Stephen Byrd, MD

Dr. Matthew Hamilton is a psychiatrist who works with adults at all stages of life in improving mental health. He emphasizes a holistic approach in collaboration with patients to help them identify and achieve their goals. He has experience helping adults from a diversity of backgrounds with depression, anxiety, bipolar disorder, PTSD, panic, OCD, ADHD, substance use and autism spectrum disorder. He offers one-hour initial consultation appointments, as well as 20 to 30 minutes for follow-up visits. Dr. Hamilton received his undergraduate education at the University of Texas at Austin, his medical degree at Texas Tech University Health and Sciences Center, and completed his residency training at the University of Texas Medical Branch. During training he worked primarily with adults in local clinics and acute care hospitals in the greater Houston area. He was honored with an award for his accomplishments in psychotherapy during his senior year of residency. Dr. Hamilton offers his expertise in both medication management and psychotherapy in his practice, including cognitive, behavioral, motivational, and supportive therapies. He will collaborate with your therapist when you are working with one and may offer a referral to a specialist therapist if indicated.

Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year. After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression, and anxiety. Dr. Abtahi has held an academic appointment at the University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents. Dr. Abtahi's practice focuses on medication management and providing psychoeducation to her patients. However, if indicated, Dr. Abtahi may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

Dr. Kim Brownell, MD, has extensive experience in both outpatient and inpatient settings. While on active duty, she practiced across the country in diverse rural and urban environments. Most recently, she spent eight years working with veterans in the VA healthcare system. She earned her medical degree from the Uniformed Services University of the Health Sciences, completed a Pediatrics Residency at Johns Hopkins Hospital, and later trained in Adult and Child Psychiatry at The Institute of Living, Hartford, CT.

Dr. Brownell values open communication and works with patients to set clear, achievable treatment goals. She fosters a warm, supportive environment where patients feel heard and respected. Her approach combines psychiatric medication management with supportive psychotherapy, elements of DBT, stress management techniques, and cross-cultural wisdom to meet patients where they are and collaboratively optimize wellness.

Dr. Brownell begins with a thorough one-hour evaluation to discuss current symptoms, treatment history, medical background, and personal goals. She listens carefully to each patient’s story to design an individualized plan that aligns with their objectives. Rooted in compassion and collaboration, she integrates her clinical expertise and life experience—including working with veterans and underserved populations—to identify strengths and guide patients on their mental health journey.

Dr. Dennis Valerstain is a board-certified Adult and Child and Adolescent Psychiatrist. After completing his undergraduate education at Emory University, he attended medical school at the Northwestern University Feinberg School of Medicine. He subsequently completed psychiatry residency at University of Miami/Jackson Health System and further sub-specialized at University of Miami/Jackson Health System with a fellowship in Child and Adolescent Psychiatry. Dr. Valerstain has had the opportunity of working with a diverse array of patients including children, adolescents, the severely mentally ill, veterans, and cancer patients across three distinct hospital systems. Dr. Valerstain has had varied clinical experiences in specialty inpatient psychiatry units, emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient clinics via telemedicine and face to face interactions. Dr. Valerstain has experience working with patients of all ages, particularly those with depression, anxiety, bipolar disorder, ADHD, Tic disorders, substance use disorders, and more. Dr. Valerstain's practice focuses on medication management and also employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients (and their families) to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Dr. Emily Sykes is a board-certified adult psychiatrist. She received her Bachelor of Arts degree with Magna Cum Laude distinction from Carleton College, where she majored in biology. Dr. Sykes completed her Doctor of Medicine degree from the University of Toledo. She completed her psychiatry residency at the University of Cincinnati and was the outpatient chief resident physician. Dr. Sykes' specialty interests include mood disorders, anxiety disorders, post-traumatic stress disorder (PTSD), obsessive-compulsive and related disorders, Cognitive-Behavioral Therapy (CBT) and holistic wellness. She is a certified Cognitive Processing Therapy (CPT) provider for PTSD. Dr. Sykes provides compassionate, evidence-based, individualized, holistic care for patients suffering from a variety of mental health diagnoses and concerns. She incorporates supportive therapy, cognitive-behavioral therapy and solutions-focused therapy into her sessions.

Dr. Gaurav Chaudhari completed fellowship training in Child and Adolescent Psychiatry at Stony Brook University and psychiatry residency at Texas Tech University Health Sciences Center – Permian Basin, where he served as Chief Resident. He also holds an MPH and a Certificate in Public Mental Health Research from Johns Hopkins Bloomberg School of Public Health. With prior residency training in Community Medicine in India, Dr. Chaudhari brings experience in clinical research, public health, and systems-based approaches to psychiatric care.

Dr. Chaudhari takes a whole-person approach, considering psychological, social, cultural, and environmental factors. He emphasizes evidence-based practice and works collaboratively with patients to create individualized, realistic treatment plans. He strives to cultivate a supportive, respectful environment where patients feel heard and understood, drawing on his diverse professional and cultural background to provide culturally sensitive care.

Dr. Chaudhari begins with a thorough, unrushed evaluation to understand each patient’s history, concerns, and goals. He develops personalized treatment plans grounded in evidence-based practice, incorporating integrative approaches when appropriate. He carefully uses medication or deprescribing as needed and approaches care as an ongoing, collaborative process, adjusting strategies as goals and needs evolve.