Evelyn Twitchell, LMHCA
Psychotherapist
- LGBTQIA+ Affirming
Narrative of Services:
Sommer Psychology Group (SPG) is a specialty mental health practice focused on the assessment and evidence-based treatment of obsessive-compulsive disorder (OCD), anxiety disorders, and related conditions. Approximately 90% of our clients seek treatment for OCD or related disorders. Our clinicians provide specialized psychotherapy using Exposure and Response Prevention (ERP), Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and Inference-Based CBT (I-CBT). We also offer psychiatric medication management and psychological evaluations. Services are available in person in Indianapolis and through telehealth, with individualized treatment plans designed to address complex and co-occurring mental health conditions.
Treatment of Co-occurring Disorders:
Evelyn works with adults experiencing co-occurring mental health conditions, including anxiety disorders, OCD, trauma/PTSD, depression, ADHD, and substance use disorders. Her treatment approach begins with a comprehensive assessment to identify how these conditions interact and affect daily functioning. She develops individualized treatment plans that prioritize clinical needs and incorporate evidence-based approaches, including Cognitive Behavioral Therapy (CBT), Exposure and Response Prevention (ERP), Acceptance and Commitment Therapy (ACT), and Dialectical Behavior Therapy (DBT). Treatment focuses on reducing symptoms, improving emotional regulation, strengthening coping skills, and supporting long-term psychological well-being.
Training Description:
I am a Licensed Mental Health Counselor Associate (LMHCA) with a passion for helping individuals navigate OCD, anxiety, and related challenges. I use evidence-based approaches, including Cognitive Behavioral Therapy (CBT) and Exposure and Response Prevention (ERP), while tailoring treatment to each person’s unique experiences and goals. As a member of the International OCD Foundation (IOCDF), I am dedicated to continually growing my knowledge and skills through specialized training, ongoing clinical consultation, and collaboration with experienced OCD specialists at Sommer Psychology Group. My goal is to provide compassionate, supportive care that helps clients build confidence, embrace uncertainty, and make meaningful progress.