Christa DeFries, MD

Dr. Samuel Russell is a psychiatrist at Talkiatry. He is board certified in Addiction Psychiatry and Adult Psychiatry. His particular clinical focus is on the treatment of Obsessive Compulsive Disorder, and behavior addictions, as well as trauma, mood, and anxiety disorders. Dr. Russell's practice focuses on evidence-based treatments for psychiatric illness that utilizes a combination of medications and psychotherapy modalities best suited for an individual patient and their needs. He offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Weekly hour-long psychotherapy may be available if indicated. However, occasionally, Dr. Russell may believe that different therapies are also needed and ask that you bring a therapist into your care team to provide the best outcome. He received his medical education at the University of Washington in Seattle after completing undergraduate studies in psychology and later a post-baccalaureate at Boston University. After residency at the University of Chicago where he specialized in addiction psychiatry and psychotherapy, he completed an Addiction Psychiatry Fellowship at the University of Washington in Seattle.

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.

Background and credentials

Dr. Munoz is a board-eligible adult psychiatrist. He earned his medical degree from Rutgers, New Jersey Medical School and completed his psychiatric residency at Mount Sinai Beth Israel. Throughout his training, he gained experience in a variety of clinical settings, including outpatient and inpatient care, as well as psychiatric emergency services.

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Treatment approach

Dr. Munoz provides compassionate psychiatric care through a combination of pharmacotherapy and supportive therapy. He specializes in treating depression, anxiety, bipolar disorder, and psychotic disorders. He has extensive experience working with LGBTQ+ and Spanish-speaking communities. His treatment philosophy is holistic, viewing patients as whole individuals and addressing their specific needs at different stages of life. He also emphasizes the importance of exercise, relationships, and overall well-being in his approach to mental health care.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive and patient-centered evaluation. Dr. Munoz takes the time to understand each patient’s symptoms, background, and personal goals. He collaborates with patients to develop an individualized treatment plan that may include medication management, supportive therapy, and lifestyle modifications to support their overall well-being.

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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.

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Dr. Andrews is a board-certified psychiatrist who received his medical degree from Lake Erie College of Osteopathic Medicine and completed his psychiatric residency at the University of Texas Health – San Antonio. Since graduating from medical school, Dr. Andrews served in the United States Air Force for over a decade, first as a Flight Surgeon and later as the Medical Director for mental health and substance abuse clinics overseas. In these roles, he provided medical support to Air Force personnel, their family members, and veterans. These invaluable experiences in high-pressure environments strengthened his desire to support the psychological challenges of individuals in a myriad of situations.

Outside of patient care, Dr. Andrews remains active in continuing education, ensuring the latest scientific advancements inform his practice. With a background grounded in medical excellence, military service, and clinical psychiatry, he brings a steady, knowledgeable, and compassionate presence to the healing process.

Dr. Andrews offers comprehensive psychiatric care to adults seeking support for mental health challenges. Whether you are experiencing stress, depression, panic attacks, sleep issues, or difficulty focusing, he provides a warm, nonjudgmental space to explore your concerns and work collaboratively on a treatment plan that aligns with your goals and values. He offers both medication management and a combination of psychotherapy techniques tailored to each patient’s unique needs for effective and lasting outcomes.

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Dr. Khandie Graham is a board-certified psychiatrist who completed her medical training at UCLA/Drew Medical Education and her psychiatry training at University of California, San Francisco/Fresno in 2013. She has served as a psychiatrist in the United States Air Force and prior to joining Talkiatry, was an inpatient psychiatrist. Dr. Graham's practice focuses on medication management. Typically, she offers this in conjunction with supportive therapy in 30-minute follow-up visits. However, occasionally Dr. Graham 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. Graham treats all adults and specializes in depression, bipolar disorder, anxiety disorders, ADHD, and life changes. She prides herself in partnering with patients to create individualized treatment plans. Dr. Graham is a great listener and spends time with her patients.

Dr. Gamberino is a board certified adult psychiatrist who has been in practice for over 25 years. He has always been fascinated by how the brain works, especially in the setting of stress, anxiety, and trauma. He completed his training at the Pennsylvania State University College of Medicine MD/PhD program and earned his PhD in Neuroscience. He subsequently completed a Residency in Adult Psychiatry including an Anxiety Disorder Research Fellowship at the University of Florida. Dr. Gamberino had a private practice for over 10 years with a focus on providing psychotherapy integrated with pharmacological management. He worked for 25 years with adult and geriatric Veterans at Department of Veterans Affairs with focus on treating PTSD, as well as a full range of anxiety and mood disorders including 7 years of providing care through telehealth treatment. Dr. Gamberino also has 10 years of experience working with adolescents in the juvenile justice system.

Dr. Gamberino is experienced and comfortable treating a wide variety of psychiatric conditions including PTSD, mood disorders such as major depression and bipolar disorder, and all anxiety disorders such as generalized anxiety disorder, social phobia, panic disorder, and OCD. He enjoys sharing knowledge with patients to help them better understand the origins of their symptoms and a range of strategies to manage them.

Dr. Gamberino utilizes a non-paternalistic approach respecting the autonomy of his patients while helping them gain insight into their presenting problems utilizing a collaborative shared decision making approach to help reduce symptoms and optimize functioning. His practice combines evidence-based medication management with psychotherapy utilizing elements of supportive, cognitive behavior, and insight-oriented therapy. Dr. Gamberino utilizes a patient, caring approach, meeting patients where they are to empower them with making changes that lead toward improvement and optimization of their wellness.