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Treating children, adolescents, and families

Our Team

Our professionals provide specialized services that are uniquely tailored to the needs of your family. We develop an effective plan and provide the appropriate services to improve the overall functioning of the child and family. 

The Axis Protocol™ emphasizes on generalizability of skills learned in treatment as the hallmark of change.Our belief is that while research has shown certain therapeutic techniques to be extremely effective in treating anxiety, we also take into account that everyone comes with their own individual characteristics and strengths. Our main goal is to generalize skills learned in therapy to one’s daily life, and to be responsive and flexible in our care. Our team of clinicians are extremely collaborative both within our practice and with our clients. 

Jeffrey Kassinove, PhD

Co-Founder / Clinical Director

Dr. Kassinove is an expert in the treatment of child, adolescent and young adult problems. He specializes in the use of cognitive behavioral treatments (CBT) and behavior modification to improve functioning and help families achieve positive goals. He is actively involved in research and the dissemination of psychological knowledge to students. During the early part of his career, he was a full-time faculty member, where he taught and conducted research. At present, he serves on the faculty at the Mount Sinai School of Medicine where he teaches cognitive behavioral therapy to psychiatry residents. Dr. Kassinove holds a license in the State of New York as a psychologist, marriage and family therapist, and mental health counselor. In addition, he is certified as a school psychologist in New York State. He spends the majority of his time collaborating with parents, families and other professionals to improve the lives of his patients. He is well-known for handling challenging cases and creating positive changes in the individual’s life.

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Evan Flamenbaum, DSW

Co-Founder

Dr. Flamenbaum is an advocate for children and adolescents who experience mental health and academic issues. As a former Dean of Students at a prestigious private school, he used his clinical knowledge to help students stay in school during periods of difficult psychological adjustment. He has a keen understanding of academic pressures that are placed on students and their families. As a licensed social worker, Dr. Flamenbaum trained with some of the leading experts on attention deficit hyperactivity disorder. He now teaches other professionals about his approach to treating such problems. He uses cognitive behavior therapy and metacognitive strategies to help children and teens deal with executive functioning problems, learning disabilities, depression, anxiety and other psychological problems. As a partner at Therapy West, Dr. Flamenbaum works together with Dr. Kassinove to create a comprehensive program of care.

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Carly Bosacker, PsyD

Staff Psychologist

Dr. Bosacker provides therapy to children, adolescents, and young adults using evidence-based, cognitive behavioral therapies. She received extensive training in treating those who suffer from anxiety, depression, obsessive-compulsive disorder, conduct problems, post-traumatic stress disorder (PTSD), and complex trauma. Dr. Bosacker uses a genuine, collaborative approach to establish trust and build a foundation of strength and hope. She is committed to providing children, adolescents, and families with the knowledge and tools they need for growth and recovery. 

At the University of Minnesota, she obtained her Bachelor’s Degree and obtained her Master’s from The New School for Social Research. Dr. Bosacker received her Psy.D. from the Philadelphia College of Osteopathic Medicine. Her pre-doctoral fieldwork was at Newark Beth Israel Medical Center and at the Anxiety and Mood Disorders center at the Child Mind Institute. Finally, her internship was at MercyFirst, a residential treatment center for adolescents where she provided evidence-based treatment and conducted evaluations. Dr. Bosacker has worked with youth and families in a variety of settings including schools, medical hospitals, outpatient clinics, and residential treatment facilities.

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Sloan Strike, PhD

Director of Externship Program

Dr. Strike is a clinical psychologist who specializes in evidenced-based therapies with children, adolescents, and young adults. She obtained her B.A. from Harvard University and received her Ph.D. in Clinical Psychology from St. John's University. Dr. Strike has worked in a range of settings to provide supportive treatment for children and adolescents and their families. She has extensive experience with individual and family therapy in outpatient facilities and has also provided treatment for adolescents in the acute inpatient hospital setting. Dr. Strike specializes in cognitive-behavioral strategies and has received training in the treatment of a wide range of social, emotional, and behavioral issues. In addition, she is trained in Trauma-Focused Cognitive Behavioral Therapy. Her research interests include strategies to promote growth and recovery following exposure to trauma in adolescence and young adulthood.

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Haley Kastner, LCSW

Coordinator of Therapeutic Services

Haley Kastner is a licensed clinician with a passion for working with children and adolescents. She obtained her Bachelor’s degree from Villanova University and received her Master’s from New York University. Throughout her career, Haley has had the opportunity to work in both school and medical settings, enabling her to serve on many interdisciplinary teams and form a comprehensive understanding of various therapeutic approaches. At NYU, she was nominated to participate in an Integrated Youth Behavioral Health Program. This program provided extensive training in biopsychosocial assessment, prevention-focused care, and crisis intervention. Haley is certified in Trauma-Focused CBT with Children and is dedicated to creating individualized behavior plans with her clients in order to best address their goals and needs. ​

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Rachel Tennant, PhD

Fellow

Dr. Tennant is a psychologist who is passionate about working children, adolescents, and young adults. She specializes in cognitive-behavioral therapy and other evidence-based treatments that target a wide range of social, emotional, and behavioral issues.

Dr. Tennant obtained her PhD from Northeastern University. She has received extensive training across a multitude of settings, including outpatient clinics, school systems, day treatment programs, and inpatient settings.

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David Friedlander, PsyD

Fellow

 

David Friedlander received his Doctorate of Clinical Psychology (Psy.D) from the University of Hartford in September, 2019. He completed his pre-doctoral internship at The Guidance Center in Leavenworth, Kansas. He worked primarily as an individual and group therapist with emphases on cognitive behavioral therapy and mindfulness-based interventions.

David has provided community outreach for schools, prisons, and other community support organizations. His research and publications have centered primarily on cultural competency topics including the mental health needs of ethnic minorities. In his free time, David enjoys playing video and board games, learning the guitar and bass, and writing music. He is thrilled to be back in the city where he grew up, and excited to complete his postdoctoral fellowship at Therapy West and Academics West.

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Our Services

Individual CBT

We provide advanced cognitive behavioral therapy and other services to children, adolescents and adults. 

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Intensive Programs

Our intensive outpatient treatment program integrates research and clinical practice to drive intervention.

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In-Vivo Interventions

 Our program meet the needs of clients who require a more hands-on approach to help them outside of the “four walls” of therapy.

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Group Therapy

 We offer groups for different ages as well as for different needs (e.g., Kids with Anxiety, Preteen Girls). 

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Behavior Assessments

We conduct brief assessments (e.g., classroom and home observations, self-report measures) to assess thoughts and behaviors.

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Wrap-A-Round Support

A therapeutic plan to help your child/teen succeed at home while treating psychological and educational problems.

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Treating children, adolescents, and families

Therapy West

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  • (212) 580-0080
  • 37 West 65th Street 5th Floor New York, NY 10023