Ruosi Liu, MD

Dr. Varsha Narasimhan is a physician with experience working in outpatient integrated medical settings, where she has collaborated closely with primary care and obstetric providers to support patients’ mental health within the context of their overall health. She earned her medical degree from SUNY Downstate Medical Center and completed her psychiatry residency and integrated care fellowship at Montefiore Medical Center. Dr. Narasimhan also holds additional training in bioethics and medical humanities, which informs her thoughtful and reflective approach to care.

Dr. Narasimhan’s style is practical, respectful, and grounded in shared decision-making. She works collaboratively with patients to ensure they feel informed and empowered in their care. She treats depression, anxiety, PTSD, ADHD, bipolar disorder, and cognitive concerns, with a focus on patient-centered care and careful, individualized medication management.

Dr. Narasimhan tailors treatment to each patient’s unique concerns, values, and goals. She prioritizes compassion and a whole-person perspective during the initial assessment and throughout treatment, working with patients to develop plans that support both mental health and overall well-being.

Dr. Kamil Dar graduated from Boston Medical Center Brighton, Massachusetts, from the Department of Psychiatry. He received his training in Interventional Psychiatry including ECT and TMS at Beth Israel Deaconess Medical Center, a Harvard University Teaching Hospital. He has multiple publications in research. Dr. Dar is culturally diverse and speaks English, Urdu, Punjabi, Hindi and Chinese Mandarin. In his free time, he enjoys playing sports with his family, including soccer and cricket.

While assessing his patients with the biopsychosocial model, he treats with evidence based treatment.

He utilizes therapeutic techniques such as cognitive behavioral therapy and psychodynamic therapy in conjunction with medication for optimal results.

Dr. Giselle Brito is board-certified in adult psychiatry and has been practicing for over 4 years. She received her medical degree from San Juan Bautista, School of Medicine in Puerto Rico and continued her medical education at Jackson Memorial Hospital & University of Miami Hospital for her 4-year psychiatry residency training program. After completing her training, Dr. Brito worked at the Miami Veterans Affairs Hospital and then the Orlando Veterans Affairs Hospital in the primary care mental health integrated model. Dr. Brito also holds certification in Perinatal Mental Health. Dr. Brito's practice focuses on medication management and supportive psychotherapy in typically 30-min follow up visits. At times, additional psychotherapy is needed and a therapist may be added to provide the best outcome.‍

Dr. Zeshen Wu is an ABPN board certified psychiatrist with more than 10 years of experience. He completed his undergraduate studies at the University of Texas at Austin, followed by medical school at the University of Texas Medical Branch. He completed residency in psychiatry at Dell Medical School in Austin. Dr. Wu focuses on effective and safe medication management as well as supportive and psychodynamic therapy in his practice. He likes to focus on a gentle, collaborative, and patient-centered approach. He specializes in forming individualized pharmacological treatments as well as taking time to explore stressors and psychological issues to achieve complete and comprehensive care. Dr. Wu had previously served as assistant professor of psychiatry at UTHealth McGovern Medical School in Houston and has been involved in many years of teaching and mentorship. At UTHealth, he also served as clinical faculty in one of the nation's largest inpatient psychiatric campuses and is experienced in treating a wide range of adult mental illnesses including mood disorders, anxiety, OCD, and ADHD.

Alana Ward is a board certified psychiatric mental health nurse practitioner (PMHNP). Alan has been practicing since 2018 and has experience with individuals of all ages. Prior to becoming a PMHNP, Alana worked as a registered nurse in critical care and psychiatry. As a PMHNP, she has experience working on inpatient adult and geriatric psychiatric units, as well as providing psychiatric evaluations and consultations to individuals on medical units and emergency rooms at hospitals. Alana is very experienced working in outpatient settings managing various psychiatric diagnoses. She has also helped manage individuals in long term care facilities and assisted living facilities. When Alana is not providing direct patient care, she will on occasion help with instructing future nurses at Kent State University. Alana graduated with her Master's of Science in Nursing from Kent State University, and is board certified as a Psychiatric Mental Health Nurse Practitioner through the American Nurse Credentialing Center. Alana enjoys treating a variety of mental health diagnoses including depression, anxiety, obsessive compulsive disorder, mood disorders such as bipolar disorder, and various psychotic disorders. She believes in client-centered care, where clients get a say in their treatment in order to help make them feel their best. Alana truly believes that therapy is a crucial part of successfully treating any mental health diagnosis, in combination with medication management when warranted. Alana likes to add mindfulness and cognitive behavioral therapy techniques to her medication management appointments to help individuals receive effective, quality care.

Background and credentials

Dr. Diane Lewis is board-certified in general psychiatry by the American Board of Psychiatry and Neurology. She earned both her undergraduate and medical degrees at Texas A&M University (College Station and Temple, TX) before completing her general psychiatry residency at UT Southwestern - Austin Programs (now Dell Medical School residency programs). After her residency, she practiced for eight years as a staff psychiatrist at the University of Texas' student counseling center. She also has experience working in hospital admissions and emergency department settings.

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Treatment approach

Dr. Lewis employs a medication-management-focused approach typically paired with supportive therapy during 30-minute follow-up visits. She strongly values a collaborative treatment approach, frequently encouraging patients to incorporate additional therapy for the best outcomes. Her primary specialty is college mental health, treating patients aged 18-45 with a range of mental health conditions from mild to complex. Dr. Lewis emphasizes authenticity, compassion, and recognizing patients beyond their diagnoses, providing care tailored to individual circumstances and goals.

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What you can expect in a first visit

During a first visit, patients can expect Dr. Lewis to conduct a thorough evaluation, carefully listening to their concerns, and considering their symptoms within the broader context of their lives. Her patients appreciate her down-to-earth and compassionate communication style. She aims to create an environment where patients feel understood, respected, and actively involved in shaping their personalized treatment plan, often recommending additional therapy support when beneficial for achieving optimal outcomes.

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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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