Locations
Williamsburg, NY
Radial Williamsburg will deliver the world’s most advanced, evidence-based brain medicine right in the neighborhood, joining our established Midtown Manhattan location. Nestled among Williamsburg’s vibrant coffee shops, indie galleries, and walkable streets, Radial Williamsburg will offer breakthrough mental health treatments that make us leaders in the field.
Location
Located on Broadway in Williamsburg, Radial Brooklyn is easy to reach from across Brooklyn and Manhattan, just a short trip from the Williamsburg and Greenpoint neighborhoods.
Radial Williamsburg
134 Broadway 3rd floor
Brooklyn, NY 11249
Getting to your appointment: Please use the entrance doors to easily find our offices.
- Phone(929) 346-4317
Call or text - Fax(929) 360-0745
- Email
- HoursMonday - Friday
9AM - 7PM Eastern - Follow us
Treatments
Radial Williamsburg uses evidence-based treatments provided by experienced clinicians, designed to support people who haven’t found relief with traditional approaches.
TMS
Magnetic pulses to target brain regions tied to mood — relieving depression, anxiety, and OCD without medication side effects. We offer traditional and advanced TMS approaches, including BrainsWay and AMPA.
Insurance
We accept most major insurance plans for FDA-approved treatments like TMS. Learn more about insurance.
Typically covered by insurance
- Traditional TMS · Fully covered by most insurances
Leadership
A mission-driven team combining healthcare, technology, advocacy, and operations expertise.
Dr. Owen Scott Muir
Co-founder & Chief Scientific Officer
Dual board-certified child, adolescent and adult psychiatrist, and author of the award-winning Frontier Psychiatrists newsletter and podcast
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Dr. Carlene MacMillan
Co-founder & Chief Product Officer
Dual board-certified child, adolescent, and adult psychiatrist focused on expanding access to breakthrough treatments through better technology and insurance coverage advocacy.
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Physicians
Board-certified psychiatrists leading clinical care
Dr. Eugene Grudnikoff
Manhattan Medical Director, Staff Psychiatrist
Board-certified in general and child/adolescent psychiatry, dedicated to compassionate, thoughtful care for children, adolescents, and families.
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Dr. Seth Resnick
New York Regional Medical Director
Board-certified psychiatrist with rare subspecialty training in Addiction, Pain, and Palliative Medicine; Clinical Assistant Professor at NYU combining advanced psychotherapeutic and psychopharmacologic training.
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Daniel Santarsieri
Staff Psychiatrist
Dr. Daniel Santarsieri is a board-certified psychiatrist specializing in treatment-resistant depression and interventional psychiatry, combining advanced neuroscience- based treatments with a personalized, psychotherapy-informed approach to help patients achieve meaningful and lasting change.
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Nurse Practitioners & Physician Assistants
Advanced practice providers guiding day-to-day treatment
Rachel Gersh
Psychiatric Nurse Practitioner
Board-certified mental health nurse practitioner bringing a holistic, compassionate approach to treating anxiety, depression, OCD, ADHD, and life transitions.
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Therapists & Counselors
Licensed clinicians supporting therapy and mental wellness
Mimi Gupta
Staff Therapist
Psychotherapist with dual masters degrees from Columbia University, working with anxiety, depression, trauma, and interpersonal difficulties.
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Ariel Hurley
New York Regional Clinical Director
Licensed psychotherapist with over seven years of experience, dual master's degrees from Columbia University, specializing in mood disorders, trauma, substance use, and relationships.
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Maddie Kendall
Staff Therapist
Maddie is a Licensed Clinical Social Worker who helps people navigate life's challenges with compassion and authenticity. She works with depression, anxiety, bipolar disorder, substance use, and life transitions, drawing on CBT, DBT, ACT, and trauma-informed care.
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Christina Francis
Staff Therapist
Licensed therapist who helps individuals better understand themselves, navigate difficult emotions, and build lives that feel more aligned with their values
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Nurses & Clinical Staff
Hands-on support throughout your treatment
Technicians
The team delivering your TMS and interventional sessions
Amanda Riedl
Practice Management
Keeping each Radial location running smoothly
Emily Guida
Office & Support Staff
The first faces you meet and the help behind the scenes
Dan Gray
Additional Team Members
Others who help Radial run every day
Schedule a Call
Talk to a care navigator to learn more about treatment options soon to be available at our Williamsburg clinic and how to get started.
Take the first step and talk to a care navigator.
Your care navigator will explain the process, discuss insurance and costs, and connect you with a clinician to explore today’s most advanced mental health treatments.
