Union Square Practice: Florida

Meet the clinicians at USP Boca Raton

Jessica Stack, MD

Dr. Jessica is a board-certified psychiatrist with expertise in treating children, adolescents, and adults across a range of conditions including ADHD, anxiety, OCD, and mood disorders. She combines medication management with evidence-based therapies to provide thoughtful, comprehensive care.

Christina Maroone, PMHNP

Christina is a psychiatric-mental health nurse practitioner who provides both psychotherapy and medication management for young adults and adults. She takes a holistic, collaborative approach, helping clients work through anxiety, depression, ADHD, and life stressors with care that addresses both emotional and biological needs.

Stephanie Lechich, PhD

Dr. Lechich is a licensed clinical psychologist who helps individuals navigate perfectionism, performance pressure, and emotional challenges with insight and clarity. Her integrative counseling approach blends psychodynamic therapy with CBT, DBT, and mindfulness to support meaningful, lasting change.

Sarah Piscitelli, LMHC

Sarah is a licensed mental health counselor specialising in anxiety, relational challenges, and supporting individuals who feel stuck in their lives. She uses evidence-based approaches like CBT, DBT, and mindfulness to help clients build skills, develop self-compassion, and move forward with confidence.

Find compassionate mental health support today.

Our clinical coordinators, Solomon and Ella, are here to provide thoughtful guidance and help you connect with the right clinician. Fill out our contact form to set up a free consultation or reach out at 212-991-1109.

In-Person in Boca Raton or Online Across Florida

Union Square Practice is located at 7100 W. Camino Real, Suite 404, Boca Raton, FL 33433. We offer in-person therapy and psychiatry at our Boca Raton office, as well as virtual services for clients anywhere in Florida.