Robynn Cavaliere, PMHNP

Dr. Mennella is a board-certified adult psychiatrist. Her practice focuses on medication management and supportive therapy. Treatment emphasizes patient education and autonomy. Dr. Mennella is a proponent of shared decision-making and believes this facilitates a strong therapeutic relationship, greater satisfaction with care, and improved clinical outcomes. She completed an undergraduate degree in Information Technology from Purdue University and a master's degree in information systems from DePaul University. She received her medical degree from the University of Toledo College of Medicine and then completed her psychiatry residency at Loyola University Medical Center. Areas of interest include depression, bipolar, anxiety, and PTSD.

Dr. Cheryl Person is the National Director of Clinical Quality at Talkiatry. She is board certified in general adult psychiatry and has been in practice for 20 years. Dr. Person focuses on medication management but believes that is only part of successful treatment. She will spend her time providing motivational interviewing or supportive therapy, and believes it is often critical to have a therapist as part of the treatment team. Dr. Person received her medical degree from Tulane University School of Medicine. She completed her psychiatric residency at Johns Hopkins and a psychiatric epidemiology fellowship at Johns Hopkins Bloomberg School of Public Health with a focus on disaster mental health. After relocating to Texas in 2010, she worked as Director of Psychiatric Services of a large safety-net hospital in Houston. Prior to Talkiatry, she most recently was the executive director/chief physician of a large university student health center and campus pharmacy. In addition to adult psychiatry, Dr. Person has worked extensively with victims of acute trauma and her primary focus is on working with patients who have anxiety and mood disorders.

Dr. Lucky Ly is a board-eligible psychiatrist who received his medical degree at Lake Erie College of Osteopathic Medicine and completed training in the psychiatric residency program at Millcreek Community Hospital. He has experience treating various psychiatric disorders including depression, anxiety, obsessive-compulsive disorder, bipolar disorder, attention deficit/hyperactivity disorder, and other related disorders. Dr. Ly uses evidence-based treatments and supportive psychotherapy such as cognitive behavioral therapy and interpersonal psychotherapy to help his patients. He encourages open communication and active participation as he believes they are key to successful treatment.

Dr. Alexa Hall is a board-certified adult psychiatrist with extensive training and experience across inpatient, partial hospitalization, intensive outpatient, and outpatient psychiatry settings. She earned her medical degree from Saint Louis University School of Medicine and completed her psychiatry residency at Harvard South Shore. Through her clinical work with the Harvard Medical School system and the Boston VA Healthcare System, Dr. Hall developed expertise in caring for diverse patient populations. She has also served as Medical Director for multiple psychiatry practices, overseeing services such as outpatient medication management, Spravato, IV Ketamine, and Transcranial Magnetic Stimulation (TMS). Outside of work, she enjoys cooking and spending time with her family.

Dr. Hall provides a supportive, non-judgmental environment where patients feel heard, respected, and understood. She takes a collaborative approach, working in partnership with patients to set and achieve individualized wellness goals. Her practice emphasizes whole-person care, integrating both mental and physical well-being into each treatment plan.

Dr. Hall begins by listening closely to understand each patient’s history, experiences, and concerns. From there, she collaborates with patients to identify their personal treatment and wellness goals. She develops individualized treatment plans tailored to these goals, focusing on supporting meaningful progress and long-term well-being.

Dr. Shaily C. Desai, MD is a board-certified psychiatrist who treats adults. She graduated Magna Cum Laude and with General Honors from University of Miami. She completed medical school at the University of Miami Miller School of Medicine in the prestigious Honors Program in Medicine. She continued her medical education at Jackson Memorial Hospital & University of Miami Hospital for her 4-year psychiatry residency training program. After completing her training, Dr. Desai held an academic appointment at the University of Miami while working at the Miami Veterans Affairs Hospital initially as a behavioral health consultant in the Primary Care Mental Health Integration (PCMHI) model and later as a Behavioral Health Interdisciplinary Program (BHIP) psychiatrist in the Mental Health Treatment Coordinator (MHTC) role.

Dr. Desai’s background spans clinical care, academic research, and community service, giving a comprehensive understanding of mental healthcare delivery across different settings. Dr. Desai developed expertise in quickly building rapport with patients, conducting medication management assessments, and implementing effective interventions. These experiences taught Dr. Desai how to maintain clinical excellence while showing patience and respect for each patient's unique circumstances. She understands the delicate balance of providing thorough care within the constraints of virtual sessions and she has developed strategies to ensure patients feel supported and understood, even though a screen.

By combining clinical expertise with genuine empathy and persistence, Dr. Desai helps her patients navigate their treatment journey with confidence and hope. Dr. Desai’s practice focuses on medication management and supportive psychotherapy in typically 30-minute follow up visits. At times, additional psychotherapy is needed, and a therapist may be added to provide the best outcome.

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.