Provider Directory

Dr. Tennenbaum received her PhD in psychology from Fordham University and completed her internship at Columbia University Medical Center, NY Presbyterian Hospital before entering private practice on the Upper West Side of Manhattan. She has been working with men and women in different areas of psychology for over 10 years. Dr. Tennenbaum has experience working in outpatient mental health clinics, an inpatient psychiatric unit, a psychiatric emergency room, and private practice. Her private practice work ranges from general psychotherapy to her specialties in reproductive health and personality disorders.
Dr. Tennenbaum’s therapeutic approach is integrative and solution focused. Through her psychodynamic as well as dialectical and cognitive behavioral training, she is able to provide clients with a range of treatments.
Dr. Tennenbaum provides individual long and short-term psychotherapy, couples therapy, group therapy, and skills training. She is dedicated to her clients and committed to building a therapeutic relationship that will allow individuals to feel empowered and find acceptance and growth.
During my clinical internship at New York Presbyterian Hospital, Columbia University Medical Center, she was trained in Dialectal Behavioral Therapy (DBT). She then focused her post- doctorate hours in a DBT private practice, joining a consultation team of DBT experts. She lead ‘DBT skills groups’ and had individual DBT supervision. She has seen numerous DBT clients in my private practice and helped many of them build a ‘life worth living’ through skills group and intense individual treatment. Clients who find DBT helpful often note how they never realized how powerful accepting reality is and that they are thankful to have appropriate skills to help them cope with their painful emotions and difficult relationships. She currently runs a DBT skills group and see clients individually for DBT informed treatment.
Dr. Tennenbaum specialties include: pregnancy loss, high-risk pregnancy, infertility, baby blues, post-partum depression, depression and anxiety. She also treat people with borderline personality disorder through Dialectical Behavioral Therapy (DBT).
Dr. Tennenbaum has presented at prominent conferences across the country and has been published in journals and books.

My name is Leyla Fonseca, and I’m a licensed therapist based in New York. I have over six years of experience working in special education schools across the city, during which I've gained valuable knowledge and insights. I specialize in working with children, adolescents, and young adults who are navigating challenges related to anxiety, depression, and autism spectrum disorder.

I am a licensed clinical social worker with my certification in perinatal mental health. I provide affirming and social justice-oriented supportive care to individual clients in New York.
I am an active therapist with a pragmatic, client-centered approach to my work. I often utilize techniques from Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), psychodynamic therapy, and Motivational Interviewing to help clients meet their goals and make positive changes. I like to cultivate a safe holding space for everyone I work with to express their feelings freely and without judgment.
My previous experience has been in working with LGBTQI- identified individuals as well as individuals living with HIV, Herpes, cancers, and other chronic illnesses.

Dr. Meredith Singer is a clinical psychologist in private practice in Brooklyn and SOHO, specializing in parent/infant work, women's mental health, anxiety and posttraumatic stress disorders, and cognitive behavioral therapy.

Dr. Raskin (PsyD, MA, PMH-C, IMH-E®) is a licensed clinical psychologist who earned her doctorate from New York University and completed her Postdoctoral Fellowship at the St. Luke's Hospital Parent-Infant Center where her work focused on supporting women throughout the perinatal period. As a certified Perinatal Mental Health Specialist and Infant Mental Health Specialist, Dr. Raskin has spent years supporting women, parents and families navigating the changes and transitions throughout the family building years. Dr. Raskin specializes in trauma treatment, integrating Internal Family Systems (IFS), EMDR, and psychedelic-assisted psychotherapy to support deep, lasting healing.

Dr. Yonina Slochowsky is a clinical psychologist in private practice. She focuses on helping women experiencing medical issues, life transitions, infertility, and pregnancy/postpartum.

Dr. Gupta specializes in therapy for eating/weight issues, anxiety/stress, and infertility/family building. She practices in NYC and Atlanta and founded Tribeca Psychology in 2012. She served on the full-time faculty at Barnard College, Columbia University, trained at Weill Cornell/NY Presbyterian and earned her doctorate at Columbia University.

Rachel Sullivan is a Licensed Clinical Social Worker specializing in psychotherapy for survivors of interpersonal abuse and violence. Rachel's experience as a trauma therapist includes 10 years of providing supportive services to individuals impacted by depression and/or anxiety. Her practice is based in trauma theory, psychodynamic psychotherapy, cognitive and dialectical behavioral therapy, and motivational interviewing models.

I am a licensed clinical social worker practicing in Greenpoint, Brooklyn. In addition to working with individuals and couples in my private practice, I also lead interpersonal process groups. I graduated with a Master’s in Social Work from NYU and a Doctorate in Social Work from Rutgers University (where I currently teach courses on behavioral addictions). I am a graduate of the Eastern Group Psychotherapy Society and run process groups for psychiatry residents at Mt. Sinai Hospital in NYC.

Jane Halperin, PhD, MS
Associate Director
Columbia University Center for Psychoanalytic Training & Research
Assistant Clinical Professor of Medical Psychology
Dept. of Psychiatry
College of Physicians & Surgeons
Columbia University

Practice of psychotherapy: adolescents and adults
Practice of psychoanalysis: adults
Couples treatment
Supervision: psychology externs, interns, fellows; clinicians in private practice

Areas of Interest/Additional Training:
Young Adult Development
Alcohol/Substance Misuse
Psychological Adjustment to Medical Illness
Prenatal Diagnosis, Pregnancy Loss
Couples Treatment; Parenting Skills

Dr. Kati N. Lake, PhD, MS, MA, MPhil (she/her) is a licensed clinical psychologist in New York State and the founder of the Trauma & Mood Treatment Center LLC, her telehealth practice. She specializes in the evidence-based treatment of trauma, depressive, anxiety, reproductive mood, and obsessive and compulsive disorders. Obtaining a Ph.D. from Columbia University, Dr. Lake was trained at Columbia University Medical Center/New York State Psychiatric Institute, NewYork Presbyterian/Weill Cornell Medicine, and the Department of Veterans Affairs.

Previously, Dr. Lake served as the Vice President of Consulting at RAINN. Before joining RAINN, she was a Lead Associate at Booz Allen Hamilton, where Dr. Lake led teams in the development, execution, and evaluation of personnel policy across the Department of Defense’s Suicide Prevention Office and Sexual Assault Prevention and Response Office. Dr. Lake also served as a Schedule C political appointee at the White House, providing support to the Under Secretary of Defense for Personnel and Readiness during Operation Enduring Freedom and Operation Iraqi Freedom.

Dr. Lake holds a master of arts, master of science, and master of philosophy in clinical psychology with a concentration in global mental health and trauma from Columbia University. She also obtained a bachelor degree in political science and British literature with a focus on political communications from Miami University (Oxford, Ohio).

Dr. Ania Siwek Schwartzman is a NYS Licensed Clinical and School Psychologist who has supported children, adolescents, and adults for over 20 years. Dr. Schwartzman works predominantly from an active psychodynamic relational approach and integrates evidence-based practices such as CBT and Mindfulness Based Stress Reduction.

Dr. Coiner is in private practice in Greenwich Village, providing individual therapy. She is trained in both Internal Family Systems therapy (IFS, level 2) and psychodynamic therapy. Areas of expertise include mood disorders, attachment disorders, parenting/relationship issues, and eating/body image.