JOHN O'BRIEN, PH.D.
Psychologists
Trusted guidance in navigating life's challenges with compassion and expertise.
Credentials & Training
Federally verified- Credential
- CP
- Graduated
- 1996
- Medicare specialty
- Clinical Psychologist
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked August 2026.
About
As a licensed Clinical Psychologist, Dr. John O'Brien treats anxiety, depression, and relationship issues in Portland, Maine. He specializes in cognitive-behavioral therapy, working with adults who seek lasting change in their lives. Dr. O'Brien aims to create a supportive environment where individuals can explore their thoughts, emotions, and behaviors, leading to a more fulfilling life.
Dr. O'Brien's practice is conveniently located downtown, offering in-person sessions as well as telehealth appointments for patients' comfort. He welcomes patients insured through various providers and is happy to discuss payment options and accept new patients at any time.
Dr. O'Brien is committed to helping individuals from diverse backgrounds achieve their wellness goals. He speaks English, reflecting his Irish-American heritage.
Areas of Focus
Therapy Approaches
Specialties
Patients Served
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