Swagato Bhattacharyya, DO

Dr. Macdonnell is a double-boarded psychiatrist with over 25 years of experience in adult psychiatry and geriatric psychiatry. Dr. Macdonnell focuses on treating individuals with medication management. Supportive and interpersonal therapy is incorporated as needed. When additional therapy or longer sessions are necessary to enhance the individual's treatment, she invites a therapist to become a member of your care team. Dr. Macdonnell attended undergraduate school at Manhattan School of Music earning a bachelor's and master's degree in violin performance and musicology. She then attended the City University of New York � Hunter College campus majoring in premedical sciences. Dr. Macdonnell attended Albert Einstein College of Medicine in the Bronx, New York, earning a degree in MD. She completed an internship in internal medicine before entering psychiatry residency at New York-Presbyterian Hospital � Westchester Division. After completing her residency, she stayed for an additional year, completing a fellowship in geriatric psychiatry. She was promoted to Attending Psychiatrist and Unit Chief of the Geriatric Partial Hospital Program. After two years in academic psychiatry, she entered private practice in New York and Connecticut for 8 years. She then served 2 years in the National Health Service providing outpatient care to an underserved area in central Florida. Moving to Georgia, she has worked in private practice and academic psychiatry at Mercer University College of Medicine before moving on to Veterans' care at Atlanta VA and Carl Vinson VA Medical Center. While Dr. Macdonnell has a wide range of experience, she focuses on general adult psychiatry.

Dr. Corey Greenwald is a board-certified psychiatrist with years of experience treating patients in both acute inpatient psychiatric emergencies and outpatient medication and psychotherapy settings. He earned his medical degree from Brown University, completed his internship in the Columbia system, and pursued residency training at Mount Sinai Medical Center in New York City. Dr. Greenwald has practiced in academic, urban, suburban, and rural environments, which has given him broad perspective and adaptability in caring for diverse patient populations.

Dr. Greenwald emphasizes psychoeducation as a core part of care, ensuring patients are active participants in understanding and managing their mental health. He brings a deep interest in transcultural issues and in how social media and news cycles impact emotional well-being. Having witnessed the effects of mental illness within his own family, Dr. Greenwald approaches his work with empathy, insight, and a strong commitment to helping patients feel supported throughout their journey.

Dr. Greenwald works collaboratively with patients to define or clarify concrete treatment goals by the end of the initial appointment. He maintains a low threshold for revisiting and adjusting treatment plans if progress feels unsatisfactory, ensuring care remains flexible and effective. His informal, eclectic interpersonal style allows him to tailor his approach to each individual, fostering trust and partnership in the therapeutic process.

Dr. Debrey is board-certified in adult psychiatry. Her approach is client-centered, individualized, and collaborative. She focuses on building a strong therapeutic alliance with each client to work towards achieving enhanced functioning and meaning in their lives. She works with individuals experiencing a wide range of mental health concerns, including depression and other mood concerns, bipolar spectrum illnesses, OCD, PTSD, anxiety disorders, and substance use disorders. Though she specializes in medication management, she believes in an integrative and comprehensive treatment program that incorporates multiple aspects of an individual's health and wellness. Along with discussing physical health concerns, diet, exercise, personal connection, and stress management, she incorporates various therapeutic modalities, including CBT, DBT, ACT, and mindfulness, into her work. In some instances, Dr. Debrey may recommend more intensive psychotherapy with a collaborating therapist in order to help facilitate the best care possible. Dr. Debrey received her medical degree from Rush Medical College. She also holds a graduate degree in epidemiology from the Johns Hopkins Bloomberg School of Public Health. Following medical school, she completed her residency in psychiatry at Emory University School of Medicine. During her final year of residency, she served as chief resident at Grady Memorial Hospital. Prior to joining Talkiatry, Dr. Debrey was an assistant professor at Emory University Department of Psychiatry, where she worked as an attending psychiatrist at Grady Behavioral Health. While at Grady, Dr. Debrey worked primarily as a community psychiatrist with a focus on working with individuals experiencing psychosis. She also frequently worked on the inpatient psychiatry service at Grady. As an Emory faculty member, teaching and mentorship were an especially meaningful part of her work.‍

Dr. Panchal is a board-certified adult psychiatrist who works with motivated adults to navigate and discover the root of their mental health struggles. Since working in private practice, Dr. Panchal knows that discovering the root of difficulties allows clients to find healthy perceptions of themselves and strengthen their relationships so they can know themselves as a whole. She is trained in multiple therapeutic modalities as well as medication management, implementing individually tailored treatment. Her educational background includes training in psychodynamic psychotherapy with the Psychoanalytic Association of New York. She has completed her psychiatry training at Delaware Psychiatry Residency Program in New Castle, Delaware.

Dr. Maralys Colón is a board-certified psychiatrist. She graduated from the University of Puerto Rico School of Medicine, and she completed a subspecialty in Forensic Psychiatry at the University of Tulane. Dr. Colón is keen in involving and guiding her patients in their treatment; she believes that patients benefit from taking an active role in their care. Dr. Colón specializes in psychopharmacology, tailoring the medication to your needs and preferences. She has experience in treating patients with depression, anxiety, PTSD, OCD, bipolar and psychotic disorders. Her practice focuses on medication management in conjunction with techniques from cognitive behavioral therapy and supportive therapy. Her years of experience include working as an inpatient psychiatrist, an intensive outpatient program, and consultation and liaison. She has helped train physician assistants at Valparaiso University, helping expand the knowledge of future providers. Dr. Colón is looking forward to working with you to improve your mental health and quality of life.

Dr. Siera Kirkland is an adult general psychiatrist. She is a diplomate of the American Board of Psychiatry and Neurology. She has been practicing for 8 years. Dr. Kirkland focuses on collaborative and evidence-based care. She believes it is imperative to form a therapeutic relationship with each individual and work together as a team to formulate the best treatment plan. Her passion is to educate, empower, and support. She specializes in medication management and brief psychotherapy .Dr. Kirkland received her medical degree from Ross University School of Medicine. She completed her residency at The Cleveland Clinic Akron General and Summa HealthSystem in her hometown of Akron, OH. Upon completion of residency, she relocated to Charlotte, NC to start her career as the Lead Psychiatrist at Novant Health Psychiatric Associates- Matthews. Dr. Kirkland has experience in treating various patient populations. Her areas of focus have been perinatal and postpartum depression and anxiety. She has also worked with adults with co-occurring substance use disorders. Special interests include women's health and minority mental health disparities.‍For established patients of Dr. Kirkland, call 917-634-5311 to schedule an appointment and let the care coordinator know you are an established patient.