Psychologist in Port Chester, New York Jessica Kastin, Psychologist

Jessica Kastin provides compassionate, expert psychological testing and support for children, adolescents, and young adults across New York. At LifeStance Health, she is committed to helping clients and their families better understand emotional, behavioral, and developmental concerns through comprehensive evaluations. Jessica creates a safe, affirming space where individuals feel seen and supported, using her deep clinical insight to guide each assessment and treatment recommendation. With a strong focus on early childhood and adolescent development, Jessica specializes in psychological testing for ADHD, anxiety, and childhood behavior issues. She is particularly passionate about helping children and teens navigate the unique challenges related to trauma, school avoidance, and emotional regulation. Her assessments help families gain clarity, access resources, and advocate for the educational and therapeutic support their children need to thrive. Jessica has extensive experience working with youth in foster care and adoption, children on the autism spectrum, and individuals with developmental disabilities. She is especially attuned to the needs of LGBTQ+ youth and integrates a strengths-based, identity-affirming approach into her work. Her evaluations are not just diagnostic tools—they are empowering experiences that give voice to a client’s strengths and struggles while informing meaningful paths forward. Outside of her clinical work, Jessica enjoys cooking, baking, reading, and spending time with family and friends. Her warm, approachable style helps build trust with children and caregivers alike, making the evaluation process feel collaborative and supportive.