Comprehensive DBT Therapy
At Our Long Island office
in Mt. Sinai.
Suffolk DBT offers structured, comprehensive in-person Dialectical Behavior Therapy (DBT) at our Mt. Sinai, NY office, Conveniently located on the North Shore of Long Island and serving the east end. We work with individuals and families from Mt. Sinai, Miller Place, Port Jefferson, Stony Brook, Smithtown, and surrounding North Shore communities.
Our team provides DBT therapy in Long Island for children, adolescents, adults, and families who are struggling with intense emotions, anxiety, depression, impulsive behaviors, and relationship challenges.
We also offer DBT groups for those with Borderline personality disorder , Trauma, and others struggles that group therapy supports.
When emotions feel Overwhelming, everyday life can start to feel harder than it should.
At our Mt. Sinai DBT office, many clients come to us when emotions feel overwhelming and difficult to manage in daily life.
When emotions run high, it doesn’t just affect one person, it impacts your relationships, your family, and your day-to-day functioning.
Even with your best efforts, when relief doesn’t come, it can feel exhausting and disheartening. At Suffolk DBT, you’re not left to figure it out alone, we work alongside you using evidence-based, science-backed therapy to help you build skills and create meaningful change.
DBT Programs for Children, Teens, Adults, and Families at our Mt. Sinai location
How DBT Therapy Works At our Mt. Sinai Office
Weekly individual DBT sessions focused on reducing problem behaviors and building skills
Structured DBT skills groups where clients learn and practice skills. Family involvement is included when appropriate.
Using The DBT Diary Card
The DBT diary card is a core tool used throughout treatment. Clients track emotions, urges, behaviors, and skills each day, helping both the client and therapist notice patterns over time.
Diary cards guide sessions, support risk monitoring, and help turn insight into real-world change.
Looking for DBT Therapy for Your Child or Teen on the East End of Long Island
Families from Mt. Sinai and surrounding North Shore communities visit our beautiful Mount Sinai DBT office for help for their children and teens. We offer both in-person therapy and Telehealth options to support families across Suffolk County including the eastern end of Suffolk County.
Our North Shore
Long Island DBT office
in Mt. Sinai, NY
Suffolk DBT’s Mt. Sinai, NY office provides structured, in-person DBT therapy for individuals and families across the North Shore of Long Island.
Clients often travel to us from nearby communities including DBT therapy in Port Jefferson and DBT therapy in Stony Brook, as well as Miller Place, Rocky Point, Sound Beach, Shoreham-Wading River and surrounding Brookhaven areas. Our location offers convenient access to comprehensive, evidence-based care close to home.
our Exceptional
Suffolk County DBT Therapists
Our dedicated team provides DBT Therapy in Mt. Sinai and we are committed to helping children, teens, adults, and families build healthier, more balanced lives through Dialectical Behavior Therapy. For over 15 years, we’ve provided specialized DBT services across Long Island , Suffolk County, and continue working to expand access so more New Yorkers can receive the support they deserve.
Our Long Island therapists meet people exactly where they are whether they’re facing intense emotions, relationship struggles, or challenges within their family. We focus on creating a warm, in-person environment where clients feel understood, supported, and hopeful about meaningful change.
At Suffolk DBT, our Long Island therapists practice the skills they teach. The DBT tools we share with clients are the same ones we use to manage stress, stay grounded, and build strong relationships in our own lives. That means your care is guided not only by training and experience, but by genuine understanding and compassion.
If you’re located closer to the South Shore, explore our Babylon DBT Therapy location to learn more about our in-person DBT services in Babylon and surrounding communities.
Our Other Suffolk dBT Office Locations
Can’t make it to one of our four locations? Suffolk DBT also offers expert online Dialectical Behavior Therapy (DBT) to children & teens, adults, and families throughout the entire state of New York. Whether you’re navigating a busy schedule, live in a remote area, or simply prefer the comfort of therapy at home, our virtual sessions provide the same high-quality, evidence-based care.
Suffolk County
5505 Nesconset Hwy #222
Mount Sinai, NY 11766
5505 Nesconset Hwy #222 Mount Sinai, NY 11766
Suffolk County
400 W Main St #340
Babylon, NY 11702
400 W Main St #340 Babylon, NY 11702
Nassau County
97 Powerhouse Road #104
Roslyn Heights, NY 11577
97 Powerhouse Road #104 Roslyn Heights, NY 11577
We serve the following locations near Mount Sinai, NY
Directions to our Mount Sinai, NY location
5505 Nesconset Highway
Suite 222
Mount Sinai, NY 11766
Ready to Begin DBT Therapy in Mt. Sinai? Speak With an Intake Specialist
Suffolk DBT proudly provides comprehensive dialectical behavior therapy at our Mount Sinai office, located on the North Shore of Long Island. Our experienced North Shore DBT therapists work with teens, children, adults, and college students navigating depression, anxiety, borderline personality disorder, eating disorders, and self-harm. We also support individuals struggling with intense emotions, impulsive behaviors, and relationship challenges. Through structured DBT treatment and skills training, we help you build the tools to feel more in control and create a more stable, meaningful life.
Visit us at : 5505 Nesconset Highway Suite 222 Mount Sinai, NY 11766 or contact our Mount Sinai office today to get started.
Completely confidential. Only takes 10-15 minutes.

