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Ketamine Therapy New York

Step Into a Journey
of Healing & Wellness

When you enter Nushama, a transformative experience begins. In a beautiful and calming environment, we facilitate safe and effective psychedelic treatments for mental wellness in New York– supported by medically trained professionals with decades of experience.

Our Team & Advisors

Our team includes medical specialists in mood and eating disorders, alcohol use disorders, as well as leading researchers and practitioners in ketamine and other psychedelic therapies.

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Steven Radowitz, MD

Dr. Radowitz’s focus is preventive medicine, getting to the underlying source before it manifests as “dis-ease,” a misalignment of mind, body, and spirit, evolving his career as a board-certified internist to psychedelics for mental health.

Dr. Radowitz’s focus is preventive medicine, getting to... Read More

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Robert Glatter, MD

Dr. Robert Glatter, a board-certified emergency medicine physician, is an associate physician at Nushama Wellness. Dr. Glatter has an extensive background in the administration of ketamine over the past 20 years, having recently served as Chief Medical Officer and Medical Director at another ketamine practice. He also has a background in longevity medicine and is an expert in obesity management and nutrition.

Dr. Robert Glatter, a board-certified emergency... Read More

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Mark Braunstein, DO

Dr. Mark A Braunstein answers the call to healing, medicine, and innovation through his work as a psychiatrist. Mark is a practicing child, adolescent, and adult psychiatrist. His skill sets are an amalgam of psychodynamic theory, traditional psychopharmacology, wilderness, cannabis, and psychedelic psychiatry. He earned his medical degree in 1997, completed a residency in general psychiatry and a fellowship in child/adolescent psychiatry.

Dr. Mark A Braunstein answers the call to healing... Read More

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Integration & Therapy Team

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Eric Stoneberg

LMSW
Integrationist

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Kayla Ny

Integrationist

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Marion Jackson

Integrationist

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Lola Martinez

Integrationist

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Cat McCarthy

Integrationist

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Providers & Psychiatrists

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Steven Radowitz, MD

Chief Medical Officer

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Robert Glatter, MD

Emergency Medicine Physician

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Mark Braunstein, MD

Senior Psychiatrist

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Jesse Erckert

Nurse Practioner

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Alison Whelan

Nurse Practioner

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Primrose Del Rosario

Nurse Practioner

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Nursing Leadership & Registered Nurses

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Cynthia Soderberg

BSN-RN
Clinic and Nurse Director

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Ava Butera

BSN-RN, OCN
Registered Nurse

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Jessica Camacho

BSN-RN, CMSRN, HNB-BC
Registered Nurse

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Heather Geist

RN
Registered Nurse

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Karl Spoerri

BSN-RN, OCN-BC
Registered Nurse

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Brent Boen

RN

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Marco Alcantara

RN

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Stella Kras, BSN-RN

Registered Nurse | NYC

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Conditions We Treat with Ketamine Therapy in New York

Nushama provides a safe yet powerful psychedelic journey that is well-documented to treat:

Depression

Anxiety/Panic

Post-Traumatic Stress Disorder (PTSD)

Alcohol Use Disorder

Many other trauma-related conditions can also benefit:

Obsessive-Compulsive Disorder (OCD)

Eating Disorders

Suicidal Ideation

Postpartum Depression

Find out more about what we treat in New York and our team will help you find your best options.

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Nushama
“Nushama treatment has been an awakening for me to treat my PTSD. Their therapy opened my heart to what I knew I was feeling inside but never vocalized aloud. I felt released and free of all that was hindering me. I am able to let go of past regressions and start living a fuller life.”
JessicaNushama Member
“I wish there would be an awareness for all veterans leaving combat about what this is and how it helps. A lot of guys don’t realize they have a problem until years later—some lost their homes, families, and became alcoholics. I would recommend this to everybody who has been through trauma. It’s been amazing.”
KeithNushama Member
“After a month of ketamine treatments, I made more progress than in the past decade. It helped me remove some of my blocks and allowed me to start caring for myself again. I was able to process emotions and thoughts I have been repressing. Light is now shining into the abyss and I can finally start living again.”
MaeveNushama Member
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Why Nushama for Ketamine Therapy

Person resting calmly with hands on chest

Safety

Strong screening, thoughtful preparation, and medically monitored psychedelic therapy.

An Open Book with candles and tea in the background

Spiritually Informed

An experience designed with a holistic perspective to foster transcendence and inspiration, aiming to heal ailments of the mind, body, and spirit.

Doctor sitting with patient

Experience

We work with the most proficient practitioners in psychedelic medicine.

Several hands clasped together forming a circle of people

Access

Scholarships and programs for communities where mental health access has historically been limited.

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Science

Focus on scientifically tested modalities backed by clinical trials and results.

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ERIC STONEBERG

Eric Stoneberg, LMSW

Integrationist

A trauma-informed psychedelic therapist living and working in the unceded lands of Lenapehoking, Eric draws on over two decades of experience as a seasoned yoga and meditation teacher in New York City and globally.

Having immersed deeply in the esoteric Goddess traditions of South India as well as with Indigenous wisdom-keepers of the Americas, Eric gratefully acknowledges those who have used psychedelic medicines for growth and healing since time immemorial. A scriptwriter for a variety of meditation apps, he skillfully guides others on a transformative journey within themselves.

He is committed to a holistic exploration of each person’s distinctive healing wisdom, empowering them to excavate, confront and integrate the core of their humanity. He strives to co-collaborate with clients, helping them lead lives filled with contentment, fulfillment, and joy as they harness the power of inner healing and self-discovery.

Eric is a proud Papa and Uncle—and has never not lived with a cat or two!

Kayla Ny

Integrationist

Kayla Chantelle Ny is a psychedelic facilitator and integration specialist at Nushama. Her path into this work has been shaped by over a decade of immersion in the healing arts, sacred plant medicine traditions, and contemplative practice. With roots in meditation and spiritual inquiry from a young age, Kayla brings a steady, grounded presence to her work that reflects a lifelong dedication to inner transformation.

She holds training from Naropa University’s psilocybin facilitator program and has worked in clinical ketamine settings, supporting individuals through depression, anxiety, trauma, and significant life transitions.

Kayla’s approach is trauma-informed, intuitive, and grounded in the belief that each person holds the innate capacity to heal from within. She creates spaces—both one-on-one and in groups—that invite authenticity, emotional insight, and nervous system safety. Her facilitation is rooted in deep listening, compassion, and a commitment to honoring each person’s unique path. She is devoted to helping people remember their wholeness, cultivate inner trust, and experience transformation rooted in love, sovereignty, and self-awareness.

In addition to her work in psychedelic care, Kayla is a filmmaker, and musician. During the war in Ukraine, she co-created a project that brought music, joy, and emotional relief to refugees at the Poland–Ukraine border and within Ukraine itself. Alongside fellow musicians, she performed for displaced families and collaborated with a circus troupe to uplift children through play and connection. Kayla also served as one of the project’s cinematographer’s, documenting the journey in a film that captures the healing power of joy and creative expression amid crisis.

Cat McCarthy

Integrationist

Having gone through her own health issues and healing process, Cat knows first-hand how much we hold past issues in our current tissues. Her experiences with psychedelic therapies have been transformative. Bearing witness to journey work at Nushama is a profound honor. She sits alongside as an attuned ally on this path of self-discovery.

An international yoga educator/trainer for over three decades, Cat respects a co-creative relational space in which to safely explore the heart-mind-body terrain. She is a certified Compassionate Inquiry® Practitioner with her mentor Dr. Gabor Maté, whose guidance has enriched her life, along with her studies of Embodied Anatomy, Polyvagal Theory (PVT), Internal Family Systems (IFS), and Somatic Experiencing (SE). She is in private practice as a Trauma-informed Somatic Coach as well as a Nonviolent Communication (NVC) facilitator leading empathy trainings.

Originally from New Orleans, she is a podcaster and an Emmy-nominated Direct/Producer for Film/TV. Traveling for both work and play, Cat sings in a Britpop choir and enjoys learning how to put wisdom into action, as an agent for change. 

Dr. Steven Radowitz, MD

Steven Radowitz, MD

Chief Medical Officer

Dr. Radowitz has a wealth of experience seeing the effects trauma can have on our physical health firsthand. He joined Nushama to oversee and develop treatment modalities, believing psychedelics are the future of mental wellness as current solutions treat symptoms, not underlying issues.

Dr. Radowitz also runs the primary care program at Goldman Sachs and has practiced internal medicine and primary care since 1998. Originally from Montreal, he completed his M.D. at Chicago Medical School. He worked at St. Vincent’s in general medicine and HIV/AIDS units and was Medical Director of the inpatient alcohol and opiate detox and treatment unit.

Dr. Radowitz’s focus is preventive medicine, getting to the underlying source before it manifests as “dis-ease,” a misalignment of mind, body, and spirit. He believes psychedelics are a powerful tool to discover the origin of imbalance. On a spiritual journey with Kabbalah, he also studies meditation and yoga. At Nushama, he leads one of the most experienced teams in psychedelic medicine.

Robert Glatter, MD

Dr. Robert Glatter, a board-certified emergency medicine physician, is an associate physician at Nushama Wellness. Dr. Glatter has an extensive background in the administration of ketamine over the past 20 years, having recently served as Chief Medical Officer and Medical Director at another ketamine practice. He also has a background in longevity medicine and is an expert in obesity management and nutrition.

After practicing Emergency Medicine for over 20 years, Dr. Glatter turned his focus to ketamine’s invaluable use for treatment of PTSD, Depression, and other mood disorders by guiding patients on journeys that are healing and enlightening. Partnering with patients, their psychiatrists and therapists, he and his team at Nushama Wellness design personalized journeys with licensed integration therapists to address individual symptoms. He also works with patients to identify specific intervals for booster infusions to optimize the effects of ketamine after completion of their foundational series of six infusions.

Mark Braunstein, DO

Dr. Mark A Braunstein answers the call to healing, medicine, and innovation through his work as a psychiatrist. Mark is a practicing child, adolescent, and adult psychiatrist. His skill sets are an amalgam of psychodynamic theory, traditional psychopharmacology, wilderness, cannabis, and psychedelic psychiatry. He earned his medical degree in 1997, completed a residency in general psychiatry and a fellowship in child/adolescent psychiatry. After years of on-the-ground psychiatry work, Mark began to see the deficits present in contemporary models of treatment. The psychopharmacologic focus left patients fundamentally unchanged, dependent, and struggling with side effects. In 2002, with this knowledge in tow, Mark relocated to Colorado, intent on expanding his practice to include cannabis & wilderness therapy. Through his concurrent work in both fields, Mark has pioneered the practice of wilderness psychiatry & has kept an eclectic private practice for more than 20 years. He has been involved with psychedelics for more than 30 years and is now seen as a visionary in the space working on safely increasing access and efficacy. He studied ketamine assisted psychotherapy under his mentor Dr. Phil Wolfson and is now blessed to be able to teach alongside him.

Jesse Erckert

Nurse Practioner

Jesse Erckert, MSN, PMHNP-BC is a board-certified Psychiatric Mental Health Nurse Practitioner with extensive experience across inpatient psychiatric units, state prison psychiatric services, and crisis intervention settings. His clinical background spans high-acuity environments, where he has provided care to individuals facing complex psychiatric challenges—often at their most vulnerable.

Jesse approaches mental health care through a holistic lens, blending psychopharmacology with mindfulness, cultural awareness, and patient-centered communication. In addition to his clinical practice, he serves as a nursing educator, teaching in both psychiatric clinical settings and classroom environments. He is passionate about mentoring the next generation of nurses with an emphasis on empathy, ethics, and evidence-based care.

A dedicated traveler, Jesse has visited 53 countries—a journey that has deeply shaped his cultural competency and sensitivity to diverse perspectives. He has taken cooking classes in 10 of those countries, further enriching his appreciation for ritual, creativity, and the healing power of sensory experience. At Nushama, Jesse brings his clinical expertise and humanistic approach to support patients on their path to mental wellness.

Cynthia Panza, RN

Cynthia Soderberg, BSN-RN

Clinic and Nurse Director

​​Cynthia Soderberg is the Clinic Director at Nushama, where she oversees daily operations across all three locations in New York City, Rockland, and Miami. A Registered Nurse with a Bachelor of Science in Nursing and a Bachelor of Arts in Public Programs, Cynthia leads both the clinical and administrative teams, ensuring the highest standards of care, safety, and compliance.

Since joining Nushama in 2021, Cynthia has been instrumental in implementing evidence-based practices and fostering a compassionate, supportive environment that helps members feel at ease throughout their healing journeys.Her background includes experience in ketamine therapy for pain management as well as reconstructive and cosmetic surgery. Outside of her professional work, Cynthia enjoys playing beach volleyball and traveling throughout Europe.

AVA BUTERA

Ava Butera, BSN-RN, OCN

Registered Nurse

As a Registered Nurse at Nushama, Ava Butera is committed to providing exceptional care while assisting members on their journey to self-discovery and well-being. She is a compassionate, holistic certified nurse with over seven years of experience, primarily in the hematology/oncology and palliative care fields.

Ava is dedicated to nurturing Nushama’s collaborative, innovative and healing culture. She is continually seeking ways to expand her knowledge and understanding of the complexities in the mental health field. She’s rewarded by witnessing our members’ transformations and being able to support them throughout their journeys.

Ava is currently pursuing her graduate degree in psychiatric mental health. In her spare time, Ava loves spending time in nature, playing music, and being in the company of her loved ones, including her dog.

Jessica Camacho, RN-BSN, CMSRN, HNB-BC

Jessica Camacho, BSN-RN,
CMSRN, HNB-BC

Registered Nurse

Jessica Camacho is a registered nurse at Nushama. She has been a nurse for almost ten years serving patients in the New York City area undergoing medical/surgical procedures and ones with hematology/oncology disorders. Prior, she was a Teacher’s Assistant at Pacific College for the course “Psychoneuroimmunology,” the study of relationships between the immune system and brain and how it affects illness, stress, mood, and thought.

As a Holistic Nurse Baccalaureate-Board Certified, Jessica’s role at Nushama is to promote resilience by utilizing psychedelics as a catalyst for transformation. Her passion is co-creating paths to wellbeing in the context of mind, body, spirit, and environment. She loves creative expression, especially in music, art, dance, writing, and nature.

HEATHER GEIST

Heather Geist, RN

Registered Nurse

After working on post-operative units and in surgical intensive care for many years, Heather reached out to Nushama for a registered nurse position, searching for a new adventure and an opportunity to learn more about modern mental wellness approaches.

Heather feels she is her best self when she is advocating for and anticipating the needs of people under her care, especially those who cannot do so themselves. She feels grateful to take the time to get to know Nushama members, and make them feel at home with a calming presence and sense of humor.

Originally from New Hampshire, Heather enjoys skiing, running, and outdoor activities. She also enjoys a lazy Sunday with a good cup of coffee and lounging on her couch with her cat, Ziti.

KARL SPOERRI

Karl Spoerri, BSN-RN, OCN-BC

Registered Nurse

Karl is very grateful to be working in psychedelic therapy at Nushama as a ketamine infusion nurse. After 10 years in cancer care, he saw how cancer-related anxiety and existential distress can impair quality of life and persist despite traditional treatments. After learning about the striking results of clinical trials involving psilocybin for end-of-life anxiety, he has avidly followed the promising developments in psychedelic research in treating various mental health problems.

Karl is currently working towards his psychiatric nurse practitioner degree and, in his spare time, likes physical activity of all kinds and spending quality time with family and friends.

Brent Boen

Brent is a third-generation Registered Nurse, born and raised in rural North Texas, with a deep-rooted passion for healing and helping others. He holds a Bachelor of Science in Nursing and is a Certified Emergency Nurse (CEN).

With over five years of experience in emergency medicine, Brent has cared for patients in some of the most critical and high-pressure situations, including trauma and intensive care. He now brings his expertise to Nushama, where he focuses on holistic, evidence-based care for individuals undergoing ketamine-assisted therapy.

Having worked with ketamine in both medical and therapeutic contexts, Brent is committed to supporting each patient’s mental health journey with compassion, safety, and personalized attention. His approach blends clinical excellence with a deep understanding of the transformative potential of psychedelic therapies for depression, anxiety, PTSD, and other treatment-resistant conditions.