Holly Shiao, MD

Dr. Austin Davidson grew up in Nashville, TN before moving to CA for his undergraduate studies at the University of California, Irvine where he was on the rowing team. He then attended medical school at the Alabama College of Osteopathic Medicine. He completed his psychiatry residency training at the University of Nevada, Las Vegas.

When he’s not practicing medicine, he enjoys spending time with his family, working out in his garage gym, and playing board games.

Dr. Davidson focuses on treating the whole patient. He believes medication is just one of the many important aspect to address when concerning mental health. Therapy, lifestyle changes, diet, and exercise are also equally important modalities that must be considered in treatment.  

Dr. Davidson’s treatment process typically begins with an in-depth history that focuses on getting to know his patients. He prefers to take his time with each patient and to make sure they feel they are heard. He believes the treatment process is a team effort and he takes time to come up with treatment plans that both he and his patients are comfortable with.

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Dr. Dhaliwal is an integrative psychiatrist with an MPH, a 1-year fellowship through Psychiatry Redefined, as well in intensive inpatient and outpatient training. A Boston University School of Medicine graduate and former Chief Resident at FAU, she blends research-based care, emotional insight, and life optimization. She treats depression, bipolar, anxiety, ADHD, PTSD, substance use, and psychotic-spectrum disorders with a holistic, results-driven approach.

Dr. Dhaliwal works with individuals who feel stuck—functioning on the outside but "not like myself" inside. Her warm, structured, and research-driven approach combines medication when needed with integrative tools such as CBT, lifestyle changes, "24-hour approach", and a bio-psycho-social-spiritual lens. She focuses on root causes and helps individuals gain clarity, momentum, and purpose to function at their highest level across home, career, and life.

Dr. Dhaliwal begins with a 360-degree assessment exploring emotional patterns, routine, physical health, neurobiology, and values. Her 24-hour optimization model supports intentional living, clarity, and structure. She fine-tunes medications and augments with an integrative tools to enhance mood, resilience, and wellbeing. Her care is shaped by years in psychiatry and over a decade of coaching future physicians, researchers, and life coaches to reach their highest academic and career potential.

Justin Jones is a board-certified adult psychiatrist based in Las Vegas, NV. Originally a Mississippi native, he completed undergraduate studies at the University of Mississippi. He subsequently completed medical school and post-graduate residency training at the University of Mississippi Medical Center. His practice focuses on making progress towards therapeutic goals by utilizing a specifically tailored combination of medication management and psychotherapy depending on any given individual's needs. He understands how difficult it can be to begin seeing a new psychiatrist, and does his best to create a safe, welcoming environment that patients can feel comfortable in.

Ana Castro, LMHC received a Master of Science in Mental Health Counseling from Queens College, City University of New York. She completed training at F.E.G.S and has worked in community mental health and outpatient hospital-based settings. Ana has 7 years of experience working with individuals as well as with children and families treating anxiety, depression, family and relationship issues, and other mental health issues. Ana uses methods from psychoanalysis, CBT, DBT, along with light supportive therapy in order to provide a person-centered approach. She began by working at New York Psychotherapy and Counseling Center, working with individuals, as well as children and families in a high-risk area, providing family therapy, psychodynamic and behavioral therapy, and assisting with the coordination of care with outside agencies. Ana has worked at St. Joseph's Outpatient Behavioral Health Clinic treating patients with various psychiatric illnesses. She has also worked at St. Vincent's- Westchester Outpatient Behavioral Health Clinic, providing intake, diagnosis, and individual therapy to a population ranging from adolescents to late adults. Ana continues to work towards expanding her knowledge of evidence-based approaches in order to provide the best outcomes.

Cassandra Lozano, LPC, LCDC is located in Texas. She graduated with her bachelor's degree in psychology from the University of Texas-Brownsville. Following obtaining her master's degree in counseling and guidance from the University of Texas Rio Grande Valley. She has 10 years of experience in the addictions field and 7 years in mental health, working with her local mental health authority for the past 8 years. She has dedicated her career to specializing in addictive disorders, ADHD, individuals struggling with mood disorders such as depression, anxiety, self-esteem issues, and life transitions. Cassandra works with both adults and adolescents and is a strong ally of the LGBTQ community and Latinx communities. Her therapeutic approach is eclectic in nature, and client-centered. She collaborates with her clients, meeting them where they are and helping them find personalized solutions to achieve their goals and become their best selves. She utilizes a combination of Motivational Interview approaches, CBT, Solution-Focused counseling, and DBT. She ensures that clients are fully aware of their treatment goals and will work collaboratively to facilitate meeting their needs, finding meaning in life, and finding solutions to their current issues. In her personal life, Cassandra is the proud mother of two boys and enjoys tending to their Kuk Sool Won (martial arts) events. She loves relaxing on the beach and is very family oriented. She enjoys fishing, hunting, and off-roading in her jeep.

Dr. Debrey is board-certified in adult psychiatry. Her approach is client-centered, individualized, and collaborative. She focuses on building a strong therapeutic alliance with each client to work towards achieving enhanced functioning and meaning in their lives. She works with individuals experiencing a wide range of mental health concerns, including depression and other mood concerns, bipolar spectrum illnesses, OCD, PTSD, anxiety disorders, and substance use disorders. Though she specializes in medication management, she believes in an integrative and comprehensive treatment program that incorporates multiple aspects of an individual's health and wellness. Along with discussing physical health concerns, diet, exercise, personal connection, and stress management, she incorporates various therapeutic modalities, including CBT, DBT, ACT, and mindfulness, into her work. In some instances, Dr. Debrey may recommend more intensive psychotherapy with a collaborating therapist in order to help facilitate the best care possible. Dr. Debrey received her medical degree from Rush Medical College. She also holds a graduate degree in epidemiology from the Johns Hopkins Bloomberg School of Public Health. Following medical school, she completed her residency in psychiatry at Emory University School of Medicine. During her final year of residency, she served as chief resident at Grady Memorial Hospital. Prior to joining Talkiatry, Dr. Debrey was an assistant professor at Emory University Department of Psychiatry, where she worked as an attending psychiatrist at Grady Behavioral Health. While at Grady, Dr. Debrey worked primarily as a community psychiatrist with a focus on working with individuals experiencing psychosis. She also frequently worked on the inpatient psychiatry service at Grady. As an Emory faculty member, teaching and mentorship were an especially meaningful part of her work.‍