Stephen Byrd, MD

Alicia Brigham holds the position of therapist at Talkiatry. Alicia is a Licensed Professional Counselor in Texas and Oklahoma with over 10 years of experience. Alicia currently resides in Dallas, TX and graduated from Dallas Baptist University with her Masters in Counseling. Alicia has worked in an inpatient hospital, a nonprofit outpatient clinic, and in private practice settings providing therapy to a variety of populations. Alicia also has experience in advocating for clients to receive care based on medical necessity and treatment efficacy.

A new patient should know to come as they are, without fear of judgment. Their vulnerability will be safe with in the hands of Alicia. Alicia has a direct, yet calming and compassionate approach that creates comfort and ease for the client. Her goal is to create a warm, open, and interactive environment.

Alicia approaches each patient with respect, sensitivity, and eagerness to learn. The goal is to learn as much as possible about the patient and collaborate with the patient on a plan of action for the most effective care.

Dr. Sallie Jo Hadley holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in psychiatry and pediatrics and is board-eligible in child and adolescent psychiatry. She has been practicing for 22 years. Dr. Hadley's practice is focused on medication management with supportive therapy in follow-up sessions of 15 or 30 minutes. Dr. Hadley is experienced with collaborative treatment and encourages adding a therapist to your care team in those situations where additional therapy might be helpful. Dr. Hadley is a graduate of the Mount Sinai School of Medicine's triple-board program (psychiatry, pediatrics, and child and adolescent psychiatry). She completed post-doctoral research fellowships at Mount Sinai's Seaver Center for Autism Research/Compulsive-Impulsive Anxiety Disorders and at Columbia University's New York State Psychiatric Institute, the latter focusing on metabolic and weight issues in children and adolescents with psychiatric disorders. Dr. Hadley had an early background as a nurse, receiving her B.S. in Nursing from the University of North Carolina-Chapel Hill. Her experience in neonatal, psychiatric, and hospice nursing led her to pursue her degree in medicine. Dr. Hadley has worked in pharmacologic research in both academic and industry settings. Prior to joining Talkiatry, she practiced in a multi-specialty clinic for individuals and families dealing with autism or intellectual disabilities and complex medical co-morbidities. Dr. Hadley enjoys working with motivated individuals of all ages who are seeking to better their life or better cope with life circumstances. She has particular expertise in working with individuals and their families suffering from anxiety, depression, and obsessive-compulsive disorders.

Chelsea is a Licensed Clinical Social Worker with over 7 years of experience in the field of mental health. Chelsea studied Sociology at the University of North Carolina in Charlotte North Carolina and obtained a master’s degree in social work at Norfolk State in Virginia. She has experience working with adolescents, adults, seniors, and families in various practice settings, such as psychiatric facilities, crisis stabilization/ substance abuse units, and outpatient agencies.

She specializes in working with individuals challenged with PTSD, Depression, Anxiety, Stress, Self-defeating thoughts, Communication, Boundary setting, Coping Skills, Parenting, and Life transitions. Chelsea is passionate about providing holistic modalities of treatment to assist clients to manage mental health. She has experience using Cognitive Behavioral Therapy, Person-Centered, Solution Focused, and Mindfulness Techniques, Person-Centered and Trauma-Focused Cognitive Behavioral Therapy

Chelsea's approach is empowering, direct, collaborative, and solution-focused, and she uses treatment modalities specific to the client's needs and goals. She believes in meeting clients where they are, advocating for clients’ needs, and creating a safe space for individual healing.

Chelsea is aware of the stigma created surrounding mental health in vulnerable communities. Chelsea believes that seeking therapy is a sign of strength and resiliency. Chelsea is honored to be able to support you on your journey toward healing and evolving.

Dr. Arballo is a board-certified psychiatrist who completed medical school at Lake Erie College of Osteopathic Medicine. He received residency training at the University of Texas Health - San Antonio, where in addition to clinical training, he was appointed resident chair of the Quality Improvement and Patient Safety Committee. Since graduation, he has been a staff psychiatrist and the military unit director at Cumberland Hall Hospital, providing comprehensive care to children, adolescents, adults, and geriatric patients. Dr. Arballo provides evidence-based medication management and psychotherapy to address mental health conditions. He is a strong advocate for patient autonomy, quality improvement and psychoeducation.‍

Dr. Noor Zayed is a dedicated board-certified adult psychiatrist committed to improving mental health and empowering individuals to achieve their goals. After completing her undergraduate studies at The Ohio State University, Dr. Zayed earned her medical degree from Kentucky College of Osteopathic Medicine, where she was inducted into the Sigma Sigma Phi Honorary Osteopathic Service Fraternity. She then completed her residency at Loyola University Medical Center in Chicago, Illinois, where a significant focus was treating veterans at the Edward Hines VA Hospital. Dr. Zayed's experience spans both rural and urban settings, providing her with a comprehensive approach to mental health care. During her training, she received awards for Excellence in Professionalism and COVID Surge efforts. Her therapeutic style is characterized by empathy, respect, active listening, and collaborative relationships with patients, fostering a safe space for healing. Her practice focuses on medication management combined with psychotherapy, utilizing evidence-based approaches to provide personalized care. Dr. Zayed's clinic interests include treating depressive and anxiety disorders, PTSD, bipolar disorder, and substance use disorders.

Dr. David Guggenheim is an experienced clinical psychologist and health care administrator. He has worked with patients at different stages of life, including children, adolescents, and adults, and he has treated patients living with a wide range of mental health conditions, including anxiety, depression, post-traumatic stress disorder (PTSD), substance use, and attention-deficit hyperactivity disorder. Dr. Guggenheim has specific training in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and foundational training in dialectical behavioral therapy. Prior to joining Talkiatry, Dr. Guggenheim served as the Chief Behavioral Health Officer at Callen-Lorde Community Health Center in New York City, specializing in LGBTQ+ health care. In that role, he oversaw teams of providers including psychiatrists, psychologists, and social workers, who collectively provided care to thousands of patients in the New York metropolitan area. While at Callen-Lorde, he also served as co-chair for the behavioral health subcommittee of the Community Health Center Association of New York State; worked as an Adjunct Professor at Post University; and performed volunteer clinical work at the Weill Cornell Center for Human Rights. Before joining Callen-Lorde, Dr. Guggenheim worked as Associate Chief Behavioral Health Officer at Community Health Center, Inc., a federally qualified health center in Connecticut. A recognized expert, Dr. Guggenheim has delivered lectures to audiences ranging from medical schools to corporate executives, and he has been quoted in national media including The Advocate, Yahoo Finance, and Teen Vogue. Dr. Guggenheim has also been honored with an Early Career Achievement Award from the American Psychological Association in 2016. Dr. Guggenheim received his Bachelor of Arts from the University of Connecticut in 2002 and his Doctor of Psychology in Clinical Psychology from the American School of Professional Psychology at Argosy University/Washington, DC in 2009.