Margaret Ngumi, PMHNP

Dr. Erica Cusick is a board-certified psychiatrist at Talkiatry. She completed her undergraduate training at the University of Rochester and medical school at Lake Erie College of Osteopathic Medicine. She is committed to treating a wide range of mental health disorders and addressing the psychological and emotional challenges faced by adults of all ages. During her residency training at Allegheny General Hospital, Dr. Cusick developed a keen interest in the nuances of medication management, including drug interactions and side effects, ensuring accurate diagnoses, the mental health needs of women, identification of attention-deficit/hyperactivity disorder in adults, and addressing mental health issues that may arise with concussions, traumatic brain injuries, strokes, Parkinson's Disease or dementia. Dr. Cusick approaches patient care collaboratively by actively listening to patients and involving them in their treatment planning while providing evidence-based care.

Dr. Moskowitz (she/her) is a licensed adult psychiatrist. She earned her medical degree from Albert Einstein College of Medicine and completed her psychiatry residency at the University of Arizona. She has extensive experience treating a wide range of mental health conditions, including depression, anxiety, ADHD, bipolar disorder, PTSD, OCD, and psychotic disorders. Dr. Moskowitz is especially passionate about working with transgender and other LGBTQ+ patients, offering inclusive, identity-affirming care tailored to each individual’s experience and needs.

Dr. Moskowitz takes a warm, collaborative approach grounded in empathy and trust. She believes in meeting patients where they are and working together to build a therapeutic relationship that supports healing, self-understanding, and personal growth. Patients can expect a nonjudgmental, respectful environment where their goals and concerns are genuinely heard and addressed.

Dr. Moskowitz integrates elements of psychodynamic, supportive, and cognitive-behavioral therapy into her work and offers medication management when appropriate. She emphasizes a personalized treatment plan for each patient, designed to align with their unique values, history, and goals. Her process includes thorough assessment, open dialogue, and flexible adjustments as needs evolve over time.

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Dr. Tahira Akbar specializes in adult psychiatry, she completed her four years of residency training at Bergen New Bridge Medical Center in Paramus NJ and additional two years of geriatric psychiatry fellowship from SUNY Downstate Medical Center in Brooklyn, NY. During her final year of the of residency training, she was appointed as the chief of research. She utilized her extensive research experience to guide and mentor her fellow residents. Under her supervision the program submitted maximum number of research papers and presented medical posters to various psychiatric platforms including American Psychiatric Association.

Dr. Akbar was introduced to tele-psychiatry during the second year of her fellowship due to the COVID-19 pandemic. She appreciated that tele-psychiatry allowed her to continue to serve her patients in the comfort of their own homes. During the challenging times of social distancing, she recognized the importance of collaborative care involving family members, social workers, medical team, and therapist to work together in the best interest of her patients while protecting their privacy and individuality.

Dr. Akbar has excellent communication skills, she believes that an open communication is essential for any relationship to prosper especially that of doctor-patient relationship. She provides a comforting environment for her patients to be able to express their needs and encourages feedback while preparing their individual treatment plan. She is experienced in providing psychiatric care to all age groups while her clinical interest focuses on taking care of adults and geriatric population. Dr. Akbar emphases on medication management utilizing a multidisciplinary methodology when treating each patient based on their requirements and tailoring treatment appropriately.

Maegan Roberts, PMHNP, earned her MSN from Indiana University School of Nursing and her BSN from the University of Evansville. She worked as a Registered Nurse in inpatient psychiatry for five years before transitioning to outpatient care as a psychiatric nurse practitioner in 2017. Maegan has experience treating patients across the lifespan, from school-aged children to older adults. She is especially attuned to the challenges of young adulthood, parenting, and navigating complex family dynamics. Committed to lifelong learning, she values the insights and perspectives her patients bring to their care.

Maegan creates a therapeutic environment grounded in dignity, empathy, and respect. She empowers patients through education about diagnoses, symptoms, and medications while promoting autonomy and informed decision-making. Her approach blends psychopharmacology with supportive therapy, skill-building, and sustainable lifestyle strategies, helping patients build insight and resilience.

In the initial appointment, Maegan takes time to understand each patient’s history, concerns, and goals. From there, she collaborates with patients to create and adapt treatment plans that align with their evolving needs, always keeping the individual’s unique context and aspirations at the center of care.

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. 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.