Affiliated Therapists

The therapists at the Manhattan Center for Cognitive-Behavioral Therapy include psychologists, postdoctoral fellows, and clinical externs. Each of them has different areas of expertise and training backgrounds. 

Sanjana Reddy, Ed.M., M.A.

Mental Health Counseling Fellow

Sanjana sees individuals struggling with anxiety, depression, self-esteem issues, OCD, body-focused repetitive behaviors, relationship issues, and the effects of trauma. She uses exposure and response prevention, mindfulness-based treatment, cognitive-behavioral stress management, and other forms of CBT. With extensive experience from clinical settings in the US, India and Australia, she is committed to empowering individuals from historically marginalized and immigrant communities. She uses an empathic and genuine approach to help clients improve their coping strategies. Sanjana’s therapeutic approach is tailored to meet each individual where they are, using evidence-based therapy to help them reach their goals.

Sanjana holds a dual master’s degree from Columbia University’s counseling psychology program and a bachelor’s degree from Boston University. Prior to joining MCCBT, Ms. Reddy completed clinical training at a variety of different settings including private practices, schools, and community mental health centers, where she provided individual and group therapy. She conducts therapy in English or Telugu.

Austin Harrison, Ph.D.


Dr. Harrison specializes in cognitive-behavioral therapy (CBT) for adults with mood and anxiety disorders — namely, depression, generalized anxiety, panic disorder and agoraphobia, social anxiety, health anxiety, and obsessive-compulsive disorder. He also has a particular interest in working with individuals pursuing creative endeavors who struggle with procrastination, productivity blocks, fear, and self-doubt. Dr. Harrison has training in a broad range of evidence-based interventions, including behavioral activation, exposure and response prevention (ERP), Acceptance and Commitment Therapy (ACT), Dialectical Behavioral Therapy (DBT), CBT for insomnia, and mindfulness-based approaches.

Dr. Harrison received his B.A. from The College of New Jersey in Clinical Psychology and Philosophy, and his Ph.D. in Clinical Psychology from Fordham University, where he conducted research on misophonia and collaborative care interventions for PTSD. He completed his predoctoral internship at Northwestern University Feinberg School of Medicine in outpatient and intensive outpatient clinics focused on individual and group-based treatment of mood, anxiety, personality, and trauma-related disorders. Prior to graduate school, Dr. Harrison gained extensive research experience in labs at Columbia University and Duke University Medical Centers investigating psychiatric and neuroscience applications of brain stimulation technology (e.g. transcranial magnetic stimulation) and neuroimaging.

Anna Womack, Ph.D.


Dr. Womack specializes in the treatment of insomnia, anxiety disorders and related concerns (e.g., intrusive worry, generalized anxiety, social anxiety, health anxiety, OCD, panic attacks), and chronic pain. She also enjoys working with individuals as they navigate life transitions and is highly skilled in career counseling. She utilizes cognitive-behavioral and mindfulness-based approaches, emphasizing evidenced-based interventions such as mindfulness-based stress reduction (MBSR), and Acceptance and Commitment Therapy (ACT). Her approach to therapy is highly collaborative. Dr. Womack has extensive experience working with LGBT individuals, women, and early career professionals.

Dr. Womack completed her Ph.D. in the APA-accredited Counseling Psychology program at the University of Southern Mississippi. She completed postdoctoral training at the Gulf Coast Veterans Health Care System, where she received training in cognitive behavioral therapy for insomnia (CBT-I). She also works at Columbia University in the Office of Postdoctoral Affairs. There she provides guidance on career planning and professional development to postdoctoral researchers.

Nicole Wildstein, Psy.D.

Postdoctoral Fellow

Dr. Wildstein values using cognitive behavioral therapy (CBT), exposure response prevention therapy (ERP), and dialectical behavior therapy (DBT) to teach patients specific, life-long skills that can improve their ability to cope with challenging emotions and resist unhelpful behaviors. She has extensive experience treating panic attacks, agoraphobia, social anxiety, obsessive-compulsive disorder (OCD), generalized anxiety, depression, trauma, ADHD, body-focused repetitive behaviors (hair-pulling and skin-picking), disordered eating, and insomnia. She specializes in helping college students and young adults, and has broad experience with individuals across the lifespan. Her patients often note her authentic style, insight, and helpful sense of humor.

Dr. Wildstein received her Psy.D. and M.A. from Ferkauf Graduate School of Psychology (Yeshiva University) and her B.A. in Philosophy-Neuroscience-Psychology from Washington University in St. Louis. Her doctoral research focused on validating a measure of interpersonal problems to improve personality disorder assessment in older adults. She completed her predoctoral internship at Brooklyn College Personal Counseling Center, where she provided individual and group counseling to students of diverse sexual orientations, gender identities, nationalities, and cultural backgrounds. She has also previously taught advanced courses, such as Social Psychology, Experimental Psychology, and Cognitive and Personality Assessment, to both undergraduate and graduate students.

Amoha Bajaj-Mahajan, Ph.D. (“Dr. Bajaj”)


Dr. Bajaj is an expert in the area of stress and health in adults, especially as it relates to depression, anxiety, and adjustment to medical illness. She specializes in the treatment and management of insomnia, depression, anxiety, OCD, chronic pain, smoking cessation, women’s health and intimacy, and adjustment to medical illnesses. In addition to these areas, Dr. Bajaj has experience helping those who struggle with perfectionism, rumination or negative thinking, low self-esteem, and other emotional difficulties. Dr. Bajaj has training and experience with Interpersonal Therapy (IPT), Acceptance and Commitment Therapy (ACT), Motivational Interviewing (MI), and mindfulness-based interventions. Her clients have commented on her warm, genuine, and collaborative approach as she tailors treatment to each individual’s needs.

Dr. Bajaj received her B.A. from Rutgers University. She received her M.S. and Ph.D. from the University of Pittsburgh in Clinical and Biological Health Psychology. She completed her pre-doctoral residency in Behavioral Medicine at Yale University’s School of Medicine. She has published in high-impact, peer-reviewed medical journals in the areas of social relationships, stress management, and health outcomes. Her research has been recognized and supported by academic and medical institutions including Rutgers University, the University of Pittsburgh, and Yale University’s School of Medicine. Dr. Bajaj has taught undergraduate and graduate courses in the areas of biological psychology and stress and health.

Justin Arocho, Ph.D.

Assistant Director

Dr. Arocho specializes in the cognitive-behavioral treatment of anxiety disorders (including panic attacks/disorder, agoraphobia, generalized anxiety disorder/worry, phobias, and social anxiety disorder), obsessive-compulsive disorder (OCD), depression, insomnia, illness/health anxiety and body-focused repetitive behaviors (including trichotillomania and skin picking). He also has expertise working with individuals with a history of vasovagal syncope. His approach to therapy is encouraging and collaborative, and he employs evidence-based treatments including Exposure and Response Prevention (ERP), CBT for Insomnia (CBT-I), and Habit Reversal Training (HRT), among others. He is fluent in Spanish and is highly experienced in working with LGBTQ and ethnic minority individuals.

Dr. Arocho received his B.A. in Psychology and Anthropology from The College of William and Mary, and his Ph.D. in Clinical Psychology at Fordham University, where he conducted research on the role of moral disgust in OCD and PTSD. He completed his predoctoral internship at Rutgers University Behavioral Health Care, where he trained in outpatient, partial hospital, and HIV-clinic mental health services, as well as psychological assessment. He has also worked in inpatient hospital, university counseling, forensic, and community mental health settings.

Dr. Arocho serves as an adjunct faculty contributor to the Predoctoral Psychology Internship Program at Rutgers University Behavioral Health Care in Newark, New Jersey. In this capacity, he interviews prospective interns, leads training for interns on diversity issues, and serves as an expert evaluator for intern case competency exams.

Rachel Chang, Psy.D.


Dr. Chang specializes in treating adults experiencing depression, insomnia, anxiety problems including social anxiety, obsessive-compulsive disorder, intrusive thoughts, health anxiety, procrastination, and posttraumatic stress disorder (PTSD). She also treats trichotillomania, skin picking, emotion regulation difficulties, relationship problems, and eating disorders. Dr. Chang has extensive experience in providing evidence-based CBT treatments such as Interpersonal Therapy (IPT) and Prolonged Exposure (PE) for PTSD. She regularly integrates Dialectical Behavioral Therapy (DBT) and mindfulness-based interventions into her work. She has expertise working with individuals with relationship difficulties, low self-esteem, and people-pleasing tendencies. Her clients appreciate her warm and genuine manner and her emphasis on their individual goals, values, and needs.

Dr. Chang received her B.S. from Virginia Tech, her M.A. from Teachers College, Columbia University, and her Psy.D from La Salle University. She completed her pre-doctoral internship at Trinitas Regional Medical Center. She also received comprehensive training in providing DBT with adults, teens, and families. She has trained in community mental health and school settings. Dr. Chang is fluent in Mandarin and has a research interest in cultural influences on mental health-seeking attitudes amongst minority populations.

Michelle Pavony, Ph.D.


May 2024: Dr. Pavony is not currently accepting new patients.

Dr. Pavony specializes in cognitive-behavioral therapy for the treatment of depression, OCD and other anxiety disorders, and is certified in Cognitive Processing Therapy for PTSD. She utilizes Dialectical Behavior Therapy (DBT) skills to address eating disorders, social phobias, and interpersonal conflicts. She takes an individually-tailored and collaborative approach in her work with adolescents, adults, and couples, and has further clinical interests in life transitions and identity struggles.

Dr. Pavony completed her B.A., M.S., and Ph.D. at Binghamton University, where she conducted and published research on pain perception and borderline personality disorder. Her pre-doctoral internship included training in the VA Connecticut Healthcare System and The UConn Health Center’s School of Medicine. She then completed a two-year post-doctoral fellowship at New York-Presbyterian Hospital — Weill Cornell Medical Center, where she received training in Transference Focused Psychotherapy (TFP). TFP is an empirically-supported treatment for personality disorders. She also has experience in correctional health, having served as Clinical Supervisor and Associate Director of Mental Health in a specialty forensic program.

Jenny Choi, Ph.D.


May 2024: Dr. Choi is not currently accepting new patients.

Dr. Choi specializes in the treatment of anxiety disorders (including generalized anxiety disorder, social anxiety, phobias, and panic attacks), depression, obsessive-compulsive disorder (OCD), posttraumatic stress disorder (PTSD) and trauma-related issues, and body-focused repetitive behaviors (including trichotillomania and skin picking). She also has expertise working with individuals who struggle with self-esteem, fear of failure, perfectionism, and procrastination. She works with teens and adults using a warm, collaborative approach. She provides culturally sensitive treatment. Dr. Choi has extensive experience providing integrative evidence-based interventions, including Exposure and Response Prevention (ERP), Acceptance and Commitment Therapy (ACT), Cognitive Processing Therapy (CPT), Dialectical Behavior Therapy (DBT), Habit Reversal Training (HRT), CBT for Insomnia (CBT-I), Motivational Interviewing (MI), and mindfulness-based approaches.

Dr. Choi received her B.A. in Psychology from Pennsylvania State University, and her M.S.Ed. and Ph.D. in Counseling Psychology from Fordham University. Her research has focused on the experience of acceptance and identity development of Korean American LGB adults. She completed her predoctoral internship in an APA-accredited program at the Baruch College Counseling Center. She has also provided treatment to adults and adolescents in psychiatric inpatient, medical, outpatient, and community mental health settings. Dr. Choi is fluent in Korean.

Tali Filstein


Ms. Filstein is a doctoral student in Clinical Psychology at Montclair State University. She works with individuals struggling with anxiety, depression, OCD, and body-focused repetitive behaviors, and she is particularly interested in providing cognitive behavioral therapy to individuals with social anxiety and panic disorders. Prior to joining MCCBT, Ms. Filstein worked for two years at New York-Presbyterian (NYP)/Weill Cornell Center for Autism and the Developing Brain, where she provided both early intervention and parent training services, and administered diagnostic and psychological evaluations.

Ms. Filstein holds a B.A. in Neuroscience from Colgate University. Her current research at Montclair focuses on factors impeding successful communication between autistic and non-autistic individuals. Through this research, she hopes to decrease the stigma around neurodiversity and to advance knowledge on how communication and understanding can be strengthened.

Nathan Fishbein


Mr. Fishbein is a doctoral student in Clinical Psychology at Fordham University. He works with people who struggle with intense emotions and experience depression, anxiety, OCD, body-focused repetitive behaviors, and other problems. Prior to joining MCCBT, Nathan trained at the Fordham Community Mental Health Clinic (FCMHC), where we worked with children experiencing emotion dysregulation and anger issues. At the FCMHC he received training in cognitive behavioral therapy and motivational interviewing. Before graduate school, Mr. Fishbein worked as a Clinical Research Coordinator at Massachusetts General Hospital for three years, where he supported research in the inpatient psychiatric unit and in the neuro-intensive care unit.


Mr. Fishbein holds a B.A. in Politics, Philosophy, and Economics from the University of Pennsylvania. His current research at Fordham focuses on cognitive patterns associated with suicide and nonsuicidal self-injury.

Zoe Lee


Ms. Lee is a doctoral student in Clinical Psychology at Fordham University. She works with individuals suffering from anxiety, depression, substance use disorders, OCD, and related difficulties. Prior to MCCBT, Ms. Lee completed training at the Fordham Community Mental Health Clinic in which she provided individual therapy to adults in the Bronx. Before starting her doctoral training, Ms. Lee was a Research Coordinator at the University of Chicago Medical Center in the Clinical Addictions Research Laboratory, researching the biphasic effects of alcohol in populations with alcohol use and mood disorders and the effect of smoking cues on vaping and smoking urge. There, she also provided group smoking cessation treatment using motivational interviewing techniques. 

Ms. Lee holds a B.S. in Psychology with a concentration in Clinical and Community Psychology from the University of Illinois at Urbana-Champaign. Her current research at Fordham focuses on understanding risk factors for nicotine dependence as well as the use of mindfulness-based interventions for smoking cessation treatments.

Paul B. Greene, Ph.D.


Dr. Greene is an expert in the treatment of post-traumatic stress disorder (PTSD), OCD, depression, overeating, panic attacks, health anxiety, and the applications of mindfulness and meditation in the treatment of anxiety. He specializes in helping survivors of rape, assault, and accidents who develop posttraumatic anxiety. He has training in the use of exposure and response prevention, cognitive processing therapy (CPT), prolonged exposure therapy, and cognitive-behavioral therapy for insomnia. He is also certified in dialectical behavior therapy (DBT).

He received his doctorate in clinical psychology from Boston University and completed postdoctoral training at Memorial Sloan-Kettering Cancer Center and the Mount Sinai School of Medicine. Dr. Greene served as an assistant professor at the Mount Sinai School of Medicine for six years. At Mount Sinai, he conducted research and supervised medical residents. He served as principal investigator of an NIH-funded research project that trained over 300 social workers, psychologists, psychiatrists, and other clinicians in cognitive-behavioral therapy.

Dr. Greene has been invited to speak about his research in the United States, Europe, and Asia. He is a certified meditation instructor and a teacher of Mindfulness-Based Stress Reduction (MBSR). Dr. Greene has been quoted and his work described in popular media, including Cosmopolitan, Salon, WABC-TV, the New York Times Magazine, and Forbes. Follow him on Twitter at @anxietyocd.

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