• Contact Us | Appointments

    info@longislandbehavioralhealth.com
    (631) 551-5095

    215 Hallock Road, Suite 1A
    Stony Brook, New York 11790
  • David Morgan lcsw

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    • L I B H
      Long Island Behavioral Health

    • Hope For Frustrated Parents

    • Helping individuals manage their lives and attain their goals since 2000

    • We will help you bring joy back in your life and relationships

    We are now offering both in-office and telehealth sessions.  If you are interested in scheduling a new appointment please talk to our intake coordinator about which option is best for you.  To learn more, please call our office at (631) 551-5095 or click here: Appointment Request

    Welcome

    Long Island Behavioral Health (LIBH) is the premiere counseling group for children, adolescents, adults, couples, and families. We have designed a beautiful, comfortable, and relaxed setting where you will receive highly personalized care. All of our therapists are extensively trained and are licensed in the state of New York. Appointments are available days, evenings and weekends to fit your busy schedule. People come to LIBH for a variety of reasons and we are here to help. We have therapists that specialize in anxiety, depression, divorce, parenting, stress management, relationship management, LGBTQ+, conflict resolution, life change and much more. We help empower our clients to resolve their own conflicts and to explore and encourage them to be the best person they can be. Goal oriented interventions will be provided with concrete and realistic strategies that will help promote change. We will help you develop a unique blueprint you can reference in order to lead a life that is emotionally healthy and fulfilling. You will be gently encouraged to attain your goals and continuously refine yourself through goal-oriented therapy. Contact us today so we can help you live the life you want to live.
    • Online Counseling
    • Adult
    • Children and Teens
    • Anger Management

    Our Team

    • Smurf & Finely

      Smurf and Finely are cockapoo puppies that are currently training to become certified therapy dogs.  These sisters are really smart and they aim to please with their unconditional love!  Once they are ready for service they will be available to assist our therapists in making our office environment a really comfortable and positive experience.  We Read more

    • Marissa Morgan, LCSW

      Marissa Morgan is a licensed clinical social worker with over 10 years clinical experience.  She has worked with children, adolescents and adults with significant mental illness and substance abuse disorders in acute, clinical and residential settings.  Marissa has extensive training in suicide prevention, crisis intervention, individual therapy, family therapy, couples therapy and group psychotherapy. Throughout Read more

    • Stephanie Thode, LMSW

      Stephanie is a NYS Licensed Social Worker who obtained her Master’s degree from Adelphi University. Stephanie’s clinical experience has enabled her to work with a wide array of clients. She has worked with clients within the child, adolescent, and adult populations, providing individual, small group, and family therapy. She has worked within a variety of Read more

    • Garret Zeidner-Rodriguez, LMSW

      Garret Zeidner-Rodriguez, LCSW

      Garret has been working in the field of mental health for several years. He received his MSW from Stony Brook University. He has experience working with a wide range of populations and mental health issues including; anxiety disorders, depression, OCD, addiction, self-esteem, and assisting the LGBTQ community in addressing the numerous social and psychological challenges Read more

    • David Morgan, LCSW-R, CAMF

      David Morgan, LCSW-R, CAMF is the director of Long Island Behavioral Health. He is a licensed clinical social worker with over 20 years of experience in private practice. He has worked in a major Hospital on the psychiatric in-patient unit and in the psychiatric emergency room. He has worked with children, adolescents, and adults with Read more

    • Lisa Beneventano, LCSW

      Lisa is a licensed clinical social worker who received her MSW from Columbia University’s School of Social Work. Lisa has over 10 years of experience working with families in a variety of settings. She has experience working with children, adolescents and adults struggling with depression, anxiety, stress, and trauma. Lisa specializes in working with adults Read more

    • Frank Guastella, LCSW

      Frank Guastella, LCSW, is a psychotherapist specializing in the treatment of autism, anxiety, depression, and post-traumatic stress disorder. Frank received his MSW at Adelphi University, during which time he interned at an outpatient clinic and residential treatment setting treating individuals with co-occurring mental health and substance use disorders. Concomitantly, Frank worked as a direct support Read more

    • John Lynch, LMSW

      John Lynch is a New York State Licensed Social Worker who received his Degree from Stony Brook University.  John has worked with children, adolescents, and adults who have suffered a wide variety of mental health issues in both residential and school settings. John’s lighthearted but structured approach makes it easy to connect with him and Read more

    • Monique Moreta, LMSW

      Monique is a New York State Licensed Social Worker who first obtained her undergraduate degree from Adelphi University and later earned her Master’s degree from Stony Brook University. Throughout her career, she has gained experience working with various populations such as children, adolescents, and families. In particular, Monique has experience in working with individuals struggling Read more

    • Samantha Janosick, LCSW, CAMP

      Samantha Janosick, LCSW, CAMP is a licensed clinical social worker with experience in private practice, medical, school and college settings. She is a Certified Anger Management Provider and a Certified NYS School Social Worker.  Her direct experience includes school social work, substance abuse treatment, anger management coaching, and private practice. She specializes in working with children Read more

    • Amanda Czajkowski, Intake Coordinator/Biller

      Amanda is currently a student attending Stony Brook University’s MSW program and is aspiring to be a Social Worker. Amanda has worked as a Case Manager where her responsibilities included assisting individuals in achieving their goals and linking them to providers and community resources appropriate to their needs. Amanda’s position as Intake Coordinator has similar Read more

    Find Our Office

    215 Hallock Road Suite 1A | Stony Brook, New York 11790
    info@longislandbehavioralhealth.com

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