Obsessive-compulsive disorder therapists & psychiatrists in Buffalo Grove, IL

I grew up on the south side of Chicago. I am married and have two adult children. I have been a registered nurse for 30 years, primarily in women’s health and psychology and psychiatry nursing. I became a clinical mental health counselor 5 years ago, graduated from Bradley University.

With over a decade of psychiatric nursing experience, I've built a practice around making people feel truly understood from the very first conversation. I'm fluent in English, Hindi, Punjabi, and Urdu, and I've found that meeting someone in their first language changes everything about how safe they feel opening up. I work with adults and teens navigating anxiety, depression, substance use, and eating disorders, combining medication management with therapeutic support to care for the whole person. My practice is fully virtual, so you can access care from wherever feels most comfortable for you.

I am a licensed clinical social worker licensed in Illinois, Alabama, and Arizona with over 19 years of experience working as a social worker/therapist. I have worked with clients with a wide range of concerns including depression, anxiety, relationship issues, parenting problems, addiction, co-dependency, interventions and family dynamic issues. I also have experience working with individuals going through various medical diagnosis as well their caregivers from diagnosis to end of life and grief and loss therapy. I have worked with children, adolescents and adults. My therapy style is warm and interactive. Specialize in trauma work as well.

DBT therapy as well as CBT therapy, family therapy, children and adolescents. I work with individuals that are struggling with trauma, anxiety, depression, ADHD, Autism as well as family and relationship issues.

• I provide a warm, collaborative, and culturally responsive space for clients navigating trauma, anxiety, depression, OCD, and major life transitions. I understand that your mental health is shaped by more than symptoms alone—your culture, identity, relationships, experiences, and environment all matter. I’ll take the time to understand your unique story and strengths while helping you build practical tools, greater resilience, and meaningful change that aligns with your values and goals.

Diana Lankenau has a Master of Science in Nursing from Florida State University and Chamberlain University. She has a Bachelor's in nursing from University of Miami. BA in Psychology from Florida International University. She is Board Certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Family Nurse Practitioner (FNP-BC).

When someone you love is struggling, or when life starts to feel heavier than you can carry on your own, asking for help can feel overwhelming. You do not have to navigate it alone. I work with children, adolescents, adults, and families facing anxiety, behavioral and emotional challenges, life transitions, school related concerns, family conflict, and trauma. Together, we will build on your strengths, develop practical tools, and create meaningful change that helps you or your loved one feel more confident, connected, and supported.