Jessica Matthews, MD

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Gerald Matthews, MD

Staff Psychiatrist

Background and credentials

Dr. Gerald Matthews is a board-certified adult psychiatrist. He earned his medical degree from the University of Louisville School of Medicine in Louisville, KY. Following medical school, he entered active duty service in the U.S. Army, where he completed his psychiatry residency at Tripler Army Medical Center in Honolulu, HI. After completing his training, he practiced as a staff psychiatrist at Fort Hood, TX, fulfilling his service obligation.

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Treatment approach

Dr. Matthews specializes in medication management, working primarily with adult patients in an outpatient setting. While his primary focus is pharmacological treatment, he frequently collaborates with therapists to provide comprehensive care when indicated. He has extensive experience treating civilians, active-duty military personnel, and veterans, addressing conditions such as mood and anxiety disorders, psychosis, and trauma-related disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation where Dr. Matthews takes time to understand their history, symptoms, and treatment goals. He provides a structured yet compassionate approach to care, discussing medication options and potential therapeutic interventions. For patients who may benefit from additional therapy, he collaborates with therapists to ensure a well-rounded treatment plan tailored to each individual's needs.

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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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Kaycia Vansickle, MD

Staff Psychiatrist

Background and credentials

Dr. Vansickle is a board-certified adult psychiatrist with over 25 years of clinical experience. She earned her medical degree from the University of Texas Health Sciences Center San Antonio and completed her internship at UAB. She then completed her psychiatry residency at the University of Louisville Hospital, where she served as chief resident and received a national award in community psychiatry. Throughout her career, she has worked in both inpatient and outpatient settings as a staff psychiatrist, primarily in Texas and Alabama.

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Treatment approach

Dr. Vansickle places a strong emphasis on establishing trust and building therapeutic relationships to help patients achieve their goals. Her practice focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. If she believes additional therapy would be beneficial, she may recommend that patients work with a therapist as part of their care team. She has extensive experience treating patients in various settings, including community mental health centers, VAMC-affiliated clinics, and hospital-based psychiatric units. She also has expertise in psychiatric consultations for medically ill patients, as well as guardianship and competency evaluations.

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What you can expect in a first visit

Patients can expect a thorough initial evaluation, where Dr. Vansickle takes the time to understand their symptoms, history, and treatment goals. She provides a structured yet compassionate approach to care, ensuring that each patient feels heard and supported. Follow-up visits typically last 30 minutes, during which she monitors progress and adjusts treatment as necessary. If additional therapy is needed, she collaborates with therapists to ensure comprehensive care tailored to each patient’s needs.

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Why Talkiatry?

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Matthew Koller, MD

Staff Psychiatrist

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?

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Ronald Moruzzi, DO

Staff Psychiatrist

Dr. Moruzzi is board certified and completed his residency at Tripler Army Medical Center in 2000. He served as an Army Psychiatrist for a total of 24 years providing specialty care to active duty service members and their families. During this time, he has served in multiple roles, including but not limited to section leader, service chief, consultant, and department chiefs at multiple duty stations. He also served as the senior psychiatrist and officer in charge for two combat deployments in 2002-2003 and 2009-2010. He specializes in treating Mood, Anxiety, PTSD, and Sleep disorders. Throughout his 28-year career, Dr Moruzzi has remained actively involved in teaching psychiatry residents, psychiatric nurse practitioners, physician assistants, and medical students. Dr. Moruzzi retired from the Army in the summer of 2020 and for the past 4 years has been working as a staff psychiatrist at Northern Arizona University (NAU). Here he provided specialty care to NAU undergraduate and graduate students as well as to faculty, staff, and their family members. He provides supportive and educational therapy and as needed will utilize lifestyle skills integration (i.e. sleep, outdoor time…) to help patients reduce their primary stressors. He believes in taking a holistic approach to leverage non-medication interventions along with medication management to obtain the best outcome for his patients.

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Kristina Schnitzer, MD

Staff Psychiatrist

Background and credentials

Dr. Kristina Schnitzer is a board-certified psychiatrist. She earned her medical degree from the New York University School of Medicine and completed her residency in Adult Psychiatry at the Massachusetts General Hospital/McLean Adult Psychiatry Residency Program. She further specialized by completing a one-year clinical and research fellowship in Public and Community Psychiatry through Massachusetts General Hospital and the Massachusetts Department of Mental Health. In addition to her medical training, she holds a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. She has over three years of experience practicing psychiatry across inpatient, emergency, and outpatient settings.

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Treatment approach

Dr. Schnitzer focuses on medication management as the foundation of her treatment approach, typically combining it with supportive or emotionally focused therapy during 30-minute follow-up visits. She takes a collaborative and individualized approach to patient care and, when needed, may recommend additional therapy by integrating a therapist into the care team to ensure the best possible outcomes. She has experience treating a broad range of psychiatric disorders in various clinical settings.

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What you can expect in a first visit

Patients can expect a thorough and structured evaluation in their first visit, where Dr. Schnitzer carefully assesses their symptoms, medical history, and treatment goals. She emphasizes open communication and collaboration, ensuring that patients are fully involved in shaping their treatment plans. Follow-up visits typically last 30 minutes, during which she monitors progress, adjusts treatment as needed, and may recommend additional therapeutic support for comprehensive care.

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Why Talkiatry?

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Miranda Morgan, DO

Staff Psychiatrist

Dr. Miranda Morgan is a board-certified psychiatrist licensed in New York and Texas. She is a Diplomate of the American Board of Psychiatry and Neurology and a member of the American Psychiatric Association. She earned her undergraduate degree in Psychology from The University of Texas at San Antonio and her medical degree from the Alabama College of Osteopathic Medicine. She completed her residency in psychiatry at Texas A&M University - Temple/Baylor Scott & White Hospital, where she was Recruitment Chief Resident.

Dr. Morgan is passionate about collaborative care and telemedicine, and has held positions in primary care mental health and collaborative care settings. She previously worked as staff psychiatrist at the Department of Veterans Affairs, and held an academic appointment as Clinical Instructor for the Department of Psychiatry at New York University Grossman School of Medicine.

Dr. Morgan describes her practice style as, “patient-centered, compassionate care tailored to each individual's unique mental health needs. As a psychiatrist, I am dedicated to helping my patients overcome their mental health challenges and achieve their goals.

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Other Clinicians

Miranda Brumber, LMHC

Staff Licensed Mental Health Counselor

Miranda Brumber is a licensed clinical mental health counselor with extensive experience working in the mental health field. Miranda has worked directly with clients of various demographics, living with a variety of mental health conditions. Miranda attended undergraduate school in Albany, NY, graduate school in Oswego, NY, and attended an internship abroad in London, UK; she continues to travel and obtain knowledge through these experiences. Miranda has been practicing for 3 years as a Clinical Mental Health Counselor, focusing on mood disorders and chronic challenges including health and physical ailments, which may hinder daily life. Working with Miranda, treatment is tailored to the individual, as great effort is put into choosing the treatment modality that fits the individual's personal struggles. Miranda uses an eclectic approach with a foundation in cognitive behavioral therapy and rational-emotive behavioral therapy, which are intertwined with mindfulness stemming from her personal practices with yoga and meditation.

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Divya Khosla, MD

Staff Psychiatrist

Dr. Divya Khosla, MD, is a double board-certified Child, Adolescent, and Adult Psychiatrist. She received her undergraduate degree from Case Western Reserve University in Cleveland, Ohio, and her medical degree from Ross University, completing all of her clinicals in Maryland, D.C., and NYC. She completed her adult psychiatry residency at The Ohio State University in Columbus, Ohio. Then she returned to the east coast, where she completed her child and adolescent psychiatry fellowship at Nassau University Medical Center in East Meadow, New York. Dr. Khosla has participated in a variety of innovative academic clinical research, and has presented research at annual national meetings of the American Psychiatric Association. Her robust clinical experience with varying demographics at different clinical sites around the country has allowed her to treat patients in an evidence-based way, tailoring treatment to an individual's specific needs. Although Dr. Khosla's practice focuses on medication management, she also implements supportive therapy and motivational interviewing in sessions to allow for a more comprehensive approach to treatment. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, and ADHD.

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Danielle Jackson, MD

Staff Psychiatrist

Dr. Danielle Jackson is a board certified Adult Psychiatrist by the American Board of Psychiatry and Neurology. She is a graduate of Yale University's Psychiatry Residency and Howard University College of Medicine. Dr. Jackson's practice focuses on a combination of psychopharmacology (medication) and psychotherapy techniques including supportive therapy, motivational interviewing and cognitive behavioral therapy. She approaches care from an individualized, patient-centered, collaborative perspective. She often integrates evidence-based lifestyle recommendations in areas such as nutrition, sleep hygiene, exercise, and stress management tools in treatment to help patients achieve their wellness goals. Her interests include adjustment disorder, mood disorders, anxiety disorders, ADHD and trauma-related disorders. In addition, she enjoys helping patients navigate the challenges that can accompany changes in life (careers, parenthood, relationships, chronic illness). Prior to joining Talkiatry, Dr. Jackson served as medical director for substance use and co-occurring disorders at Sunset Terrace Family Health Centers at NYU Langone. She has experience caring for a diverse patient population including those with perinatal mood disorders (postpartum anxiety/depression), substance use disorders and those from minoritized and marginalized communities.

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Luis Espinosa, MD

Staff Psychiatrist

Dr. Luis Espinosa holds the position of adult psychiatrist with Talkiatry. His practice focuses on medication management, and typically offers this in conjunction with supportive therapy in 30-minute follow-up visits. Dr. Espinosa's approach is holistic. Each patient's care is driven by their unique goals and values, whether they suffer from depression, anxiety, trauma, and stress-related disorders, or obsessive-compulsive disorders. Dr. Espinosa believes in serving patients by combining therapy with medication to provide an experience that is both therapeutic and informative and allows patients to guide their own outcomes in a supportive space. Dr. Espinosa completed his undergraduate studies in philosophy at the University of Florida as the 2013 Ellen Haring Award winner. He was then honored as a Docherty Foundation Scholar to attend the University of South Florida Morsani College of Medicine. He pursued his specialty training in psychiatry at Kaiser Permanente Northern California. Dr. Espinosa believes in a treatment modality that combines wellness of mind and body to help individuals who are suffering achieve their potential.

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Tara Thompson-Felix, MD

Staff Psychiatrist

Dr. Tara Thompson-Felix is a board-certified child, adolescent and adult psychiatrist. Dr. Thompson-Felix has specialized training in perinatal mental health and believes that improving outcomes during pregnancy and the postpartum period has a long-lasting impact on outcomes for a mother and child. She also specializes in treating a wide array of psychiatric conditions affecting children, adolescents, and young adults. Dr. Thompson-Felix's journey into medicine started in her undergraduate studies at Rutgers University. She earned her medical degree at Rutgers, Robert Wood Johnson Medical School and trained in adult psychiatry at Temple University Medical School. She completed her child and adolescent psychiatry fellowship at Yale School of Medicine. In addition to her clinical work, Dr. Thompson-Felix has extensive research experience in using neuroscience to understand the impact of maternal mental health on child development. She has authored several publications, presents her work nationally/internationally, and received numerous awards for her clinical work, research, and passion for teaching. Dr. Thompson-Felix believes that trust, communication, and respect between a patient and their physician is the foundation of effective treatment. Her style is welcoming, nonjudgmental, and collaborative. She evaluates mental health based on biological, psychological, and cultural aspects. She uses evidence-based treatments to manage psychiatric symptoms and promote optimal health.

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Swarnalata Debbarma, MD

Staff Psychiatrist

Dr. Debbarma is double board certified in General Psychiatry and Addiction Medicine. Dr. Debbarma is also certified in mindfulness therapy. Prior to joining Talkiatry, Dr. Debbarma worked as an attending psychiatrist and teaching faculty member in an academic hospital. She has experience of managing diverse patients ranging from chronic severe mental illness, dual diagnosis patients, crisis management, and a high functioning outpatients population. Dr. Debbarma is an International medical graduate from India with postgraduate training in Psychiatry and Family Medicine. To better understand public health and preventive care in the USA, Dr. Debbarma pursued an advanced degree in Master of Public Health from Thomas Jefferson University, Philadelphia. Due to interest in global health, Dr. Debbarma worked as a post-doctoral fellow in Global Health at Rutgers University. Dr. Debbarma completed psychiatry residency from Cooper University Hospital and served as a chief resident. Dr. Debbarma has diverse experiences in health care. Prior to moving to the USA, she worked as a medical officer in the government hospital system. Dr. Debbarma has years of experience in treating patients from different cultural and religious backgrounds. As an individual, Dr. Debbarma is intrigued by the human mind and behavior, and that's why she chose to specialize in psychiatry. She focuses on "wholeness" by understanding the whole person not just their symptoms. Her treatment approach includes a bio-psycho-sociocultural model and patient-centered care. She offers medication management and supportive therapy. Based on clinical needs, Dr. Debbarma also incorporates CBT, mindfulness, and MI. Dr. Debbarma has a special interest in women's mental health and cultural psychiatry.

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Jessica Matthews, MD

Education and training

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