Individual, Group, Couples & Family Therapy in NYC

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Katherine Casey, LCSW-R

  /  Katherine Casey, LCSW-R

Katherine Casey, LCSW-R

Clinical Director
Kat (she/they) is a dynamic and deeply engaged therapist who brings intuition, creativity, and clinical rigor to the therapeutic relationship. Initially trained as an actor, Kat draws on a lifetime of integrating body-based awareness with cognitive and emotional processes, grounding their work in both lived experience and years of clinical practice. They studied at NYU and earned their professional degree from The University of Texas at Austin. Kat has advanced training and certification in Systemic Constellation Therapy, Cognitive Processing Therapy (CPT), Dialectical Behavior Therapy (DBT), Cognitive Behavioral Therapy (CBT), Emotional Freedom Technique (EFT/tapping), Mindfulness-Based Stress Reduction (MBSR), and the Gottman Method for couples. A core area of specialization is differential diagnosis, particularly clarifying and disentangling overlapping presentations of Complex PTSD, OCD, ADHD, and high-functioning Autism Spectrum Disorder. This nuanced approach allows Kat to tailor treatment with precision, helping clients better understand themselves and access interventions that truly fit. With a background in addiction treatment and extensive experience supporting individuals and couples through trauma, grief, relationship distress, and life transitions, Kat is especially attuned to how these challenges intersect with identity and attachment. They are passionate about helping clients cultivate clarity, self-trust, and more sustainable ways of relating - to themselves, their loved ones, and their wider communities. Kat's lived experience with pregnancy and parenthood awakened a passion for perinatal mental health, leading them to pursue advanced training through PSI, PSC, the Seleni Institute, and the University of Michigan. A passionate mental health advocate, Kat is committed to providing thoughtful, comprehensive care - offering not only therapeutic support, but also meaningful resources and coordination - so clients feel confident in their capacities, supported within their partnerships, and connected to their communities. Their advocacy extends beyond the therapy room through published commentary and expert interviews in The New York Times, The Wall Street Journal, and Al Jazeera, where they have explored the intersection of mental health with parenting, housing, public policy, and the realities of raising families in New York City. Whether working one-on-one with clients or contributing to public conversations, Kat believes emotional wellbeing is shaped not only by our internal experiences, but also by the systems, relationships, and communities in which we live. That perspective informs every aspect of their work, helping clients make sense of their experiences with greater compassion, context, and agency.
education: Licensed in NY, NJ, FL, TX, OH, CT