Samuel Russell, MD

Dr. Macdonnell is a double-boarded psychiatrist with over 25 years of experience in adult psychiatry and geriatric psychiatry. Dr. Macdonnell focuses on treating individuals with medication management. Supportive and interpersonal therapy is incorporated as needed. When additional therapy or longer sessions are necessary to enhance the individual's treatment, she invites a therapist to become a member of your care team. Dr. Macdonnell attended undergraduate school at Manhattan School of Music earning a bachelor's and master's degree in violin performance and musicology. She then attended the City University of New York � Hunter College campus majoring in premedical sciences. Dr. Macdonnell attended Albert Einstein College of Medicine in the Bronx, New York, earning a degree in MD. She completed an internship in internal medicine before entering psychiatry residency at New York-Presbyterian Hospital � Westchester Division. After completing her residency, she stayed for an additional year, completing a fellowship in geriatric psychiatry. She was promoted to Attending Psychiatrist and Unit Chief of the Geriatric Partial Hospital Program. After two years in academic psychiatry, she entered private practice in New York and Connecticut for 8 years. She then served 2 years in the National Health Service providing outpatient care to an underserved area in central Florida. Moving to Georgia, she has worked in private practice and academic psychiatry at Mercer University College of Medicine before moving on to Veterans' care at Atlanta VA and Carl Vinson VA Medical Center. While Dr. Macdonnell has a wide range of experience, she focuses on general adult psychiatry.

Dr. Jylia Lobanova is a board-certified psychiatrist who began her medical career in Tashkent, Uzbekistan, where she worked at the Central Psychiatric Hospital. After moving to the U.S., she completed her residency at MetroHealth Medical Center, affiliated with Case Western Reserve University. She has treated diverse populations in both inpatient and outpatient settings, including work at Portage Health Clinic in Ohio, Harris Health in Houston, and Legacy Community Health, where she focused on LGBTQ and HIV-positive patients.

Dr. Lobanova values building a trustful and respectful therapeutic relationship. She creates a welcoming space for open communication and mutual understanding, which she believes is the cornerstone of effective treatment. She is especially passionate about supporting patients from diverse cultural backgrounds and has a special interest in women’s mental health across the lifespan.

Dr. Lobanova takes a holistic approach to care, combining medications, psychotherapy, psychoeducation, proper nutrition, and physical activity. She partners closely with each patient to develop an individualized treatment plan tailored to their unique goals and needs, always striving to empower them in their journey toward mental wellness.

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Background and credentials

Dr. Tyler Josephs is a staff psychiatrist at Talkiatry. He earned his medical degree from Kansas City University in 2017 and completed his psychiatric residency at the University of Kansas Medical Center in 2021. During his residency, he served as Chief Resident at both the University of Kansas Medical Center and the Kansas City VA Medical Center. Most recently, Dr. Josephs worked at the Kansas City VA Medical Center, where he was the psychiatric director of the outpatient mental health clinic and served as Psychiatry Executive for behavioral health services.

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Treatment approach

Dr. Josephs believes in a holistic approach to mental health treatment, integrating medication management, supportive psychotherapy, and collaboration with therapists and support staff. He tailors treatment to each patient's unique needs, ensuring a comprehensive and individualized approach to care. His expertise includes treating a variety of psychiatric diagnoses, such as depression, anxiety disorders (including OCD), ADHD, and PTSD.

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What you can expect in a first visit

In a first visit, patients can expect a thorough evaluation, where Dr. Josephs takes the time to understand their medical history, symptoms, and treatment goals. He emphasizes open communication and collaborative decision-making, ensuring that patients feel heard and supported. Based on this initial assessment, he will develop a personalized treatment plan, which may include medication management and referrals to therapy or other supportive services as needed.

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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. Kerstin Asquith is a board-certified psychiatrist at Talkiatry. She has extensive experience working with a wide range of diagnoses and patient populations, with particular interest in treating depression, anxiety, PTSD, and OCD. She also has additional training in college mental health. Dr. Asquith believes in the importance of getting to know each of her patients and the unique issues that bring them into treatment. Her approach involves collaborating with patients to create personalized treatment plans and considering both medication and non-medication methods.

Dr. Asquith is from California and completed her undergraduate studies at the University of California, Davis. She obtained her medical degree from Creighton University School of Medicine and then trained at Stanford University's Adult Psychiatry Residency Program. She subsequently completed a fellowship in student mental health at Stanford University. Most recently, Dr. Asquith worked as an outpatient psychiatrist at The Permanente Medical Group. In her free time, she enjoys traveling, trying new foods, and spending time with friends and family.

Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

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Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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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. Jisoo Park is a board-certified psychiatrist. She obtained her bachelor's degree from Tufts University, where she double majored in Biopsychology and Art History. She attended medical school at Nova Southeastern University, and completed her psychiatry residency at Stony Brook University Medical Center. After graduating with her residency, she was appointed clinical assistant professor at Renaissance School of Medicine, where she worked at the Treatment Resistant Depression Clinic. She was involved in teaching medical students and residents, and was part of various research studies and publications. Dr. Park treats a variety of psychiatric disorders in adults, including depression, anxiety, and PTSD. She does not treat patients with ADHD. She emphasizes a patient-centered approach and believes that best treatment outcomes result from a strong therapeutic relationship between a patient and a psychiatrist. She offers medication management and therapy through telehealth sessions. She offers sessions in both English and Korean.