Dr. Nick Schubert

Clinical Psychologist under Supervised Practice

Dr. Nick Schubert is a Psychologist (Supervised Practice) at the Ottawa Institute of Cognitive Behavioural Therapy (OICBT). He provides individual therapy and psychological assessment services to adults aged 18–65 under the supervision of Drs. Mandisa Peterson and François Rousseau.

Nick’s therapeutic style is warm, relaxed, and collaborative. He works closely with clients to understand their concerns, clarify what matters most to them, and keeps these priorities at the centre of therapy. Drawing on cognitive-behavioural and related approaches, he helps clients develop and apply practical strategies that support meaningful, lasting change.

About Nick

  • Mood Disorders (Depression, Bipolar)
  • Anxiety (Social, Generalized, Panic, Agoraphobia, Specific Phobias,  Health)
  • Obsessive-Compulsive Disorder
  • Trauma
  • Attention-Deficit/Hyperactivity Disorder 
  • Insomnia
  • Interpersonal/Relationship problems
  • Health & Lifestyle goals

Nick primarily uses Cognitive-Behavioural Therapy in his work with clients and also integrates Schema Therapy, Dialectical Behavioural Therapy (DBT) and Acceptance and Commitment Therapy (ACT) to best fit client needs. 

Dean’s Doctoral Award, Memorial University
https://www.mun.ca/sgs/faculty-and-staff/special-funding-initiatives/ 

Relevant Positions Held

Peer-reviewed research articles

Knott, V., Baysarowich, R., Corace, K., Willows, M., Carroll, B., Baddeley, A., & Schubert, N. (2025). A pilot study on craving and its relationship to self-ratings of depression and anxiety in prescription opioid use disorder. Experimental and Clinical Psychopharmacology, 33, 189-198. DOI: 10.1037/pha0000753

Henderson, K., Obeid, N., Buchholz, A., Schubert, N., Flament, M., Thai, H., & Goldfield, G. (2022). Coping in adolescents: A mediator between stress and disordered eating. Eating Behaviours, 47, 101626. DOI: https://doi.org/10.1016/j.eatbeh.2022.101626

Obeid, N., Flament, M., Buchholz, A., Henderson, K., Schubert, N., Tasca, G., Thai, H., & Goldfield, G. (2022). Examining shared pathways for eating disorders and obesity in a community sample of adolescents: The REAL Study. Frontiers in Psychology, 13, 805596. DOI: 10.3389/fpsyg.2022.805596 

 

Corace, K., Baysarowich, R., Willows, M., Baddeley, A., Schubert, N., Knott, V. (2022). Resting state EEG activity related to impulsivity in people illicitly using prescription opioids. Psychiatry Research: Neuroimaging, 321, 111447. DOI: 10.1016/j.pscychresns.2022.111447.

 

Agterberg, S., Schubert, N., Overington, L., & Corace, K. (2020). Treatment barriers among individuals with co-occurring substance use and mental health problems: Examining gender differences. Journal of Substance Abuse Treatment, 112, 29-35. DOI: https://doi.org/10.1016/j.jsat.2020.01.005

Corace, K. Willows, M., Schubert, N., Overington, L., Mattingly, S., Clark, E., Leduc, N., & Hebert, G. (2020). Alcohol Medical Intervention Clinic: A rapid access addiction medicine model reduces emergency department visits. Journal of Addiction Medicine, 14, 163-171. DOI: 10.1097/ADM.0000000000000559

Baysarowich, R., Corace, K., Willows, M., Baddeley, A., Schubert, N., de la Salle, S., Carroll, B., & Knott, V. (2020). Electroencephalographic evaluation of resting-state Functional connectivity in prescription opioid use disorder. Journal of Alcohol and Drug Addiction, 1, 1-11. DOI: 10.31021/jada.20201101

Schubert, N., Backman, P., Bhatla, R., & Corace, K. (2019). Telepsychiatry and patient and provider concordance. Canadian Journal of Rural Medicine, 24, 75-82. DOI: 10.4103/CJRM.CJRM_9_18

Schubert, N., & Bowker, A (2019). Examining the impostor phenomenon in relation to self-esteem level and self-esteem instability. Current Psychology, 38, 749-755. DOI: 

https://doi.org/10.1007/s12144-017-9650-4

Corace, K., Willows, M., Schubert, N., Overington, L., & Howell, G. (2018) Youth require tailored treatment for opioid use and mental health problems:  A comparison to adults. Canadian Journal of Addiction, 9, 15-24. DOI: 10.1097/CXA.0000000000000032

Gunnell, K., Flament, M. F., Buchholz, A., Henderson, K. A., Obeid, N., Schubert, N., & Goldfield, G. (2016). Examining the bidirectional relationship between physical activity, screen time, and symptoms of anxiety and depression over time during adolescence. Preventive Medicine, 88, 147-152. DOI: 10.1016/j.ypmed.2016.04.002

Flament, M., Buchholz, A., Henderson, K., Obeid, N., Maras, D., Schubert, N. Paterniti, S., & Goldfield (2015). Comparative distribution and validity of DSM-IV and DSM-5 diagnoses of eating disorders in adolescents from the community. European Eating Disorders Review, 23, 100-110. DOI: 10.1002/erv.2339