
Brian P Brennan MD MMSc
Medical Director, Obsessive-Compulsive Disorder Institute, McLean Hospital
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115 Mill StBelmont, MA 02478
Phone+1 617-855-3910
Fax+1 617-855-3585
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Summary
- Dr. Brian Brennan is a psychiatrist in Belmont, MA and is affiliated with McLean Hospital. He received his medical degree from Perelman School of Medicine at the University of Pennsylvania and has been in practice 17 years. He is experienced in obsessive-compulsive disorder and mood disorders.
Education & Training
Harvard-MIT Division of Health Sciences and TechnologyMMSc, Medical Science, 2008 - 2009
Mass General Brigham/Massachusetts General Hospital/McLean HospitalResidency, Psychiatry, 2001 - 2004
University of Pennsylvania Health System/Pennsylvania HospitalInternship, Internal Medicine, 2000 - 2001
Perelman School of Medicine at the University of PennsylvaniaClass of 2000
University of PennsylvaniaBA, 1990 - 1994
Certifications & Licensure
MA State Medical License 2002 - 2027
PA State Medical License 2000 - 2001
American Board of Psychiatry and Neurology Psychiatry
Awards, Honors, & Recognition
- Boston Magazine Top Doctor 2017-2019
Clinical Trials
Publications & Presentations
PubMed
- Distribution and age-interactions of cortical thickness associated with specific classes of medication used to treat obsessive-compulsive disorder: Results from the in...Iliyan Ivanov, Nadza Dzinalija, Yoshinari Abe, Pino Alonso, Stephanie H Ameis
Cortex; a Journal Devoted to the Study of the Nervous System and Behavior. 2026-09-02 - 2 citationsA precision medicine trial of bupropion and sertraline for major depressive disorder using a biomarker-guided sequential multiple-assignment design.Peter Zhukovsky, Manuel Kuhn, Lauren R Borchers, Boyu Ren, Sarah E Woronko
Nature. Mental Health. 2026-01-01 - 60 citationsGenome-wide analyses identify 30 loci associated with obsessive-compulsive disorder.Nora I Strom, Zachary F Gerring, Marco Galimberti, Dongmei Yu, Matthew W Halvorsen
Nature Genetics. 2025-06-01
Journal Articles
- Archival Report Use of an Individual-Level Approach to Identify Cortical Connectivity Biomarkers in Obsessive-Compulsive DisorderJason W Krompinger, Brian P Brennan, Scott L Rauch, ScienceDirect
- A Case of Severe Intractable Contamination-Based Obsessive-Compulsive DisorderAlik S Widge, Brian P Brennan, JAMA
- Neuroscientifically Informed Formulation and Treatment Planning for Patients with Obsessive-Compulsive DisorderDarin D Dougherty, Alik S Widge, Scott L Rauch, Brian P Brennan, Sabine Wilhelm, JAMA
Authored Content
- A Better OCD Treatment?November 2014
External Links
- McLean Hospitalwww.mcleanhospital.org
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