Jacob Kannarkat, MD

Dr. Megan Freeman is board certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. She completed her residency training at Vidant Medical Center at East Carolina University in Greenville, North Carolina in 2021 where she was the chief resident. Since then, she has worked as an attending physician at an inpatient adult psychiatric unit in Burlington, North Carolina. As a resident and attending she has treated adults of all ages and in all areas of mental health. Dr. Freeman's talkiatry practice will mostly focus on medication management in conjunction with support or acceptance-based therapy during 30-minute follow-up visits. During this time, Dr. Freeman hopes to collaborate with her patients to help set treatment goals and ways to track progress in between appointments. Dr. Freeman is board certified in adult psychiatry. She enjoys seeing patients with a wide variety of diagnoses including, but not limited to, major depressive disorder, bipolar disorder, post-traumatic stress disorder, obsessive-compulsive disorder, and generalized anxiety disorder. She enjoys combining medication management with various therapy techniques.‍

Edmund Clark, MD, serves as Chief Psychiatrist at Talkiatry with over 17 years of board-certified experience, including more than 5 years delivering tele-psychiatric care to underserved areas. His career spans 23 years in public service, including leadership roles as Chief of the VA Mental Health Clinics in Jacksonville, FL, and program manager for the University of Florida’s Psychiatry Residency Training Program. A former U.S. Navy psychiatrist, he deployed multiple times, including to Iraq in support of an Army Combat Stress Control clinic, gaining expertise in evidence-based PTSD treatments. Dr. Clark earned his medical degree from the University of Florida and completed his psychiatry residency at the National Naval Medical Center and Walter Reed, serving as chief resident for over 50 military trainees. Before medicine, he served in the U.S. Peace Corps in Kenya.

Dr. Clark values a collaborative approach built on honesty, rapport, and ensuring patients feel heard. He helps patients identify and address multiple factors influencing their mental health, aiming for positive, lasting changes that improve function across life domains. He encourages evidence-based therapies and, when needed, involves other providers to support comprehensive care.

Dr. Clark uses measurement-based tools to assess medication efficacy and guide treatment decisions. He integrates supportive psychotherapy to strengthen coping skills and reduce negative thinking, while incorporating motivational interviewing techniques to promote recovery and self-improvement.

Dr. Michael Gravenstein earned his medical degree from the University of Florida College of Medicine, where he also completed his psychiatry residency. During training, he was recognized with multiple awards, including the Malcom Randall VA Resident of the Year Award, the Ross A. McElroy Psychotherapy Award, and the John “J.D.” Dorian Award for best sense of humor. He has worked across outpatient, inpatient, and consult liaison settings, and has experience treating a wide range of conditions including depression, anxiety, ADHD, OCD, personality disorders, and transitional age concerns. He also has expertise working with LGBTQIA+ patients and provides psychodynamic, CBT, and supportive therapies.

Dr. Gravenstein believes in a comprehensive approach to treatment that integrates medications, therapy, and lifestyle interventions. While medications can be very effective, he views them as just one part of a broader treatment plan tailored to each patient’s needs. He emphasizes individualized care and sees treatment as a team effort, meeting patients where they are and progressing at a pace they feel ready for.

Dr. Gravenstein strives to create a warm, collaborative environment that fosters open communication and genuine connection. He may challenge patients therapeutically but always with careful attention to their readiness and comfort. His goal is to build trust so that meaningful conversations and progress can occur. For him, success is always shared—when patients succeed, they succeed together; when challenges arise, they regroup and move forward together.

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.

Amy Gonzalez is a board certified Psychiatric Mental Health Nurse Practitioner as well as a Family Nurse Practitioner. She has been practicing in the field of nursing since 1996. Amy has been a practicing Family Nurse Practitioner since 2007, and she started to focus on substance abuse treatment in 2010. She found that many people with substance use disorder also struggle with their mental health and went on to get her Psychiatric Mental Health Nurse Practitioner degree completing it in 2017. Her past experience includes working in both outpatient and inpatient psychiatry, 24-hour crisis care, substance use treatment, mental health court, and both adult and geriatric psychiatry. Amy has expertise in treating depression, bipolar spectrum disorder, anxiety, insomnia, PTSD, substance use disorders and thought disorders.

Amy believes in providing a safe and supportive environment where she really gets to know her patients as individuals and works collaboratively with them to develop a treatment plan. She is concerned with a patient's overall wellness, emphasizing nutrition, movement, hobbies, social connection, and mindfulness. She takes a holistic approach to treatment which focuses on evidence-based treatments including conventional medications, supplements, and alternative and complementary treatments.

Amy focuses on medication management as well as providing supportive therapy, psychoeducation, and motivational interviewing to her patients in 30-minute follow up appointments. Sometimes Amy may recommend more intense therapy and ask that you bring a therapist into your care team to provide the best outcome.

Bryce Thacker grew up in a rural community, where he learned the value of helping others achieve their best selves to support overall community health and well-being. With a passion for helping people live their best lives, he earned his undergraduate degree in biology from the University of Nebraska and completed his nursing education at Creighton University. He went on to earn a Master of Science in Nursing, specializing as a Family Nurse Practitioner and in Community Health, from Creighton University, and later completed a nursing practice degree at the University of Colorado with a focus on population and community health. He also holds a post-graduate certification in psychiatric mental health from Washburn University.

Bryce practiced family medicine for 18 years before transitioning to psychiatric mental health in 2022. His background in both physical and mental health gives him a holistic perspective on care. Since shifting his focus, he has helped individuals improve their quality of life through medication management for mood disorders, PTSD, anxiety, ADHD, and other mental health conditions. He continues to live in a rural community with his family and remains committed to helping people become their best selves.

Bryce believes that each person’s “best self” is unique and that mental health care should meet individuals where they are. He emphasizes a collaborative, client-centered approach, always keeping the individual’s goals at the heart of care. He is dedicated to helping clients identify and overcome the symptoms and stressors that interfere with their well-being, and he works to dismantle limiting beliefs or labels that may have been placed on them.

By taking the time to understand each person’s challenges and aspirations, Bryce helps clients find sustainable, holistic paths to wellness. His care is grounded in empathy, respect, and a deep commitment to supporting each person’s journey toward a fulfilling and balanced life.

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