Kerry O'Leary, MD

Dr. Justine Sever Chilelli, DO, earned her medical degree from the Lake Erie College of Osteopathic Medicine and completed her psychiatry residency and child and adolescent fellowship at the University of South Florida. She is board certified in General Psychiatry and Child and Adolescent Psychiatry. Her experience includes treating children, adolescents, and adults across outpatient, inpatient, consultation-liaison, school-based, and residential settings.

Dr. Chilelli values a collaborative, team-based approach where she and her patients work together to build a treatment plan. She emphasizes open and honest communication, aiming to improve quality of life and reduce the impact of mental health symptoms.

In the initial appointment, Dr. Chilelli focuses on understanding each patient’s history, concerns, and goals. She then develops individualized treatment plans that align with those goals, ensuring care that is thoughtful, supportive, and tailored to each patient’s needs.

Dr. Cindy Rossetti is board certified in Adult Psychiatry. She has been practicing for over 13 years. Dr. Rossetti received her medical degree from The University of Arkansas for Medical Sciences in Little Rock. She completed her general psychiatry residency at the University of Kentucky in Lexington where she was chief resident. She worked at Eastern State Hospital in Kentucky treating severe and persistent mental illness. She spent most of her post-graduate time providing outpatient care in a rural and underserved area of Arkansas. Dr. Rossetti offers both medication management and therapy together in 30- and 45-minute follow-up visits. Dr. Rossetti enjoys treating adults of all ages. Her areas of interest include ADHD, Depression, Anxiety, and Autism in adults. She enjoys addressing areas such as personal growth, stress management and self-care. Her treatment is patient-centered and geared toward individual healing and wellness.

Dr. Jessica Marz is a board-certified psychiatrist who completed her undergraduate studies at the University of Florida and earned her medical degree from the Florida State University College of Medicine. She went on to complete her psychiatry residency at the University of Florida College of Medicine Jacksonville. Dr. Marz treats adults experiencing a variety of mental health concerns, including anxiety, depression, PTSD, OCD, ADHD, bipolar disorder, and adjustment-related challenges.

Dr. Marz is a compassionate and thoughtful psychiatrist committed to holistic, patient-centered, evidence-based care. She approaches each individual with warmth and without judgment, fostering a therapeutic environment built on open communication and trust. She believes that strong rapport is essential to achieving meaningful progress in treatment.

Dr. Marz combines medication management with supportive psychotherapy, incorporating cognitive-behavioral techniques and motivational interviewing. She customizes each treatment plan to align with the patient’s personal goals and evolving needs, recognizing that healing is a highly individualized journey.

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. Melody Stupey is a board-certified psychiatrist with over 26 years of experience treating adults in both inpatient and outpatient settings. She earned her medical degree from Oregon Health Sciences University and completed her residency at the University of Texas at San Antonio. Dr. Stupey is certified by the American Board of Psychiatry and Neurology.

Dr. Stupey believes in a collaborative approach to treatment, emphasizing active listening, compassion, and respect. She strives to create a warm, supportive environment where patients feel safe and empowered to speak openly without fear of judgment.

Her treatment process is holistic, considering physical, emotional, and lifestyle factors. She evaluates diet, physical activity, sleep habits, and thought patterns alongside medication needs. Dr. Stupey prioritizes using the lowest effective dose of medication to meet treatment goals while supporting the patient’s overall well-being.

Dr. Ocean Workman, MD, has experience in outpatient, inpatient, and psychiatric emergency settings. They earned their medical degree from the University of Maryland School of Medicine and completed residency in psychiatry at the University of Washington, where they served as Outpatient Chief Resident and completed an area of distinction in psychotherapy. Dr. Workman also holds a Master of Science in Nutrition and Human Performance from Logan University and is a 500-hour Registered Yoga Teacher trained in Rishikesh, India. They have a special interest in serving LGBTQIA+, kink/sex-positive, and non-monogamous communities.

Dr. Workman’s style is warm, collaborative, and grounded in respect for each patient’s individuality. They combine evidence-based and personalized treatments that may include medication management, psychotherapy (ACT, DBT, CBT, psychodynamic, and supportive modalities), and holistic wellness approaches. Dr. Workman strives to create a safe, affirming space where patients can explore and grow in ways aligned with their values.

In the initial sessions, Dr. Workman conducts a comprehensive assessment of the patient’s goals, values, history, and concerns. Together, they develop a tailored treatment plan that reflects the patient’s unique needs, emphasizing shared decision-making and ongoing collaboration.