Treating Mind and Spirit as One

OUR PSI THERAPISTS

During this difficult and unprecedented time, our therapists remain available to current and new clients through teletherapy (phone and video calls).

To learn more, or to find a therapist, contact us here.

Our multidisciplinary PSI staff includes a wide array of helping professionals, including mental health counselors, clinical social workers, psychoanalysts, and pastoral psychotherapists; it is uniquely qualified to address both emotional and spiritual health. We are an inclusive organization that serves and affirms people of all faiths, economic levels, ethnic backgrounds and sexual orientations.

Sarah McCaslin, MDiv, LCSW, and PSI Executive Director



Sarah is a licensed clinical social worker and ordained Presbyterian minister. She provides counseling to individuals, couples and families, in addition to providing consultation services and leadership workshops to communities of faith and other organizations.


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Peggy Ann Barnett, PhD, LMHC

Peggy Ann received her Ph.D. in educational psychology and M.S.Ed. in counseling from Fordham University. Dr. Barnett is a New York State licensed mental health counselor (LMHC) with broad training and experience as a psychotherapist. She brings both insight and skill to her work with adults and adolescents, especially those with adjustment issues. She has been recognized for her work helping young adults transition from military personnel to college. She is a volunteer therapist for Give an Hour, an organization that provides pro bono therapy for those who serve, veterans, and their families.

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Wayne R. Cato, LCSW

Wayne is a psychotherapist on staff at the Trinity Counseling Center of the Psychotherapy and Spirituality Institute. Wayne earned his Masters of Social Work from The School of Social Work at Hunter College of The City University of New York and also holds a Masters in Business Administration from Washington University in St. Louis, MO. Prior to joining PSI, Wayne worked at the Postgraduate Center for Mental Health for four years. His therapeutic commitment is to help all of his clients grow steadily toward greater wellness.

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Ann Durant, LCSW


Ann works with individuals, couples and groups. In 1996, she founded Counseling For The Creative Arts and specializes in working with performing, visual and literary artists. She has an extensive background in the arts which she integrates into her practice.

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Jessica E. Heller, MPS, ATR-BC, LCAT

Jessica is a licensed therapist specializing in creative arts therapy. In her clinical practice, she aims to provide integrated psychological, behavioral, emotional, and spiritual support services that are unique and geared towards the clients’ expressive interests and strengths. Creative arts therapy integrates the traditions of psychotherapy with creative expression via visual art, writing, and movement, to name a few. Jessica utilizes a diverse set of “tools” including art therapy, writing, breath work, mindfulness, and traditional talk therapies.

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Gary Hellman, Psy.D.


Gary Hellman is a New York State licensed mental health practitioner, a licensed psychoanalyst and a certified group psychotherapist of the American Group Psychotherapy Association. He is a Fellow of the American Association of Pastoral Counselors and has been practicing psychotherapy since 1975.

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H. Kimball Jones, MDiv, PhD, LMHC


Kimball is the Upper West Side Site Coordinator for PSI. His office is currently at the Rutgers Presbyterian Church at 73rd Street and Broadway. During the past 42 years (since the inception of PSI in 1975) he has practiced full-time pastoral psychotherapy at the Westside Offices of PSI, and has actively supervised other therapists.

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Kathleen Kelley, MDiv., LMFT


Kathleen is a psychotherapist in the faculty practice of PSI providing individual, couple and family therapy. Kathleen holds a Master of Divinity from The Catholic University of America, and is a candidate for a Doctor of Ministry degree specializing in family systems. In addition to her academic degrees, Kathleen has extensive training in marriage and family therapy as well as psychoanalysis from the Blanton Peale Institute in New York City, et al.

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Mary Ragan, PhD, LCSW






Mary is a clinician at the Psychotherapy & Spirituality Institute and has her clinical practice in lower Manhattan at PSI’s Trinity Church Wall Street site. She works with individuals, couples and groups.

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Mary Rogers Nummelin, LMSW


Mary is a licensed master social worker providing counseling to individuals, couples and families facing a variety of life challenges, including anxiety, stress and depression, grief and loss, employment changes, relationship and elder-care issues, life and career transitions, the healing of childhood trauma, and the search for identity and life purpose.

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Kim Schneiderman, LCSW


Every life is an unfolding story, a unique, dynamic, sacred story that is open to interpretation, especially one’s own. As an eclectic, holistic psychotherapist, seasoned writer, and “deep soul diver,” Kim helps people find their authentic voice so they can rewrite old self-defeating scripts, and create a life that both honors and expresses their deeper needs, values, and gifts in their personal and professional relationships.

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Kathleen Sharkey, LCSW



Kathleen has been providing treatment to adults seeking recovery from mental health and substance use disorders for more than fifteen years. She has experience in direct service, program leadership and clinical supervision. Prior to joining PSI, Kathleen served as a member of clinical staff at Hazelden Betty Ford in New York.

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Graduate Clinical Interns:

Anushua Arif


Anushua has a B.A. in Creative Writing from CCNY and is currently working towards an M.S. in Marriage and Family Therapy from Mercy College. As an immigrant and a secular Muslim, her interests lie in working with individuals in marginalized communities, hoping to help those struggling with cultural conflicts, racial and generational trauma, as well as identity crises. She is fluent in Bengali, Hindi and Urdu.

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PSI comprises a group of seasoned therapists who draw from a variety of effective modalities, including established ones such as cognitive behavioral therapy, psychodynamic approaches, and family systems theory, as well as newer treatments such as somatic experiencing, EMDR, Emotionally Focused Therapy, and mindfulness-based approaches.

All our therapists are able to incorporate the spiritual dimension for our clients who find that a significant part of their lives and each is licensed in the State of New York. Our therapy sessions are offered on a sliding scale. PSI also offers community outreach and psychoeducational programming and provides consultation services to interested groups.

All of our clinicians are licensed. Some accept in-network insurance coverage; all are eligible for out-of-network coverage, depending on your plan.

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Associate Members

Edmund Griffin, MD, PHD

Eddie is Assistant Professor of Clinical Psychiatry in the Division of Neurobiology and Behavior, Dept Psychiatry Columbia University, and an Attending Psychiatrist at NY Presbyterian Hospital. Dr. Griffin graduated from Columbia University with Honors in Biochemistry in 1996. He received his PhD in Neuroscience, and his MD from Harvard Medical School in 2004.

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Paul Kelly, MA, LMHC, CSAT

Paul is a licensed psychotherapist practicing in New York City.  He works from a strengths perspective and uses client-centered, positive psychology approaches along with evidence based treatments such Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, EMDR, Psychodynamic Therapy, and others.

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Interfaith Minister

Rev. Julia Kristeller, MEd

Rev. Kristeller is an ordained Interfaith Minister and Pastoral Care Specialist with a strong background in the Creative Art Therapies. She brings over 35 years experience facilitating creative programs in educational, corporate, spiritual, community, and healthcare settings.

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Board of Trustees

The Rev. John Kamas, Chair
Joseph Merlino, MD, Vice Chair & Secretary
David Sorblum, Treasurer

Psychiatric Consultants

Mark Cannon, MD
Mark Dollar, MD
Elizabeth Lazar, MD
Collette Pycha, CS, NP
Jane Simon, MD