Celeste Boyd, PMHNP

Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focuses on medication management. She believes that the support and involvement of the family are an integral part of the treatment of the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic, working closely with residents, child fellows, and other trainees. She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic and had a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of "in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.‍

Dr. Peckover is a Staff Psychiatrist at Talkiatry. He is certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. He has been practicing for three and a half years. Dr. Peckover provides patient-centered care with an emphasis on medication management, psychoeducational, and lifestyle adjustments. He typically provides supportive or integrative therapy along with medication management, but some cases will require the addition of a therapist to the treatment team. Dr. Peckover received a Bachelor's of Medical Science from the University of Western Ontario in Canada and received his Medical Degree from Ross University. He completed his residency at Metropolitan Hospital in Manhattan, where he served as chief resident in his final year. He then worked as a psychiatrist in the outpatient department at Kings County hospital, where he also supervised residents from SUNY Downstate. As an outpatient psychiatrist, Dr. Peckover has an extensive history of treating patients of all ages with a wide variety of psychiatric disorders, with an emphasis on mood and anxiety disorders. He treated patients remotely during the COVID-19 outbreak, helping to manage the increase in stress that came with the pandemic.

Dr. Patricia Michel-Garrison is a board-certified psychiatrist by the American Osteopathic Board of Neurology and Psychiatry (AOBNP) with over a decade of experience in inpatient psychiatry. She completed her undergraduate training in Chemistry in Florida, having moved there from Chicago in 2000, followed by medical school at the Lake Erie College of Osteopathic Medicine (LECOM). She completed her residency in Psychiatry in Largo, Florida. Dr. Michel-Garrison specializes in treating adults aged 18 and over, addressing a wide range of psychiatric conditions including anxiety, mood disorders, and personality disorders. She is known for her holistic approach, integrating both traditional and osteopathic principles to provide comprehensive care. Her treatment style is patient-centered, emphasizing individualized care plans tailored to each patient's unique needs. Dr. Michel-Garrison fosters a collaborative therapeutic relationship, promoting open communication and trust with her patients. Throughout her career, Dr. Michel-Garrison has remained committed to staying current with the latest advancements in psychiatric care. She is dedicated to helping her patients achieve optimal mental health and well-being through a combination of evidence-based practices and empathetic support.

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.

Jennifer Young-Cott is a dedicated Psychiatric Mental Health Nurse Practitioner who brings compassion, warmth, and a strong commitment to patient well-being into her work. With a deep respect for each individual’s story, she values creating a safe, supportive, and healing environment. Outside of clinical practice, Jennifer enjoys learning Spanish and spending time hiking with her dog, Mavis—interests that help her maintain balance and bring a holistic perspective to care.

Jennifer approaches care through a collaborative, patient-centered lens. She believes trust, confidentiality, and open communication are essential to effective treatment. With extensive experience in both inpatient and outpatient psychiatry, she brings expertise in trauma, mood disorders, anxiety, and thought disorders while remaining attentive to each patient’s unique needs and goals.

Jennifer begins by listening carefully and gathering a thorough history to understand each patient’s challenges and strengths. She partners with patients to develop individualized treatment plans using current, evidence-based interventions. Her process emphasizes empathy, collaboration, and ongoing support to promote long-term mental health and overall well-being.

Dr. Mary O'Malley is board certified in Adult Psychiatry and Sleep Medicine. She received her medical degree from Weill Cornell Medical School and PhD in Neurobiology from The Rockefeller University. She completed her Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. In her psychiatric practice, Dr. O'Malley uses an integrative approach to health, combining evidence-based concepts in neurobiology with psychological, social and spiritual/existential worldviews to understand and treat every patient. Her primary practice is medication management. She also integrates elements of psychotherapy into her work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, she incorporates wellness tools into visits, such as mindfulness exercises and sleep management strategies. If she believes that additional psychotherapy is needed, she will recommend that you add a therapist to your care team. Dr. O'Malley has extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. She has always had an inclusive practice and welcomes people who identify as LBGTQIA+. As part of her own life path she became an Interfaith Minister and enjoys including spirituality and the supportive role it can play in healing for her patients. Her primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. She enjoys working with people facing life transitions, especially older adults and women who are struggling with mental health challenges related to pregnancy and post-partum health. Prior to joining Talkiatry, Dr. O'Malley was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. She was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School. She has published and presented widely on topics related to Wellness in Psychiatry, Ethics and Sleep Medicine. She is an advocate for finding your voice in medical decision-making and enjoys using sound healing for relaxation and stress management.