About Brynn DeLorenzo, PhD
Brynn DeLorenzo, PhD is a clinical psychologist at Massachusetts General Hospital (MGH) and an Instructor at Harvard Medical School (HMS). Dr. DeLorenzo received her PhD in clinical psychology from Loyola University Chicago. She completed both her clinical internship and post-doctoral fellowship at MGH/HMS. She provides psychotherapy (individual and group) as a staff psychologist through the Center for OCD and Related Disorders (CORD) and MGH's inpatient psychiatric unit (Blake 11). She also conducts psychological assessments through the Psychological Evaluation and Research Lab (PEaRL). Dr. DeLorenzo's expertise is in cognitive-behavioral therapy for OCD, anxiety, and related disorders. She also has a specialized interest in treating these disorders during the perinatal period. Dr. DeLorenzo's research aims to improve the accessibility of evidence-based mental health treatment through the development, implementation, and evaluation of intervention programs, particularly digital technologies.
Treats:
- Adult
Medical Education
- PhD, Loyola University Chicago Stritch School of Medicine
- Fellowship, Massachusetts General Hospital
Accepted Insurance Plans
- Aetna
- Beech Street
- Blue Cross Blue Shield
- Blue Cross Blue Shield Medicare
- Carelon Behavioral Health
- Commonwealth Care Alliance
- Coventry
- Evernorth Behavioral Health
- Harvard Pilgrim Health Care
- Humana
- MassHealth
- Medicaid CT
- Medicaid ME
- Medicaid NH
- Medicaid VT
- Medicare
- Multiplan
- Senior Whole Health
- TriCare
- Tufts Health Plan
- Tufts Medicare Preferred
- United Behavioral Health
- Wellpoint
- WellSense
- WellSense NH
Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.
A Top Hospital in America
Mass General is recognized as a top hospital on the U.S. News Best Hospitals Honor Roll for 2025-2026.

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