Jennifer Yen, MD

Dr. Hussain is known for his compassionate, thoughtful approach to psychiatry and his commitment to helping patients feel genuinely seen and supported. He takes pride in getting to know each person as a whole—beyond just symptoms or diagnoses—and works to build on that from the very first session. Originally from New York, Dr. Hussain completed his undergraduate studies at the University of Buffalo, earned his medical degree from St. George’s University, and completed residency training at Northwell Health in New York and Connecticut.

Dr. Hussain treats a wide range of mental health conditions including depression, anxiety, ADHD, PTSD, OCD, bipolar and psychotic disorders. His approach is collaborative and patient-centered, with a strong focus on shared decision-making. Treatment often includes medication management and therapy techniques like cognitive behavioral therapy and motivational interviewing. Sessions are always a judgment-free space where patients feel safe, respected, and empowered.

During an initial visit, Dr. Hussain conducts a thoughtful and collaborative assessment focused on understanding a patient’s symptoms, experiences, and treatment goals. From there, he works closely with each person to develop a personalized plan, including medication options and other therapeutic strategies. His goal is to create a safe, respectful space where patients feel heard, empowered, and supported throughout their care.

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Dr. Mandel received his Bachelor of Arts and Doctor of Medicine degrees from the University of Pennsylvania. He completed his Residency in Psychiatry at Mount Sinai Medical Center in Manhattan. He has been board certified in psychiatry since 2001 and is a Life Fellow of the American Psychiatric Association. He has held numerous clinical and academic appointments including serving as Chairperson of Psychiatry at Huntington Hospital in Huntington, New York, and Assistant Professor of Psychiatry at Hofstra North Shore-LIJ School of Medicine.

Dr. Mandel has over 25 years of clinical experience treating all mental health conditions. He has a strong interest in mood and anxiety disorders, including work-related anxiety. He authored a section on the pharmacology of social anxiety in the book Work Makes Me Nervous. Dr. Mandel also has expertise working with clients diagnosed with borderline personality disorder. He has lectured on the pharmacologic management of this condition, including a presentation at the NIMH International Think Tank for the More Effective Treatment of Borderline Personality Disorder.

Dr. Mandel continually seeks to streamline complex medication regimens. He has completed a fellowship in integrative psychiatry and carefully considers the potential contributions of lifestyle and nutrition to overall mental health and well-being. By taking an eclectic approach, Dr. Mandel is able to achieve the best possible outcome for all whom he is privileged to serve.

Dr. John's practice focuses on medication management, offered in conjunction with emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. John may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. John strongly believes in a compassionate, collaborative approach and will provide psychoeducation to help patients make informed decisions and achieve their treatment goals.

Dr. Wellin is a double board certified psychiatrist specializing in child and adolescent psychiatry and adult psychiatry. She has been in private practice and worked in community clinics for over 44 years. Dr. Wellin's practice focuses on medication management in conjunction with supportive psychotherapy in 30-minute follow-up visits. She encourages a team approach involving psychotherapists, medical doctors, and parents and family when appropriate, to provide holistic care for optimal outcomes. Dr. Wellin received her medical degree from the Albert Einstein College of Medicine, in Bronx, NY. She did her residency in adult psychiatry at the Jacobi Hospital Department of Psychiatry in Bronx, NY. Her fellowship in child and adolescent psychiatry at Columbia University St Luke's-Roosevelt Hospital NYC followed. For the last 5 years, she has been an assistant clinical professor at the Adolescent Health Center at Mt Sinai Hospital NY. During this period she was also a consulting psychiatrist at the McShane Center for Psychological Services at Pace University. Dr. Wellin trained at the Psychoanalytic Institute at NYU. She was certified in hypnosis by NYSEPH in NYC and she has also received training in EMDR. Dr. Wellin worked at a NYC rehab for substance abusers and was the medical director of a private program for children of substance abusers and their families. Her primary current focus is on adolescents and college-aged patients.

Dr. Iris Guerrero Urena is double board-certified in psychiatry and consultation-liaison psychiatry. She received her medical degree from Universidad Iberoamericana in the Dominican Republic and went on to complete psychiatric residency at Lincoln Hospital in New York City. Dr. Guerrero then completed a consultation liaison fellowship at Morningside and West Mount Sinai Hospital in New York, further acquiring proficiency in caring for patients with complex medical and psychiatric comorbidities. After completing training, Dr. Guerrero worked in an acute inpatient unit and as a psychiatric consultant for patients admitted to medical units in Oregon. Dr. Guerrero Urena focuses on medication management while also implementing elements of supportive, dialectical behavioral, and cognitive behavioral therapy within each session to fully address individual needs. At times, Dr. Guerrero Urena may recommend a therapist for additional therapy. Dr. Guerrero Urena is experienced in treating a wide range of psychiatric conditions including depression, bipolar disorder, anxiety, PTSD, OCD.

Thomas Sargent, MD, holds a master's degree in pharmacology and a Doctor of Medicine from Tulane University School of Medicine. He completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai West/Morningside in New York City. Over the past four years, he has treated a wide range of mental health conditions in various clinical settings. Dr. Sargent has extensive experience treating mood, anxiety and psychotic disorders, PTSD, OCD, personality disorders, and substance use issues. He utilizes both medication management and psychotherapy to provide comprehensive care. Dr. Sargent has received specialized training at the VA and the Center for Intensive Treatment of Personality Disorders in NYC. Passionate about holistic treatment, Dr. Sargent considers the biological, psychological, and social factors that influence mental health. He believes in addressing core issues through targeted care rather than defaulting to prescribing multiple medications. Dr. Sargent strives to create a supportive environment where patients can openly express their concerns. He believes in shared decision-making to ensure that care is evidence-based but also tailored to each patient's unique needs. Dr. Sargent takes the time to thoroughly explain diagnoses and treatment options, empowering patients to make informed decisions about their mental health. His approach emphasizes patient autonomy and aims to build trust, leading to more effective and personalized care outcomes.