suffering from the disease of addiction – as well as their families. We insist on high standards and quality care from our professional team to provide ethical addiction treatment without discrimination or stigma. Being at the front line, they have a very difficult job – we hope you will consider this when talking to them!


Our Administration Team



Medical Administrative Assistant

 Lindsay Miller

Lindsay was born and raised in the Kamloops area and has been working in medical offices since age 14. Though she strayed from that and studied creative writing an journalism in university, she has found her way back to the medical office environment. She now has her Medical Administrative Assistant certificate and Medical Review Officer certificate, with additional training for DOT and non-DOT sample collection. 

Medical Office Assistants (MOAs) & Transcriptionists

Medical Office Assistants (MOAs) are responsible for maintaining a successfully functioning front desk by performing the necessary tasks in an organized, thoughtful, and effective manner.

Transcriptionists are responsible for understanding, evaluating, interpreting and recording in-office sessions with patients as well as transcribing dictations for the assessing physicians.

Misti, MOA







Mackenzie, MOA/Transcriptionist







Elizabeth, Transcriptionist







Regan, Transcriptionist


Our Addiction & Mental Health Counsellor

Brittany Walker, BA, CCAC

Brittany Walker, originally from Penetanguishene, Ontario, attended Thompson Rivers University, graduating in 2015. She obtained a Bachelor of Arts Degree with a double-major in Psychology and Sociology, focusing on individual and group behaviour, personality theories, cognition, as well as at-risk populations and crime causation theories. She has also completed a Diploma in Applied Psychology and Counselling, with a specialization in Professional Counselling through the Kelowna College of Professional Counselling. She is a Canadian Certified Addiction Counsellor through the Canadian Addiction Counsellors Certification Federation.

Brittany’s purpose at ICDO is to provide support to those struggling with, or overcoming, addictions and its related issues, using an integrative approach that includes Cognitive Behavioural Therapy, Motivational Interviewing, and Solution-Focused counselling techniques, applying a trauma-informed approach. These techniques are evidence-based and often employed with a psycho-educational component. Brittany is also our SMART Recovery meeting facilitator. 

Brittany is the person to connect with for information on eligiblity and costs associated with various treatment centres, as well as assistance in the application process.  She is also able to guide patients on how to register with PharmaCare, MSP, and other various applications.

Brittany is also the counsellor for transgender individuals attending Kamloops Equality Health Centre. She is LGBTQ2S+ competent and helps transgender individuals explore any issues related to their gender identity and expression, as well as coping with any mild mental health concerns, such as anxiety, depression, and trauma. Brittany also works with the individual’s family members to provide a safe space for discussion, as well as to help educate them.


Our Physicians

We have three physicians at ICDO – Dr. Mandy Manak, Dr. Hancke de Kock, and Dr. Orlando Passerin. All of which are certified with the American Board of Addiction Medicine.

Dr. Manak and Dr. de Kock, both Medical Review Officers, also provide Independent Medical Evaluations and Medical Monitoring of patients in Safety-Sensitive Positions.


Dr. Manak is an experienced physician in the field of Addiction Medicine, in good standing with the College of Physicians and Surgeons of British Columbia since 2010. She graduated from Medical School at the University of British Columbia in Vancouver, British Columbia in 2007. She is board certified with the American Board of Addiction Medicine, exam certified with the International Society of Addiction Medicine and a certificant of the Canadian Society of Addiction Medicine. She is a certified review officer with the American Association of Review Officers.

Dr. Manak provides inpatient consultative services for patients with substance use disorders and chronic pain at Royal Inland Hospital in Kamloops, British Columbia and outpatient consultation in her private office. She is a medical consultant at Phoenix Detox Centre, treating patients with substance use disorders, and also consults with the Sexual Assault Team. She is the founding principle and Medical Director of the Interior Chemical Dependency Office, where she provides both Methadone and Suboxone office-based treatment for opioid dependency; She also has a substantial number of patients who are alcohol, sedative/hypnotic, cocaine, marijuana, and/or methamphetamine dependent. Her area of expertise is in dual diagnosis chronic pain and addiction, treating patients in an integrated manner with respect to mental health, addiction, and pain. ICDO provides CBT for our pain patients in group medical visits. As an MRO, she provides private consultation and medical monitoring of addicted patients who are in safety sensitive positions – her referral base comprising the College of Physicians and Surgeons, the College of Pharmacists of BC, the BC Teacher’s Federation, Afton Mines, and the Royal Mounted Canadian Police. Previously, she provided independent medical exams for complex Work Safe BC patients for concurrent pain and addiction.

Along with her clinical work, she is a current member of the Opiate Agonist Therapy Panel with the College of Physicians and Surgeons of BC, where a portion of her responsibility is doing peer audits of Methadone Maintenance Practices across the province. Since 2015, she has represented British Columbia on the Board of Directors with the Canadian Society of Addiction Medicine. She is the founding Co-Chair of the Western Canada Addiction Forum, an annual conference in its third year of existence, whose aim is to provide education on advances in Addiction Medicine with an emphasis on high quality addiction care.

She is a regular presenter at workshops, seminars and conferences, both locally and nationally on topics related to substance use disorders as well as concurrent pain and addiction disorders. She is a recognized expert on the topic of buprenorphine/naloxone and regularly trains physicians in the use of this medication on a provincial level. She has been on several advisory boards related to the use of this medication as well as on opiate dependency. She provides expert opinion on legal cases related to substance use disorders.


Dr. Hancke de Kock, MBChB, CCFP, ABAM

Dr. Hancke de Kock is a qualified general practitioner with the College of Physicians and Surgeons of British Columbia since 2008. He graduated from the University of the Free State in Bloemfontein, South Africa in 2004.

Dr. de Kock is a member of the CCFP, as well as the Canadian, American and International Societies of Addiction Medicine, CSAM, ASAM, ISAM respectively. He is a Diplomate of the American Board of Addiction Medicine and the International Society of Addiction Medicine. He is a certified medical review officer with the American Association of Medical Review Officers.

Dr. de Kock has a robust addiction medicine practice with the Interior Chemical Dependency Office where, in addition to OAT, he functions as a Medical Review Officer (MRO), providing consultation and monitoring services for substance dependent patients in safety sensitive positions. The referral base for these patients is the CPSBC, the College of Pharmacists of BC, the BC Teacher’s Federation, Afton Mines, and the Royal Mounted Canadian Police. He provides telehealth addiction services to the East Kootenay Addiction Service office in Cranbrook, BC. In addition, he is a consultant for Hepatitis C treatment in our Kamloops location. Dr. de Kock also maintains a family practice at his own clinic in Kamloops, BC.


Dr. Orlando Passerin, BSC, DC, MD, CCFP, ABAM, CSAM

Dr. Passerin, originally from Kamloops, attended Saba University School of Medicine, graduating in 2009. He completed residency at Queens in 2012, during which, Dr. Passerin received training in Prison Medicine, including via telehealth, delivering addiction services to minimum, medium and maximum security prison.

Dr. Passerin is board certified in Addiction Medicine through the American Board of Addiction Medicine and has been a member in good standing with the College of Physicians and Surgeons of BC since 2012. He is a member of ASAM, ISAM, and CSAM. He also maintains an active primary care practice in Kamloops.