Diane Lewis, 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. 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.

Dr. Michele Kerbow is a board certified psychiatrist with more than 20 years of clinical experience. She completed her undergraduate training at Clemson University before continuing to the University of South Carolina School of Medicine in Columbia, SC. From there, she completed her General Psychiatry Internship and General Adult Psychiatry Residency through the University of Virginia in Roanoke. Though she has a wide array of experience in psychiatric care and psychological assessment, Dr. Kerbow has a particular interest in the treatment of Veterans' issues and trauma. Her most recent work saw her caring for both Veterans and Active Duty military through the Fayetteville VA Medical Center in Jacksonville, NC and the Naval Hospital Jacksonville in Florida. She believes strongly in the interconnectivity of mental and physical health, especially as it relates to trauma. Patients seeking psychiatric assistance will find Dr. Kerbow to be an empathetic and approachable provider. She places an emphasis on the importance of both therapy and medication management in the treatment of mental health, and has a strong history of collaboration with therapists and counselors in order to enact the best treatment plan possible.

Dr. Schwartz is a board-certified Staff Psychiatrist at Talkiatry. He completed his residency at Bergen New Bridge Medical Center in Paramus, New Jersey, where he excelled in his leadership and knowledge, becoming the Chief Resident in just his third year of residency at the busiest outpatient behavioral health clinic in New Jersey. Upon completion of his third year of residency, he went on to become Chief Academic Resident of his program, which allowed him to bestow his knowledge of psychiatry on younger psychiatrists in training. After completing his residency in General Psychiatry, he went on to complete a fellowship in the prestigious Mount Sinai Health System in New York City, based primarily out of the Beth Israel location. During this fellowship he studied Consultation-liaison psychiatry, also known as psychosomatic medicine. It is an exciting subspecialty of psychiatry that focuses on the care of patients with comorbid psychiatric and general medical conditions. Consultation-liaison psychiatry deals with the understanding and advancement of medical science, education, and the provision of healthcare for medically ill and complex patients. Using his training, Dr. Schwartz can focus on using his extensive medication knowledge to help treat an array of psychiatric disorders. Despite medication management, he also works on a holistic approach to psychiatry, including working with the patient to get the proper therapy services when clinically indicated. During the initial interview, a thorough assessment is done, including any medical and psychiatric history, medications you may be currently taking, and supplements before any medication is dispensed. Using his knowledge in psychiatry and consult-liaison psychiatry, Dr. Schwartz's interests include depression, anxiety, ADHD, obsessive compulsive and related disorders, transgender patients on hormone therapies and post-surgical transition. He also has an extensive interest in medical illnesses with a psychiatric component such as cancer patients, transplant, HIV, and many others alike. He looks forward to working with you to enhance your emotional well-being.

Dr. Harmeeta Singh was born and raised in St. Louis, MO and is board certified with ABPN (American Board of Psychiatry & Neurology). Dr. Singh has been in practice for 15 years and focuses on an individualized treatment plan, not only using pharmacotherapy when needed, but also implementing insight-oriented, supportive, motivational, and brief psychotherapy. Dr. Singh is a firm believer in combining psychotherapy with medication management when warranted to manage and treat a wide variety of mental health conditions including, but not limited to - Depressive Disorders, Bipolar Disorders, Psychotic Disorders, Anxiety Disorders, Trauma related disorders, Substance use disorders, Personality disorders, Sleep Disorders and Eating Disorders. Her dynamic approach is client focused, involving the client throughout their treatment and care plan, taking careful consideration to the individual's needs and goals. ‍Upon completion of her residency through St. Louis University, St.Louis, Dr. Singh joined her parents' Internal Medicine practice. She learned firsthand that implementing mental health awareness, screening, and education into a primary medically focused practice led to more favorable outcomes. Many mental health conditions can manifest as and/or exacerbate a variety of medical/physical conditions and thereby go undiagnosed and untreated. Dr. Singh has worked closely and coordinated care within the medical field and with other specialists in treating and diagnosing comorbid mental health conditions. While in private practice for over 10 years, she was also an attending and consultant for inpatient mental health care and provided mental health services for residents in various residential care facilities, group homes, and skilled nursing facilities. Over the past 5 years she has consolidated her practice and presently is employed with Compass Health Network in Missouri helping bridge the gap in mental health care by coordinating and providing care to the underserved community.

Dr. Thomas O’Brien holds a Bachelor of Science degree from the University of Wisconsin–Madison and earned his medical degree from Midwestern University Chicago College of Osteopathic Medicine. He completed his psychiatry residency at Loyola University Medical Center. Dr. O’Brien has experience practicing across outpatient, PHP, IOP, and inpatient settings.

He strives to create a supportive environment where patients feel heard, respected, and understood. His approach emphasizes a holistic, whole-person method to healing, guided by the patient’s own goals and values. Dr. O’Brien integrates psychotherapy with medication management, drawing on his background in psychodynamic psychopharmacology and acceptance and commitment therapy.

Dr. O’Brien focuses on understanding each patient as a whole to create individualized treatment plans. This begins with a comprehensive history during the initial session to identify biopsychosocial factors. Treatment is then tailored to align with the patient’s unique goals and values, promoting meaningful progress.