Christa DeFries, MD

Dr. Buonopane is Board Certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. She obtained her medical degree with Laude from the University of Rome, La Sapienza, and completed her residency in Psychiatry from Yale School of Medicine. Dr. Buonopane has extensive experience in psychopharmacology and offers state-of-the-art medication management with compassion and empathy. She practices a holistic approach, combining psychiatric medications with elements of psychotherapy and mindfulness. She offers individualized and comprehensive treatment plans which address the whole person, including lifestyle and social engagement, because the latest research findings show that both play an important role in mental and physical health. Education on mental illness and recommendations on diet and exercise are always discussed with the patients, according to the individuals' needs. Dr. Buonopane spends time listening to patients and makes plans based on clinical evidence without an authoritative approach, taking into consideration the patient's level of comfort and views because, in her experience, the best outcomes are always reached when patients fully understand and agree with the management of their conditions. Dr. Buonopane has been in practice for more than twenty years and has extensive experience in general Adult Psychiatry with a focus on mood disorder and anxiety. She has been leading clinical programs and teaching medical students, residents, and fellows in psychiatry and addiction in various clinical settings, such as private institutions and universities, including Yale School of Medicine. Prior to joining Talkiatry, Dr Buonopane had her own in-person clinical services for over ten years and telehealth services over the past four years, treating patients suffering mainly from depression, bipolar disorder, and anxiety. When working in private practice, Dr Buonopane received the Compassionate Doctor Recognition (Vitals) and the Patient's Choice Awards (Vitals), both based on patients' reviews.

Dr. Alejandra Cattan is a bilingual psychiatrist who delivers care in English and Spanish. She went to medical school in Buenos Aires, Argentina, and completed her psychiatry residency at Bronx Care Health system. She then completed additional training in Psychodynamic Psychotherapy at NY Medical College Psychoanalytic Institute. After completing residency, she worked as an attending psychiatrist in New York and later transitioned to dedicated outpatient work. Dr. Cattan brings exceptional care to her patients. She provides supportive psychotherapy and applies psychodynamic psychotherapy skills to discover the root of their suffering, in conjunction with medication management resources. Dr. Cattan believes in a biopsychosocial model to address her patients' issues. Her areas of expertise include medication management, mood disorders, anxiety disorders, bipolar disorder, PTSD, and substance use disorders.

Surya Sabhapathy, MD, MPH is a board-certified adult psychiatrist based in Chicago, IL. They earned their medical and public health degrees from the University of Michigan, then completed residency training at the University of Illinois - Chicago. They served on the UIC faculty as an attending psychiatrist for several years before joining Talkiatry.

Dr. Sabhapathy is an experienced general psychiatrist specializing in LGBTQ+ and women's mental health. They previously directed UIC's psychiatric Gender and Sexuality Clinic, providing LGBTQ+ affirming care with an emphasis on support for gender-expansive patients. They have contributed to the National Curriculum on Reproductive Psychiatry, and continue to manage mental health issues during pregnancy and postpartum. Their other clinical interests include PTSD, ADHD, co-occurring medical conditions, and culturally sensitive care.

Dr. Sabhapathy values warmth, curiosity, and shared decision-making. Initial sessions focus on comprehensive psychiatric evaluation and understanding individual goals. From there, Dr. Sabhapathy works with patients to develop treatment plans that may combine medication management, supportive therapy, and positive lifestyle changes.

Maegan Roberts, PMHNP, earned her MSN from Indiana University School of Nursing and her BSN from the University of Evansville. She worked as a Registered Nurse in inpatient psychiatry for five years before transitioning to outpatient care as a psychiatric nurse practitioner in 2017. Maegan has experience treating patients across the lifespan, from school-aged children to older adults. She is especially attuned to the challenges of young adulthood, parenting, and navigating complex family dynamics. Committed to lifelong learning, she values the insights and perspectives her patients bring to their care.

Maegan creates a therapeutic environment grounded in dignity, empathy, and respect. She empowers patients through education about diagnoses, symptoms, and medications while promoting autonomy and informed decision-making. Her approach blends psychopharmacology with supportive therapy, skill-building, and sustainable lifestyle strategies, helping patients build insight and resilience.

In the initial appointment, Maegan takes time to understand each patient’s history, concerns, and goals. From there, she collaborates with patients to create and adapt treatment plans that align with their evolving needs, always keeping the individual’s unique context and aspirations at the center of care.

Dr. Sheena Dohar is a board certified general psychiatrist. Before joining Talkiatry, she practiced extensively in community mental health with adults of all ages in both outpatient and inpatient settings and as the medical director of several intensive outpatient and dialectical behavioral therapy (DBT) based programs. She has experience in private practice and in the dual diagnoses of mental health and substance abuse disorders. Dr. Dohar graduated from Carnegie Mellon University with a Bachelor of Science in Biology and Psychology and then completed medical school at West Virginia University School of Medicine. She trained during her residency at WVU, where she served as a chief resident and received the Brandon K. Fuller Award for Physician Empathy in 2017. Dr. Dohar's practice focuses on medication management. Her goals include helping people feel comfortable seeking treatment as well as promoting an understanding of the purpose and reasoning behind the use of various medications to treat psychiatric disorders. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. When Dr. Dohar may believe that additional therapy is also needed, she will ask that you bring a therapist into your care team to provide the best outcome. Dr. Dohar appreciates and values working with therapists within the Talkiatry practice and in the community in a collaborative effort to promote wellness. She strives to build strong therapeutic relationships with the people that she sees in her practice. Her passions include working in the community at large to encourage a better understanding of mental health disorders and to promote suicide awareness and prevention. She has interests in pharmacogenomics as well as treatment resistant approaches to depression. Dr. Dohar appears in several professional publications.‍

Dr. Andrew Miller is a board-certified psychiatrist with extensive experience treating patients across Indiana. He earned his undergraduate degree in Biology with a minor in Chemistry from Indiana University, followed by his Doctorate of Medicine and residency training in psychiatry. He went on to complete a fellowship in child and adolescent psychiatry and maintains active involvement in professional organizations, including serving as past president of the Indiana Council of Child and Adolescent Psychiatry. Outside of medicine, Dr. Miller values time with his wife and two children and enjoys sports, Lego building, and supporting Indiana athletics.

Dr. Miller believes in building a collaborative therapeutic relationship grounded in respect and open communication. He strives to create a safe, supportive environment where patients of all ages—children, adolescents, and adults—feel heard and understood. He works to balance medical expertise with patient preferences, encouraging shared decision-making and honoring each individual’s goals in treatment.

Dr. Miller begins with a thorough evaluation to gain a complete understanding of each patient’s history, strengths, and challenges. From there, he develops a personalized treatment plan that may include therapy, medication management, and integration of other supportive resources. He is committed to ongoing follow-up, adjusting care as needed, and helping patients move toward lasting improvement in their mental health and overall well-being.