Therapist Dr. Peter Mccusker Photo

Dr. Peter Mccusker, Psychologist

Career difficulties Coping with life changes Coaching ADHD
Phone Messaging

About me

Dr. McCusker is a licensed psychologist, member of the American Psychological Association, and member of the National Register of Health Service Psychologists. He has taught multiple psychology courses and has practiced within clinical psychology and within the psychology of physical medicine and rehabilitation for forty-five years. During that time, he has treated patients in private settings, hospitals, and outpatient clinics. Dr. McCusker is a husband, father, grandfather, former marathon runner, and former U. S. Marine. Among other works, Dr. McCusker has authored Conversation: Striving, Surviving, and Thriving, Don't Rest in Peace: Activity-Oriented, Integrated Physical and Mental Health, and Questioning & Answering: How, Who, When, & Where.

Please be mindful that Dr. McCusker no longer provides treatment for any mental illness or substance abuse problem. Any client needing such treatment must seek it elsewhere with a fully licensed and trained clinician. He can help persons with diagnosed mental illness make healthful lifestyle changes, but only for as long as they continue being seen by a mental health clinician who is providing their treatment.

Professional experience

45yrs in practice
Career difficulties Coping with life changes Coaching ADHD

Additional areas of focus: Aging and Geriatric Issues, Attachment issues, Avoidant Personality, Cancer, Caregiver issues and stress, Chronic pain illness and disability, Communication problems, Divorce and separation, Eating and Food-Related Issues, Intellectual Disability, Isolation / loneliness, Life purpose, Midlife crisis, Military and Veterans Issues, Mood disorders , Traumatic Brain Injury

Clinical approaches: Cognitive Behavioral Therapy (CBT), Mindfulness Therapy, Motivational Interviewing, Narrative Therapy, Psychodynamic Therapy

Services offered


License information

PA Psychologist PS002593L


These quotes represent just a few of the many positive reviews that we have received for Dr. Peter Mccusker. We don't pay anyone to provide their review and they are all made voluntarily. Some people's experience receiving therapy with BetterHelp might be different.

Dr. Mccusker is thoughtful, considerate, and extremely knowledgeable. He made me feel a lot better and more emotionally stable, he helped me develop action plans to take care of myself, and he was an excellent coach for me through some big life decisions. Could not recommend Dr. Mccusker highly enough

Written on Jun 18, 2022 after therapy with Peter for 2 months on issues concerning relationship issues, intimacy-related issues, and coping with life changes


Written on May 01, 2022 after therapy with Peter for 11 months on issues concerning stress, anxiety, relationship issues, trauma and abuse, intimacy-related issues, self esteem, career difficulties, coping with life changes, and coaching

Dr Mccusker is very easy to talk to and is extremely helpful.

Written on Sep 13, 2021 after therapy with Peter for 3 months on issues concerning depression, stress, anxiety, relationship issues, family conflicts, trauma and abuse, intimacy-related issues, eating disorders, and adhd