Lauren Miller, MD

Dr. Zeynep Altun is board-certified in Psychiatry and holds a Ph.D. in Neuroscience. Dr. Altun graduated cum laude from Istanbul University, Istanbul Medical School. She completed her residency training in Neurology and is Turkish board-certified in clinical Neurology. Subsequently, she moved to the U.S. and finished her Ph.D. in cellular Neuroscience at Cornell University Graduate School of Medical Sciences. Dr. Altun completed her psychiatry residency training at Albert Einstein College of Medicine, Department of Psychiatry and after, her clinical fellowship in Comprehensive Psychiatric Emergency Program at Columbia University Medical College, New York Presbyterian Hospital. Dr. Altun has practiced in various settings including Bellevue Hospital, New York Presbyterian Hospital, Columbia Doctors Faculty Practice Office, Mount Sinai West and Mount Sinai Morningside Hospitals. Dr. Altun has held various academic appointments at New York University School of Medicine Department of Psychiatry; New York Presbyterian Hospital-Columbia University Medical College Department of Psychiatry; New York State Psychiatric Institute and Mount Sinai School of Medicine Department of Psychiatry. She spent most of her professional career supervising and teaching medical students, psychiatry residents and nurse practitioners. As an adult psychiatrist, Dr. Altun has extensive theoretical knowledge of the nervous system and its disorders and more than 10 years of experience in treating various mental illnesses including mood disorders, anxiety disorders, psychotic disorders, autism-spectrum and neuropsychiatric disorders, psychiatric emergencies and crisis management as well as cognitive behavioral and supportive psychotherapy. In Columbia Doctors, she collaborated closely with the Lieber Recovery Clinic, treating young adults with various mental illnesses. The philosophy of her practice is to collaborate with patients and work together with them so that they can lead symptom-free, productive, and stable lives.

Background and credentials

Dr. Joyln Ferrell is a board-certified psychiatrist with specialized training in treating depression and anxiety disorders. She earned her medical degree from Howard University College of Medicine and also holds a doctorate in pharmacy from the University of Georgia. She completed her residency training in psychiatry at VA Boston/Harvard Medical School and gained significant clinical experience at McLean Hospital. Additionally, she completed a fellowship in psychoanalytic psychotherapy at Columbia University Center for Psychoanalytic Training and Research.

‍

Treatment approach

Dr. Ferrell focuses on providing patient-centered care, emphasizing improving quality of life and helping patients reach their specific treatment goals. Her approach integrates medication management with supportive therapy. She believes in a collaborative treatment process and may recommend additional therapy support when necessary to optimize outcomes. She takes a cautious and limited approach to the use of controlled medications, ensuring responsible medication management.

‍

What you can expect in a first visit

During the first visit, patients can expect a comprehensive assessment of their symptoms, medical history, and treatment goals. Dr. Ferrell takes a thoughtful and individualized approach to care, working with patients to develop a treatment plan that incorporates medication management and supportive therapy. Follow-up visits typically last 20-30 minutes and focus on monitoring progress and adjusting treatment as needed. In some cases, she may recommend involving an additional therapist to further enhance the effectiveness of the treatment plan.

‍

Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

‍

Dr. Jillian Saad is a board-certified adult psychiatrist who specializes in patient-centered care. She has been practicing for over 8 years in private practice and academic medicine .Dr. Saad focuses on medication management in 30-minute follow-up visits in conjunction with supportive and emotionally focused therapy. She takes a patient-centered approach that acknowledges all the psychosocial aspects of each individual to ensure they receive the most effective treatment possible. She received her medical degree from UMDNJ Robert Wood Johnson Medical School in Piscataway, NJ, then moved to Pennsylvania to complete her residency at Thomas Jefferson University Hospital in Philadelphia. Upon completion of training, Dr. Saad went into private practice for 5 years in southern NJ where she treated children, adolescents, and adults with a wide array of psychiatric disorders. She then went into academic medicine at Cooper University Hospital in Camden, NJ, where she served as the Associate Program Director of the Psychiatry Residency Program supervising and teaching both residents and medical students .Dr. Saad has experience working with a broad range of psychiatric disorders including mood disorders, PTSD, OCD, and ADHD. She also has a strong interest in Women's Mental Health and alternative treatment options.

Dr. John Weller, MD, is a psychiatrist with a strong foundation in science and clinical care. He earned his undergraduate degree in molecular genetics from the University of Vermont and conducted neuroscience research in both academic and industry settings. A graduate of St. George’s University School of Medicine, he completed his psychiatry residency at Mather Hospital, Northwell Health, where he was honored as Resident of the Year in 2025 and inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Weller is committed to providing compassionate, evidence-based care that considers the full spectrum of biological, psychological, and social factors. He builds therapeutic relationships on empathy, respect, and trust. By tailoring treatment plans to each patient’s personal and cultural context, he helps individuals take control of their mental health and work toward long-term recovery and resilience.

In the first session, Dr. Weller takes time to listen carefully and gather a thorough understanding of each patient's concerns, history, and current functioning. He uses empathy and active listening to foster open communication and develop personalized treatment plans that may include therapy, medication, or lifestyle changes, with the goal of restoring wellness and stability.

Dr. Dopkin is a board-certified adult and child psychiatrist dedicated to helping patients feel well and stay well. A Long Island native, he earned his bachelor’s degree from Cornell University before attending St. George’s University School of Medicine. He completed his adult and child psychiatry training at Brown University. For over two decades, Dr. Dopkin has served New York City communities across Queens, Manhattan, and the Bronx, primarily within the public hospital system. He has held clinical, academic, and administrative leadership roles and has been recognized for his excellence in teaching and mentoring psychiatry residents. He also serves as Assistant Dean of Students for the U.S. clinical program at St. George’s University

Dr. Dopkin provides patient-centered care grounded in a biopsychosocial approach. He collaborates with each patient to tailor treatment plans that integrate evidence-based medication options with interpersonal and supportive therapy. He has worked with patients of all ages and backgrounds, including individuals from marginalized communities and those coping with trauma, depression, anxiety, and comorbid medical conditions.

With warmth and respect, Dr. Dopkin meets each patient where they are, helping them find the path that works best for their unique needs and goals.

Darcie Farrell is an ANCC Board Certified Family Psychiatric Nurse Practitioner.  She has worked exclusively in the field of psychiatry during her forty-year nursing career.  She has worked in many care settings, including as a psychiatric Home Health Nurse and as a Certified Case Manager (CCM) in Psychiatry at Blue Cross Blue Shield. During her time at Excellus Blue Cross Blue Shield, she realized the urgent need for psychiatric nurse practitioners, so enrolled in the BSN/MSN program at the University of Rochester, graduating in 2016 with her BSN and in 2018 with her MSN.  She has strong skills and experience in Motivational Interviewing, having worked as a Motivational Counselor for a University of Rochester's Pediatric Research Program.   She has worked for the past seven years as a Nurse Practitioner in Geriatric Outpatient Psychiatry.

Darcie Farrell is a compassionate provider who is client centered. I rely on evidence-based scientific research when determining the best treatment options for clients.  

Darcie Farrell has a very relaxed process for working with patients which allows the client to provide information that is pertinent to their goals for care.  Then, together, we determine which treatment options are likely to be best for the client.

‍