Peter Szeibel, 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.

Dr. Liu is board certified in Adult Psychiatry. She primarily focuses on medication management but integrates therapeutic support into her sessions. For more in-depth therapy needs, Dr. Liu encourages patients to have their own individual therapist. She received her undergraduate and medical degrees at the University of South Carolina in Columbia, SC. She then moved to Morgantown, West Virginia to complete her psychiatry residency. Dr. Liu has experience working with patients from different backgrounds in inpatient, outpatient, and partial hospitalization settings. She particularly enjoys working with young adults and in areas related to women's health, such as perinatal mental health. She welcomes people from all cultures and is LGBTQ+ friendly.

Background and credentials

Dr. Puja Kumar is trained in adult, child, and adolescent psychiatry and is a board-certified pediatrician. She earned her Bachelor of Science from the University of Calgary and her medical degree from St. George’s University in Grenada. She completed her pediatrics residency at Maimonides Medical Center in New York and practiced pediatrics with MedStar Shah Medical Group in Maryland before transitioning to psychiatry. She later trained in child and adult psychiatry at University Hospitals Cleveland Medical Center.

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Treatment approach

Dr. Kumar provides medication management combined with supportive therapy, typically in 30-minute follow-up visits. She takes a holistic approach to treatment, considering the impact of lifestyle, parenting practices, and family dynamics on mental health. She emphasizes integrative care, ensuring that treatment plans are tailored to each patient’s unique needs and circumstances.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and compassionate evaluation, where Dr. Kumar takes time to understand their symptoms, medical history, and environmental influences. She prioritizes collaborative decision-making, working closely with patients and, when applicable, their families, to develop a comprehensive and personalized treatment plan. Follow-up visits typically focus on medication adjustments, supportive therapy, and lifestyle recommendations to optimize mental health 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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Dr. Wang is a board-certified psychiatrist in both General Psychiatry and Addiction Psychiatry, with extensive experience in providing compassionate, evidence based to mental healthcare. She currently serves as an outpatient psychiatrist providing care to veterans, where she integrates evidence-based medication management with psychotherapy. Dr. Wang completed her psychiatry residency at the University of Wisconsin-Madison, where she also contributed to clinical education through supervising residents and conducting quality improvement initiatives.

Dr. Wang believes in crafting individualized treatment plans that address both the biological and psychological aspects of mental illness. She specializes in the combined use of psychotherapy and medication management to support long-term healing. Dr. Wang encourages her patients to become active participants in their recovery process and empowers them to grow into their own healers. Her therapeutic approach emphasizes insight, autonomy, and long-term well-being.

During the initial visit, patients can expect a warm, thoughtful, and collaborative evaluation. Dr. Wang takes time to understand her patients’ symptoms, personal history, strengths, and goals in order to develop a tailored and sustainable treatment plan. She believes in shared decision-making and provides clear, compassionate communication around both therapy and medication options.

Dr. Cheryl Dasler is a double board certified psychiatrist in General Psychiatry and Child and Adolescent Psychiatry. Following completion of her training, she spent the next 10 years fulfilling her passion for indigent care of children, working in a community mental health center. She went on to complete additional training in Functional Medicine, with the goal of offering patients greater insight into the physical factors contributing to their symptoms. She has also trained in Mindfulness Based Stress Reduction, and encourages mindfulness as a healing technique along with medication management. Over the following 10 years, Dr. Dasler treated a broad range of patients in a private practice setting, including children and adults. She is passionate about treating ADHD, and utilizes medications plus skill building in her sessions to help her patients maximize their potential. Her extensive experience also includes treating mood disorders, anxiety disorders, PTSD, and OCD. She believes in a mind-body interconnection, and strives to address both aspects to provide truly holistic care. Patients looking for a psychiatrist will find Dr. Dasler is a warm, compassionate provider who genuinely listens. She works in partnership with patients to find a treatment plan that will be effective, while also being sensitive to financial or insurance coverage factors that may impact care.

Dr. Maria is a Board-Certified Adult Psychiatrist with specialized training in Child and Adolescent Psychiatry. She earned her medical degree from Andes University in Colombia, completed her Psychiatry Residency at The Wright Center in Scranton, Pennsylvania, and pursued further training through a Child and Adolescent Psychiatry fellowship at Louisiana State University in New Orleans.

Dr. Maria is deeply committed to providing kind, thoughtful, and inclusive care. She creates a warm, welcoming space where patients of all ages feel safe, listened to, and truly seen. Her approach blends evidence-based practices with compassion and patient collaboration. She works closely with each patient to understand their unique story and help them move toward meaningful, personal goals.

She takes time to build strong, trusting relationships and conducts thorough evaluations to understand each person’s experiences and needs. Her treatment often includes psycho-education, supportive therapy, and medication management—always shaped by what matters most to the patient.

Dr. Maria has experience treating a wide range of mental health conditions, including ADHD, PTSD, Depression, Anxiety, OCD, and Bipolar Disorder. She is especially passionate about supporting minority and marginalized communities, and she strives to ensure everyone feels valued and cared for.

Dr. Maria practices with a patient centered approach, focusing on each patients unique needs. She practices evidence based medicine with empathy, warmth and in a supportive, nonjudgmental environment.

It is important to Dr. Maria to build trust with patients, so they feel comfortable during their visits. She provides a thorough evaluation to understand symptoms, challenges and personal goals. Dr. Maria conducts visits that incorporate both medication management and psycho-education through supportive therapy. She works with her patients to set clear goals that align with their preferences.

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