Find Peace Within Yourself.
Compassionate therapy and psychological support for adolescents and adults in the Northwest Suburbs of Chicago, helping you feel understood, supported, and more confident through life’s challenges.
About Us
Welcome To Calm Grounding Psychological Services.
Life can feel overwhelming, but you don’t have to navigate it alone. At Calm Grounding Psychological Services, we believe that true healing happens through connection. We are here to provide a safe, non-judgmental space where you can understand your past, navigate your present, and build a resilient future. Genuine human warmth is blended with evidence based psychological theories to help you on a path toward healing.
At Calm Grounding Psychological Services, we view therapy as a collaborative partnership, not a rigid hierarchy. Your cultural values, family traditions, and spiritual beliefs are strengths to be integrated into your healing, not barriers to be overcome. We work together to ensure our therapeutic goals align with your worldview.
Our Services & Offerings
Psychological Assessments:
ADHD
Diagnostic Clarification
Adoption Evaluation
Bariatric Surgery Evaluation
Learning Disorders
Giftedness Evaluation
Individual Therapy for Adolescents and Adults
(Older Adults too)
Rajkumar Periasamy
Founder & Psychologist:
Dr. Rajkumar Periasamy is a licensed clinical psychologist who obtained his Masters and Doctorate at The Chicago School of Professional Psychology. Dr. Periasamy has a wide variety of experiences in mental health, having worked in community mental health, private practice, in-patient hospital, and with outside community agencies to provide evaluations and therapeutic support services to adolescents and adults. Prior to this role, he served as the Director of Assessments at a group practice in the Northwest Suburbs and Chicago. He provided his psychological expertise/mentorship to doctoral level trainees and pre-licensed professionals. Additionally, he has taught graduate level course work through both master’s and doctoral programs.
Dr. Periasamy has a PSYPACT Certification, which allows him to treat individuals via telehealth across 43 different states. He specializes in working with ADHD, specialized psychological evaluations, Mood Disorders, executive functioning, and provides treatment utilizing evidence based practices.
In his free time, Dr. Periasamy enjoys traveling, spending time in nature, running marathons, cooking, and is an avid sports fan.
Take the First Step Toward Healing
Research shows that the relationship between therapist and client is a critical component to establishing trust and creating meaningful change. Finding the right therapist can be daunting. We at Calm Grounding Psychological Services offer a 15 minute complimentary call to discuss your needs, answer your questions, and determine how we can help on your journey to healing. We look forward to hearing from you.