Skip to main content

Matthew Koller, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Postpartum Depression
Geriatric

Education and training

•  University of Texas at Austin, BS

•  University of Texas, San Antonio, MD

•  Baylor College of Medicine, Residency

Get to know

Matthew Koller, MD

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.

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.

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.

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.

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Bryce Toburen, MD

Staff Psychiatrist

Dr. Bryce Toburen is a board-certified psychiatrist dedicated to compassionate, collaborative care across the lifespan. His training includes an MD from the Medical College of Wisconsin, residency at The Ohio State University where he served as Chief Resident, and a fellowship in Child & Adolescent Psychiatry at Nationwide Children's Hospital. Outside the clinic, he enjoys sports, tennis, exploring nature, traveling, and spending time with loved ones.

Each patient brings a unique story, and he strives to create a safe, respectful space where you feel heard and supported. His interest in psychiatry stems from a desire to maximize the well-being of patients and their families through strong therapeutic relationships. Compassion and curiosity guide his work, along with a strong belief in the power of connection and collaboration. You can expect open communication and a focus on your personal goals throughout your time together.

Treatment is personalized using evidence-based approaches that include psychotherapy, medication management, and lifestyle strategies. He specializes in addressing anxiety, depression, ADHD, OCD, and trauma-related concerns. Collaboration and trust are central to his approach, with an emphasis on empowering patients to take an active role in their healing and well-being.

John Bardugon, MD

Staff Psychiatrist

Dr. Bardugon is a board-eligible psychiatrist who specializes in the treatment of adults. He has experience in treating patients with various forms of depression and anxiety, bipolar disorder, OCD, ADHD, PTSD, and substance use disorders. He seeks to provide a safe, non-judgmental, gender affirming space for patients as they strive to lead a happier, more contented life. After a pediatrics residency, Dr Bardugon worked for 13 years as a pediatric ER physician. His interest in psychiatry was piqued during this time as he witnessed the emergence of a child and adolescent mental health crisis. While ultimately deciding to focus his efforts on the treatment of adults, Dr Bardugon is keenly aware of the influence of child development and family systems on the behavioral health of adults. Dr Bardugon employs a holistic, multimodal treatment approach. Aiming to treat the whole person, he stresses the importance of nutrition, exercise, and sleep. Dr Bardugon believes an informed patient actively engaged in decision making surrounding treatment has the best chance of effecting lasting change. Believing in the synergistic effect of talk therapy and medication, he incorporates one or more talk therapy techniques including motivational interviewing, cognitive behavioral therapy, and supportive and psychodynamic psychotherapies into most sessions. He often recommends formal participation in some form of talk therapy and is happy to collaborate with other providers.

Tanvi Gupta, DO

Staff Psychiatrist

Dr. Tanvi Gupta, a native Marylander who recently finished her fellowship training in Child and Adolescent Psychiatry from the University of Maryland. She completed her residency in general psychiatry from San Antonio, Texas and is a Board Certified Psychiatrist. Prior to training, Dr. Gupta attended medical school at Touro College of Osteopathic Medicine in in New York. She also holds a master's in biomedical science from Rutgers University in New Jersey and a bachelor's in public health from the University of Maryland. She is on the Early Career Psychiatrist Committee for the Child and Adolescent Psychiatrists of Greater Washington Area. Dr. Gupta has worked in various settings, ranging from academic centers, schools, state hospitals and residential treatment centers. She also provided medication management and therapy to Medicaid patients in an outpatient setting, delivering care to children and adolescents with various mental health disorders. Dr. Gupta has experience in Emergency Psychiatry as well.

Dr. Gupta greatly values connecting with her patients. She is gentle yet direct in her approach. She uses a shared decision-making process to design a treatment plan that align with her patient’s goals. Dr. Gupta provides psycho education for diagnoses and medication recommendations. She has a special interest in ADHD and trauma. She appreciates a family-based approach.

Dr. Gupta uses a comprehensive biopsychosocial evaluation, psychotherapy and medication management to treat a variety of mood disorders, anxiety disorders, as well as ADHD. Dr. Gupta promotes non-pharmaceutical interventions, when appropriate, with patient-oriented lifestyle and behavioral modifications.

Komal Shah, MD

Staff Psychiatrist

Dr. Komal Shah, M.D. is double board certified in adult & geriatric psychiatry. She did her residency at Nassau University Medical Center, New York & then did fellowship in geriatric psychiatry at LIJ-Albert Einstein school, New York. She has been practicing psychiatry for over 25 years.  

Dr. Shah has extensive experience in evaluating & managing a variety of psychiatric disorders such as mood disorders, anxiety disorders, psychotic disorders, dementia, etc. She held an academic position as a clinical assistant professor at Rutgers-UBHC for several years. Dr. Shah has worked in various clinical settings including inpatient, outpatient clinics, partial hospital programs, nursing homes, thus serving vast variety of patient populations. She has also volunteered her services at NAMI (National Alliance for mental illness)-SAMHAJ to create & promote awareness of mental health issues in the community. All this makes her a very well experienced & efficient psychiatrist.  

Dr. Komal Shah believes in creating a strong therapeutic alliance first with her patients based on mutual trust & honesty. Her primary modality of treatment is medication management, but she may also provide supportive psychotherapy and education, practicing evidence-based medicine. Dr. Shah likes to collaborate patient care with their medical providers and/or therapist.

Pressley Warrick, MD

Staff Psychiatrist

Dr. Pressley Warrick is a double board-certified psychiatrist specializing in general psychiatry and child and adolescent psychiatry. Dr. Warrick currently practices full-time, offering comprehensive psychiatric care to children, adolescents, and adults. She previously established and led a Behavioral Health Clinic integrated within a Family Medicine Practice. Prior to this role, Dr. Warrick provided dedicated psychiatric care at a private psychiatry practice for over a decade.

Dr. Warrick earned her medical degree from the Medical University of South Carolina, completed residency training at Baylor College of Medicine's Menninger Department of Psychiatry and Behavioral Sciences, and pursued additional specialization through a Child and Adolescent Psychiatry fellowship at Palmetto Health/USC School of Medicine.

Known for a collaborative and holistic treatment approach, Dr. Warrick emphasizes individualized care and evidence-based practices to support patients’ mental wellness. Her professional excellence has earned recognition as Sumter’s Best Psychiatrist for consecutive years.

Dr. Warrick’s preferred treatment modalities include medication management, psychodynamic psychotherapy, and supportive psychotherapy. She specializes in treating depression, anxiety, ADHD, autism, OCD, bipolar disorder, and PTSD. Her typical approach for new patients involves taking a detailed patient history, establishing rapport, and setting clear treatment goals in partnership with her patients.

Maria Carvajal-Ramirez, MD

Staff Psychiatrist

Dr. Maria Teresa Carvajal is an adult, child, and adolescent psychiatrist. She is originally from Guayaquil, Ecuador, and is bilingual in Spanish and English. Dr. Carvajal earned her medical degree from Universidad de Guayaquil in Ecuador. She then participated in a medical program at The William J. Harrington Training Program for Latin America and the Caribbean, at Jackson Memorial Hospital, an affiliate of the University of Miami in Florida. Afterwards, she completed her adult psychiatry residency at Icahn School of Medicine at Mount Sinai, Bronx Care Health System, and her fellowship in child and adolescent psychiatry at Northwell Health in New York. She has experience working in various settings, including inpatient, outpatient, and emergency departments. Dr. Carvajal has submitted and presented work to the American Psychiatric Association and has also collaborated on a book publication. Dr. Carvajal has experience treating children and adults with anxiety, depression, OCD, PTSD, ADHD, dementia, etc. She utilizes medication management in conjunction with emotional and supportive therapy in 30-minute follow-up visits. She is passionate about her work and understands the impact of mental illnesses in daily life activities and in the family system. She will work with each patient in an individualized manner and will tailor personalized treatment plans that may include pharmacological treatment. In addition, Dr. Carvajal may recommend including a therapist in your care team to provide the best outcome.‍

Ready to get matched?

Start our short assessment
Specialties
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Postpartum Depression
Geriatric
States
Texas
Utah
Languages
English
Takes insurance
Virtual visits
1 years experience