Stephanie Negrey, MD

Dr. Vina Mehta is double-boarded in adult psychiatry and child & adolescent psychiatry. With over 30 years of experience, she has provided compassionate care across inpatient, residential, and outpatient settings. She is committed to supporting patients with a wide range of psychiatric conditions, including PTSD, depression, bipolar disorder, anxiety, OCD, and ADHD.

Dr. Mehta works collaboratively with her patients, creating a supportive environment that emphasizes understanding and shared decision-making. She values open communication and tailors treatment approaches to align with each patient’s unique goals and needs.

Her approach combines psychotherapy—including cognitive, behavioral, and supportive techniques—with thoughtful medication management. Dr. Mehta establishes individualized treatment plans, focusing on strategies that promote long-term wellness and resilience.

Dr. Kyra Munzenmaier is a board-certified psychiatrist dedicated to providing compassionate, personalized mental health care. A graduate of the University of South Florida's College of Medicine and former Chief Resident at St. Luke’s in Pennsylvania, Dr. Munzenmaier brings extensive training and experience in outpatient psychiatry. She particularly enjoys helping individuals dealing with insomnia, ADHD, anxiety, OCD, mood disorders, and medical trauma. As a Perinatal Mental Health-certified expert, she advocates for women’s mental health needs and supports individuals navigating mental health concerns during pregnancy and beyond.

Dr. Munzenmaier’s treatment approach is rooted in shared decision-making, prioritizing patient goals and preferences to create customized care plans, which typically include psychotherapy in combination with medication. She often integrates evidence-based lifestyle modifications and natural treatments to optimize personal well-being. By taking a holistic view of her patients’ challenges, Dr. Munzenmaier empowers her patients to lead their most fulfilling lives.

Dr. Sabrina Ghim is a board-certified physician specializing in adult psychiatry and practices adult psychiatric medication management. She focuses on building a strong therapeutic and collaborative environment with patients. She works with individuals struggling with depression, ADHD, obsessive compulsive disorder, anxiety disorders, including generalized anxiety, and social anxiety. Dr. Ghim usually meets with patients monthly for psychiatric follow up appointments. She provides psychiatric medication management in a comprehensive manner, paying careful attention to each patient's unique biological, psychological, and cultural make-up. She is diligent about keeping up-to-date on the research and expanding frontiers of psychiatry and psychopharmacology. She strongly believes in tailoring treatment in an integrative and collaborative manner to provide the best outcome for each unique patient. In some instances, Dr. Ghim may recommend the addition of a separate therapist in order to help facilitate the best care possible. Dr. Ghim experienced various cultures growing up in different countries and environments, shaping her open-minded demeanor and views, and eventually her interest in the human mind and psychiatry. She earned her bachelor's degree in Molecular Biology with honors, and a Doctor of Medicine (M.D.) degree from the University of Central Florida College of Medicine. She completed her Adult Psychiatric Internship and Residency training in New York City, at the Mount Sinai Morningside and West Hospitals, where she treated a diverse patient population with psychiatric illnesses in emergency, inpatient, and outpatient settings. Dr. Ghim is currently licensed in and seeing patients located in the states of New York, Florida, and Texas for medication management.

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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Background and credentials

Dr. Seicarescu is a board-certified adult psychiatrist with over 12 years of experience. She received her medical degree from Carol Davila University of Medicine in Romania and completed her psychiatry residency at Wayne State University in Detroit. Following residency, she gained extensive clinical experience practicing psychiatry in diverse outpatient settings, including a multi-specialty center in North Dakota and community mental health centers in Ohio and Michigan. Dr. Seicarescu has also served as an assistant professor at the University of North Dakota and Michigan State University, where she taught and supervised medical students and residents.</p>

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Treatment approach

Dr. Seicarescu employs a collaborative, supportive, and patient-centered approach to psychiatric care, integrating medication management with therapy tailored specifically to each patient. She utilizes supportive therapy along with cognitive behavioral therapy (CBT), adjusted according to individual patient needs. Her specialty areas include the treatment of depression, bipolar disorder, psychotic disorders, PTSD, and a broad range of mental health conditions.</p>

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What you can expect in a first visit

Patients can expect an initial appointment with Dr. Seicarescu to include a thorough evaluation focusing on their unique psychiatric symptoms, personal experiences, and treatment goals. She offers a supportive and compassionate atmosphere, carefully combining medication management with individualized therapy recommendations. Her patient-centered approach ensures the creation of a personalized treatment plan to effectively address each patient’s specific needs.</p>

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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.</p>

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Dr. Richard Mullin brings over a decade of experience in outpatient psychiatric care, with prior roles providing treatment to juveniles in detention and adults in jail and prison systems across West Virginia. He completed his medical degree at the Joan C. Edwards School of Medicine at Marshall University and trained in psychiatry and child and adolescent psychiatry at West Virginia University. Dr. Mullin emphasizes the importance of truly listening, so patients feel seen and heard.

Dr. Mullin works collaboratively with his patients to identify their main concerns and to build a treatment plan that feels right for them. He believes treatment should be a shared process in which the patient is empowered and supported in their mental health journey.

Taking a "less is more" approach to medication, Dr. Mullin focuses on minimizing prescriptions while still addressing all of a patient’s needs. His goal is to help patients eventually rely more on therapeutic skills than medication. He views treatment as a partnership—balancing his expertise in psychiatry with each patient's lived experience.

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