Provider Directory

Meredith Korsen

Clinical Social Work/Therapist, LCSW-R

I am a NY state and NJ licensed clinical social worker who specializes in working with individuals with mood disorders, problematic substance use, chronic illness/pain, and living losses. Through empathic listening and supportive feedback, I utilize a strengths-based approach to create a safe environment that encourages the process of change. I work from a relational framework and work collaboratively with my clients to identify goals for treatment and a pathway to achieve them.

Beth A. Althofer

Psychoanalyst, Ph.D.

I am a nationally-certified psychotherapist and a licensed psychoanalyst, practicing on the Upper East Side for over 35 years with individuals, couples and groups.

Patricia Mendell

Clinical Social Work/Therapist, LCSW

My life work for over 25 years is helping individuals, couples, and families in life cycle transitions that are challenging such as: marital/relationship conflicts; infertility; miscarriage/pregnancy loss; decision making in family building options; and adjustments to parenthood/parenting. As an experienced clinical social worker with private practices in both Manhattan/Brooklyn. My treatment approach combines, interpersonal and cognitive-behavioral techniques, as well as based upon individual patient needs. She has a supportive and interactive communication style. Her practice is located in Greenwich Village near the Union Square area.

I approach Patricia Mendell is an experienced clinical social worker with private practices in Manhattan/Brooklyn.

Andrea DePetris

Psychologist, Ph.D.

Clinical psychologist specializing in multiculturalism, biracial identity, trauma treatment, and health behavior change. Trained in psychodynamic psychotherapy, attachment theory, IFS, DBT, CPT for PTSD, and CBT for insomnia. My goal is to help clients gain clarity, express themselves with greater authenticity, and claim a more full experience of life.

Melissa Nesle

Clinical Social Work/Therapist, LCSW

Melissa Nesle, LCSW, is a licensed psychotherapist with a private practice in downtown Manhattan since 2004 with over 20 years of experience practicing extensively with young adults, couples and families in the area of mental health and substance misuse.

Genny Finkel

Clinical Social Work/Therapist, LCSW

I work relationally and focus on your relationship with yourself and those around you. Additionally, I’ll help you explore relational trauma, relationship anxiety, fallout from infidelity, or relationship beliefs that are holding you back. We'll work together to develop strategies and tools for real change.

Kati N. Lake

Psychologist, PhD, MS, MA, MPhil

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).

Jaci Lopez Witmer

Psychologist, Psy.D.

I work with adults and young adults ages 18+ individually in my private practice. I practice from a trauma-informed, integrative perspective and draw primarily on relational, interpersonal, mindfulness, and CBT theories. My therapeutic style is open, collaborative, and nonjudgmental.

I have significant experience working with individuals across a variety of treatment settings. I have specific expertise with university students, financial professionals, health care providers, and entrepreneurs.

My office is located near Union Square. I am licensed in New York, Washington DC, and Florida, and I am registered to provide Telehealth Services to individuals residing in Vermont.

Lauren Appio

Psychologist, Ph.D.

I provide psychotherapy and career coaching to address codependency (ACOA concerns), relationship difficulties, caregiver/helping professional stress and burnout, and career change or advancement.

Katya Kaye

Clinical Social Work/Therapist, LCSW

I am a NY State licensed psychotherapist with an MSW from NYU. I specialize in supporting adults through relationship challenges, narcissistic abuse, life transitions, anxiety, and depression. I also have extensive experience working with people who have autism or an intellectual disability, as well as providing support to their family members.

Lisa D Ellis

Clinical Social Work/Therapist, MS, RDN, CDN, LCSW, CEDS-C

Lisa Ellis is a Registered Dietitian, Certified Eating Disorder Specialist-Supervisor and Licensed Clinical Social Worker with private practices in Manhattan and White Plains, NY. Her areas of expertise include eating disorders and emotion-triggered eating in children, adolescents, adults and families.

Rebecca W Heller

Mental Health Counselor, LMHC-D, LPC, NCC, PMH-C

I am a Licensed Mental Health Counselor (LMHC-D) in NY, NJ, MA, VT, and FL. I am also a Certified Perinatal Mental Health Professional (PMH-C). I have extensive experience working with clients ages 18 and up for Individual Therapy as well as Group Therapy. I have experience working with Individuals experiencing a variety of struggles. These struggles include- postpartum, trauma, grief, addiction, depression, anxiety, shame, loneliness, self-esteem, and managing anger, among others.

In sessions, I implement an Integrative Approach including- Cognitive Behavioral Therapy (CBT), Acceptance Commitment Therapy (ACT), Compassion-Focused Therapy, Dialectical Behavioral Therapy (DBT), Harm Reduction, and most importantly, humor. After all, Humor is healing.

Driola Dega

Marriage & Family Therapist, LMFT- D

I primarily use psychodynamic, systemic, experiential and culturally sensitive approaches to accompany the client throughout the journey of self discovery. With emphasis on awareness and insight, I encourage individuals and couples to seek solutions that resonate with their individual and relational needs. The struggle to overcome adverse experiences, can be a product of sociocultural system, family context, early attachment and relationships which reflect a stigmatized idea of self.

Kelli Morin

Clinical Social Work/Therapist

I am a clinical social worker licensed in New York and New Jersey, specializing in LGBTQ+ concerns, identity exploration, anxiety, life transitions, women’s issues, chronic illness, grief, and insomnia. My relational approach emphasizes empathy, collaboration and meaningful growth through a strong therapeutic alliance.