About Sarah Wallin, LMHC-D
Sarah Wallin is a licensed mental health counselor (with diagnostic privilege) at Brightline’s Brooklyn clinic. Sarah has specialized in working with young children and adolescents throughout her career, supporting clients with ADHD, OCD, anxiety, depression, trauma, disruptive behaviors, LGBTQ+ identity development, and the many life transitions that shape childhood and adolescence including school challenges, peer conflicts, and family changes such as divorce.
Sarah is trained in evidence-based practices, including cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), and parent management training (PMT). She’s worked in foster care and private practice, with young adults down to toddlers, providing diagnostic evaluations, individual therapy, parent coaching, and collaborative care with schools and community providers.
What grounds Sarah most in her work is a passion for helping kids feel seen and heard. She believes that young people often carry more than adults realize and, in today’s world, they are navigating pressures and complexities that can feel overwhelming.
Professional Summary
Education:
Masters in Mental Health Counseling Counseling (MS), SUNY New Paltz
Bachelor of Science in Psychology (BS), SUNY New Paltz
Therapeutic approaches and certification(s): Cognitive behavioral therapy (CBT), dialectical behavioral therapy (DBT), trauma-focused cognitive behavioral therapy (TF-CBT), parent management therapy (PMT)
License Type(s): Licensed Mental Health Counselor - Diagnostic Privilege (LMHC-D)
States where clinician is licensed: Florida Telehealth (TPMC5708), New York (013913)
Experience
Intake Coordinator & Clinical Therapist; Heartshare St. Vincent Services
Supervisor & Clinical Therapist; Expressive Connections PLLC
Training
Intern; Children’s Home of Poughkeepsie
Meet our Brooklyn clinical providers
Tara Balin, LMSW
“What excites me most is being able to sit with kids and families through the highs and the lows of life, to foster and witness growth, healing, and change.”
Stephanie Eichler, LMSW
“ I am passionate about helping clients lead fulfilling lives, empowering them to discover their inner strengths and overcome challenges.”
Sierra Freeman, LMSW
“I’m continually inspired by the resilience of the kids and families I serve. I strive to blend warmth, empathy, and evidence-based structure so every child feels supported, understood, and equipped with skills that will carry them forward."
Gina Foster, LMSW
“I’m inspired by the resilience kids and families develop and show throughout the therapeutic process. I find it energizing to support people as they grow in confidence and self-understanding during their formative years.”
Stephen Fox, PsyD
“What I love the most about this field is working with kids and teens and seeing them meet their goals, connect with their peers, and thrive in their individual settings."
Bria Leyden, LMHC-D, LPC
"I am passionate about supporting kids and teens as well as collaborating with parents to support their families."
Edward Merritt, PhD
“What excites me most about the field is being able to connect therapeutic skills to the interests or passions of my clients. It is very motivating when I see something that we have been working on finally click with a child.”
Sylvia Ryszewska, PhD
"I am most passionate about providing early intervention care as it can and does change the lives and trajectory of kids and families."
Nikki Vega, LCSW
"I’m passionate about helping families strengthen connection while building skills that support their child's confidence and independence."
Sarah Wallin, LMHC-D
"Being able to provide a space where kids can express themselves openly, discover their strengths, and build skills that foster resilience is what inspires me every day."
Madelyn Williams, LMSW
“I’m passionate about giving kids tools they can carry throughout their lives, and I’m continually motivated by the courage youth and parents show each time they show up, share openly, and take steps toward greater confidence and connection.”
Charlie Xiao, PMHNP
“I am passionate about making a positive impact on each child's life and helping them overcome their struggles and challenges. Their resiliency and successes, large and small, are what inspire me each and every day."
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What is a therapist?
Brightline therapists have earned their master’s degree in social work, psychology, marriage and family therapy, or counseling. They are independently licensed. They are qualified to do therapy and diagnostic evaluations (when they have their diagnostic privilege credential for some license types). Therapists do not prescribe medication, but they are able to directly refer families who need that service to a Brightline psychiatrist or psychiatric nurse practitioner.
