TreSina Steger, LPC

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.

Background and credentials

Dr. Lisa Ekeanyanwu is a board-eligible psychiatrist who completed her psychiatry residency training at Stanford University. She has gained experience in a wide range of clinical environments, including inpatient and outpatient care, community mental health settings, emergency rooms, telehealth services, and international clinical fieldwork.

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Treatment approach

Dr. Ekeanyanwu’s practice is centered on pharmacotherapy, which she integrates with supportive therapy, cognitive behavioral therapy (CBT), and psychodynamic therapy to provide comprehensive psychiatric care. She takes a collaborative and individualized approach, tailoring treatment to meet each patient’s unique goals and improve their overall quality of life. She has a special interest in cultural and micro-cultural influences on mental health and strives to provide culturally competent care that respects each patient’s life experiences and values. When she believes additional therapy may be beneficial, she may recommend incorporating a therapist into the care team.

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What you can expect in a first visit

During the first visit, patients can expect a thorough evaluation where Dr. Ekeanyanwu carefully assesses their symptoms, medical history, and personal treatment goals. She fosters a collaborative and patient-centered environment, ensuring that each treatment plan aligns with the patient’s individual needs. She provides medication management along with therapeutic support and, when appropriate, may recommend additional therapy to optimize outcomes. Her approach prioritizes safe, effective, and culturally sensitive care that evolves to support patients throughout different stages of their lives.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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***Provider does not prescribe controlled substances*** Dr. David Eiler is a staff psychiatrist at Talkiatry. He is board certified in adult psychiatry. Before joining Talkiatry, Dr. Eiler was a staff psychiatrist at Dartmouth-Hitchcock Medical Center (DHMC), where he had an academic appointment and served as clinical director of transcranial magnetic stimulation (TMS) and intranasal esketamine services. In his practice, Dr. Eiler has focused on medication management and interventional techniques, including TMS, for the treatment of depression and other disorders. Dr. Eiler received his MD from the University of Wisconsin School of Medicine and Public Health and completed his residency at DHMC.

Dr. Mary Lou Gutierrez is board-certified in both Child & Adolescent Psychiatry and General Psychiatry, with over 20 years of clinical experience. She earned her M.D. from Loyola University Medical Center, where she also completed her residency in Adult Psychiatry. She pursued fellowship training in Child and Adolescent Psychiatry at Northwestern University’s Children’s Memorial Hospital. Her past roles include Medical Director for Compass Health Center’s Under 18 Program and Attending Psychiatrist at Loyola. She has been recognized as a “Top Doctor” in Child and Adolescent Psychiatry by US News and World Report and Negocios Now.

Dr. Gutierrez fosters a warm, collaborative environment where patients and families feel supported and understood. She emphasizes open communication and works closely with patients to define meaningful, realistic treatment goals. Her holistic, family-centered approach integrates medication management, therapy, and psychoeducation with a deep commitment to cultural sensitivity and compassionate care.

Dr. Gutierrez begins by learning each patient’s personal story, clinical history, and goals through a comprehensive evaluation. She creates individualized, evidence-based treatment plans tailored to each child’s unique needs and family context. She continuously collaborates with patients, families, and care teams to ensure treatment remains effective, combining psychotherapy, medication management, and coordination with other providers and resources.

Dr. Krista Alexander is a board-certified psychiatrist who loves equipping her fellow human beings to feel and function better. She studied medicine at the University of Texas Southwestern Medical School and completed her residency at Duke University. She has worked in both private practice and integrated primary care/behavioral health care settings. She is a member of the American Psychiatric Association and the North Carolina Psychiatric Association. Krista offers medication management and supportive psychotherapy for mood disorders, anxiety disorders, trauma, ADHD, substance use disorders, and other mental health issues. She strives to embody "relational prescribing” and believes that med management is most effective in the context of a relationship of mutual trust, emotional safety, and shared decision-making between provider and patient. She has trained in psychodynamic psychotherapy and various forms of cognitive behavioral therapy, and tailors her approach to each patient's individual strengths and needs. Krista understands that the needs of the whole person must be addressed in order to facilitate growth and healing. She enjoys collaborating with fellow medical/mental health providers to address a patient's complex needs as an integrated team.

Dr. Faizan Syed is a board-certified attending psychiatrist who graduated from St. George's University School of Medicine in 2012. He completed his residency in adult psychiatry at Creedmoor Psychiatric Center, an affiliate of Columbia University, in June 2016 .Dr. Syed was born in Karachi, Pakistan, and has lived transnationally in the United States, the Caribbean, the United Kingdom, and the Middle East throughout his life. He is currently based in Queens, NY, and alongside his professional development in his career as a psychiatrist, he has also worked to develop himself personally through writing. As a poet, essayist, and author, he has been published numerous times, and he maintains connections with his community through his participation in a group known as the Queens Poetic Alchemy Collective. He has spoken out publicly against the cultural stigma against mental health that has become a barrier to seeking and finding help. He has also been featured on Humans of New York. Dr. Syed believes strongly in the power and importance of psychotherapy as part of the therapeutic process. As such, he integrates individualized psychotherapy for each patient he sees and tailors various techniques to suit each patient's needs. He believes in an integrative, holistic approach that borrows from and blends various schools of psychology, philosophy, and neuroscience, including mindfulness, existentialism, cognitive-behavioral therapy, dialectical therapy, psychodynamics, genetics, and psychopharmacology. In addition, he is a great believer in the therapeutic power of the arts, whether it is visual arts, music, bibliotherapy, or expressive writing. Dr. Syed focuses on exploring the role of meaning in every patient's life so they can define and fulfill their potential in many areas of life. He has experience working with patients of all ages who have struggled with trauma, relationship or attachment issues, bipolar disorder, depression, anxiety, panic attacks, psychosis, and personality disorders.