Sumbal Akhter, DO

Dr. Kathryn Bertacchi is board-certified in both adult and child & adolescent psychiatry. Originally from California, she earned her medical degree from University College Cork in Ireland and completed residency and fellowship at Emory University. She has practiced in varied settings, including developing specialized clinics in eating disorders and gender-affirming care. She is a member of several professional organizations including AACAP, APA, and WPATH.

Dr. Bertacchi fosters an inclusive, nonjudgmental environment where patients feel safe to be themselves. She approaches care with curiosity, compassion, and deep respect for each person’s unique story, aiming to help individuals feel genuinely heard and supported throughout their treatment journey.

In early sessions, Dr. Bertacchi works collaboratively to understand patients' lives, goals, and challenges. While her focus is medication management, she integrates cognitive-behavioral, humanistic, and supportive techniques. She may recommend additional therapy as needed and particularly values working with youth and adults from diverse backgrounds.

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. Webb is board-certified by the American Board of Psychiatry and  Neurology. She earned a Bachelor of Science in Biological Sciences from the  University of Miami in Coral Gables, Florida, and obtained her medical degree  in Osteopathic Medicine from the West Virginia School of Osteopathic  Medicine. Dr. Webb completed her psychiatry residency training at Palm Beach  Consortium for Graduate Medical Education in Tamarac, Florida. After her  training, she served as an attending psychiatrist with the Department of  Veterans Affairs in Miami, Florida, and as an attending psychiatrist and  mentor for psychiatry residents in training at the University of Miami,  Florida International University, and University Hospital and Medical Center  in Tamarac.  

Treatment approach    

Dr. Webb believes in building strong therapeutic relationships with her  patients, integrating conservative psychological treatments and lifestyle  modifications to enhance overall well-being and quality of life. She  primarily provides medication management combined with supportive or  emotionally focused therapy. Dr. Webb emphasizes creating individualized care  plans tailored to each patient’s unique needs. While medication and  supportive therapy are central to her approach, she occasionally recommends  involving an additional therapist to optimize treatment outcomes. Dr. Webb  specializes in managing a broad range of psychiatric conditions, including  depression, anxiety, bipolar disorder, postpartum depression, OCD, and  PTSD.  

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What you can expect in a first visit  

Patients meeting Dr. Webb for the first time can expect a thoughtful and  comprehensive assessment focused on building rapport and understanding their  personal and clinical needs. Dr. Webb emphasizes creating a strong  therapeutic relationship, developing an individualized care plan designed  specifically to address each patient's symptoms and lifestyle. Follow-up  appointments typically last around 30 minutes, during which medication  management and supportive therapy are provided. Depending on patient needs,  Dr. Webb might suggest incorporating additional therapeutic support to  achieve the best possible results.    

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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.

Dr. Parrish is a board-certified General Psychiatrist and board-certified Child and Adolescent Psychiatrist. In addition to medication management, Dr. Parrish also provides supportive therapy and cognitive behavioral therapy techniques during appointments. When appropriate, she will refer patients for additional psychotherapy and will work to collaborate with therapists to help patients achieve the best outcomes. She received her medical degree from the Medical College of Virginia/VCU in Richmond, Virginia. She then traveled to Greenville, South Carolina where she completed a General Psychiatry residency at Greenville Health System/PRISMA Health and then returned to Virginia to complete a Child & Adolescent Psychiatry fellowship at The Virginia Treatment Center for Children/VCU Health System. Dr. Parrish is a strong advocate of an integrated approach to treating children and their families. She completed undergraduate training at Randolph-Macon College in Ashland, Virginia, where she studied psychology and elementary education. Prior to entering medical school, she was a licensed elementary school teacher in Virginia where she served children of various learning styles and needs. She continues to have an interest in learning disabilities, other neurodevelopmental disorders, ADHD, mood disorders, as well as many other areas of psychiatry.‍

Dr. Cheryl Dasler is a double board certified psychiatrist in General Psychiatry and Child and Adolescent Psychiatry. Following completion of her training, she spent the next 10 years fulfilling her passion for indigent care of children, working in a community mental health center. She went on to complete additional training in Functional Medicine, with the goal of offering patients greater insight into the physical factors contributing to their symptoms. She has also trained in Mindfulness Based Stress Reduction, and encourages mindfulness as a healing technique along with medication management. Over the following 10 years, Dr. Dasler treated a broad range of patients in a private practice setting, including children and adults. She is passionate about treating ADHD, and utilizes medications plus skill building in her sessions to help her patients maximize their potential. Her extensive experience also includes treating mood disorders, anxiety disorders, PTSD, and OCD. She believes in a mind-body interconnection, and strives to address both aspects to provide truly holistic care. Patients looking for a psychiatrist will find Dr. Dasler is a warm, compassionate provider who genuinely listens. She works in partnership with patients to find a treatment plan that will be effective, while also being sensitive to financial or insurance coverage factors that may impact care.

Dr. Karla Garcia is a board-certified psychiatrist trained in Adult Psychiatry. She graduated from the University of Notre Dame with a Bachelor of Science and a Master of Education. She then went on to complete her medical education and residency training at the University of Chicago. She is board certified in Adult Psychiatry by the American Board of Psychiatry and Neurology.

Dr. Garcia believes in patient-centered care, seeking to care for the whole person.  She values the therapeutic relationship, working to guide patients in their treatment while also encouraging patients to take an active role in their care. Dr. Garcia cares about getting to know you as a person and helping you reconnect with your values. Her clinical approach is holistic, collaborative, and supportive.

Dr. Garcia focuses on evidence-based treatments for psychiatric illness that utilize a combination of medications and psychotherapy. Using a range of skills and interventions, Dr. Garcia believes in a multi-faceted approach to treatment.

Dr. Garcia has experience working in a wide variety of inpatient, emergency, partial hospitalization, intensive outpatient, and outpatient psychiatric settings and in treating a broad spectrum of psychiatric disorders including depression, anxiety, bipolar disorder, trauma, substance use disorders, personality disorders, ADHD, and OCD. She treats patients in English and Spanish.