Iris Vanessa Guerrero Urena, MD

Dr. Jency Cynthia Sachidanandam completed her Residency and Fellowship at Texas Tech University Health Science Center in El Paso, gaining extensive training in diagnosing and treating various psychiatric conditions. As a Child and Adolescent Psychiatrist at Texas Tech, she works with a diverse patient population, addressing psychiatric disorders like depression, anxiety, bipolar disorders, PTSD, and OCD. Dr. Sachi emphasizes the importance of addressing both physical and mental health to achieve a good quality of life. She believes that mental health is interconnected with physical well-being and that treating one aspect without the other leads to incomplete care. Her holistic approach involves medication management, psychotherapy, and lifestyle modifications to promote overall health. Dr. Sachi is skilled in providing supportive psychotherapy and using psychodynamic therapy techniques to help patients understand and address their current stressors and underlying issues. Dr. Sachi has shown a genuine commitment to her patients and a passion for helping them achieve their best possible outcomes. She is dedicated to staying current with the latest advancements in psychiatry and continuously improving her skills to provide the highest standard of care. Her compassionate and patient-centered approach has earned her the respect and trust of her patients and colleagues alike.

Dr. Kira Posteraro is double board-certified in Adult and Addiction Psychiatry and has over 10 years of clinical experience. She completed her General Adult Psychiatry Residency at Allegheny General Hospital in Pittsburgh, PA, followed by a fellowship in Addiction Psychiatry at Beth Israel Medical Center in New York, NY.

Dr. Posteraro’s career has included serving as Director of Psychiatric Services at an addiction treatment center in Pittsburgh, PA, where she provided care across the full continuum of substance use disorder treatment—including residential, acute PHP, IOP, outpatient, and aftercare services. She later held the role of Section Chief Psychiatrist for the Center for Treatment of Addictive Disorders at VA Pittsburgh Healthcare System, offering both residential and outpatient services and acting as Medical Director for the SAMHSA-certified Opioid Treatment Program. Most recently, she served as Chief of Psychiatry for the Behavioral Health Service Line at VA Pittsburgh, where she had the honor of caring for our nation’s Veterans.

While her clinical expertise centers on the diagnosis and treatment of substance use disorders, Dr. Posteraro also has extensive experience treating a wide range of psychiatric conditions, including depressive and bipolar spectrum disorders, anxiety disorders, and trauma-related disorders.

Dr. Posteraro uses a collaborative, supportive approach to care, incorporating motivational interviewing to help guide patients on their journey to wellness. She integrates holistic strategies alongside medication management and is dedicated to meeting patients where they are in treatment to build individualized, effective recovery plans.

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Dr. Ramsey is board certified in general and child and adolescent psychiatry. His practice primarily focuses on medication management. He sees himself as a collaborator with therapists and counselors in caring for their shared patients and their families. He received his medical degree from the University of Tennessee Health Science Center in Memphis, TN. He completed his residency at West Virginia University Hospitals and WVU School of Medicine and a fellowship in child and adolescent psychiatry at the Yale Child Study Center, Yale University School of Medicine, and Yale-New Haven Hospital in New Haven and Middletown, CT. He completed his undergraduate studies at the University of Memphis. Dr. Ramsey remained in CT for two additional years, working in the Department of Children and Families, serving the state's at-risk youth and adolescents at a psychiatric residential treatment facility. He then returned to West Virginia University as clinical faculty in its School of Medicine. During the 12-year academic appointment, he had active roles in educating, training, and supervising medical students, general psychiatry residents, child and adolescent psychiatry fellows, and trainees from various disciplines. He worked for many years with adolescent males at both the Dually Diagnosed and Specialized Residential Treatment Centers within West Virginia University Healthcare. He provided outpatient and acute inpatient care, as well as hospital-based consultation services. Within the community, he provided medication evaluation and management services to residential treatment facilities and university student health. He has been seeing patients and collaborating with providers through telemedicine since 2016. While Dr. Ramsey specializes in working with patients with anxiety, he does not prescribe benzodiazepines.‍

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. Stephen Hawk is a board-certified psychiatrist with 25 years of experience. He earned his Doctor of Osteopathic Medicine from Kansas City University of Medicine and Biosciences and completed his psychiatry residency at the University of South Florida, Tampa. He has served in private practice and held leadership roles at the Veterans Administration, including Chief of Mental Health at Bay Pines VA. He led the launch of the VA Suicide Prevention 2.0 Telehealth Program and has training in AI in medicine.

Dr. Hawk combines talking therapies, neuromodulation, and modern psychopharmacology in a collaborative and empathic style. He focuses on family dynamics and integrates psychodynamic and biopsychosocial approaches, using creativity and open dialogue to tailor care.

He begins with open-ended conversations to help patients tell their story, then develops treatment plans together aligned with diagnostic standards. His approach includes medication review, mindfulness, CBT, supportive and psychodynamic therapy, and lifestyle education to support holistic wellness.

Dr. Stansberry holds the position of staff psychiatrist at Talkiatry. He is board-certified in Adult Psychiatry by the American Board of Psychiatry and Neurology. Stansberry's practice focuses on medication management and also incorporates supportive therapy techniques, typically in 30-minute follow-up visits. In some cases, Dr. Stansberry may believe that additional therapy is also needed and ask that you bring a therapist into your care team. Dr. Stansberry received his medical degree from the Louisiana State University Health Sciences Center in New Orleans. He completed his residency training through the Louisiana State University/Ochsner Health Foundation Psychiatry Residency program. He has experience working in inpatient, emergency, and consult-liaison psychiatry but particularly enjoys the opportunity to work longitudinally with patients in the outpatient setting.**THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR LOUISIANA PATIENTS**