Nilesh Tannu, MD

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.

Dr. Liu is board certified in Adult Psychiatry. She primarily focuses on medication management but integrates therapeutic support into her sessions. For more in-depth therapy needs, Dr. Liu encourages patients to have their own individual therapist. She received her undergraduate and medical degrees at the University of South Carolina in Columbia, SC. She then moved to Morgantown, West Virginia to complete her psychiatry residency. Dr. Liu has experience working with patients from different backgrounds in inpatient, outpatient, and partial hospitalization settings. She particularly enjoys working with young adults and in areas related to women's health, such as perinatal mental health. She welcomes people from all cultures and is LGBTQ+ friendly.

Dr. Thomas Spina is an adult psychiatrist who began his practice at Talkiatry after completing his psychiatry residency at the Eastern Long Island branch of Stony Brook University, where he treated a diverse patient population. Dr. Spina received his undergraduate degree from St. John's University in Queens where he studied Philosophy. Initially interested in a career in law, Dr. Spina decided to change gears and pursue a career in medicine after watching a relative struggle with her diagnosis of Diabetes Mellitus. Dr. Spina then completed medical school at Tel Aviv University in Israel, where he fell in love with psychiatry during his clerkship at Ichilov medical center. During that rotation, he came to appreciate how each patient has his or her own unique story, regardless of their diagnosis. Dr. Spina favors a holistic and integrative approach to psychiatry, combining medication management with supportive therapy, elements of cognitive behavioral therapy, while remaining open to other treatment modalities depending on the needs of his patients. When more focused therapy is indicated, Dr. Spina may recommend that his patient work with a provider specializing in a particular modality of therapy as part of their treatment. Dr. Spina treats adult patients with mood disorders including major depressive disorder and bipolar disorder, anxiety spectrum disorders, OCD, PTSD and specific phobias. In his spare time, Dr. Spina enjoys a variety of hobbies, including Brazilian Jiu-Jitsu, running, baseball, and exploring new eateries and shops.

Dr. Jacqueline Barrett is Board Certified in Adult and Child Psychiatry and Board Eligible in Forensic Psychiatry. She earned her Bachelor’s Degree in Nursing at Florida International University and her medical degree at Wayne State University in Detroit, Michigan. She completed her residency in Adult Psychiatry at Henry Ford Hospital and went on to complete fellowships in Child and Forensic Psychiatry at the University of Michigan/Center for Forensic Psychiatry. Dr. Barrett has extensive experience working in a variety of healthcare settings, including community mental health centers, inpatient and outpatient programs, and most recently at the Miami Veterans Affairs.

Dr. Barrett believes in a patient-centered approach that combines careful assessment, evidence-based treatment, and individualized care. She works with each patient to create a personalized plan that addresses both immediate needs and long-term goals. By integrating psychiatric expertise with compassion and collaboration, she empowers patients to take an active role in their mental health journey.

During your first visit, you can expect a thorough and compassionate evaluation in a warm, supportive environment where you will feel heard and respected. Dr. Barrett values open communication and works collaboratively with her patients to establish clear treatment goals. Her approach is rooted in trust, empathy, and partnership, ensuring that every patient feels comfortable and supported throughout their care.

Dr. Michael Petetit has worked with people from many different walks of life in clinics, hospitals, and online, providing evidence-based treatments for a wide range of mental health conditions. His professional journey is unique—he began his career as a research chemist, later earned a Master’s degree in psychology and worked with children, before pursuing his medical degree and completing a psychiatry residency.

Dr. Petetit approaches treatment as a true collaboration. He partners with patients to clarify goals and create individualized treatment plans that reflect their priorities and values. He strives to be non-judgmental, direct, and honest in his style, building a therapeutic relationship that supports open communication and trust.

Dr. Petetit begins with a thorough evaluation to understand each patient’s circumstances and challenges. From there, he works with patients to set and prioritize goals, review treatment options, and select a plan that feels both comfortable and practical. As treatment progresses, he regularly revisits and refines the plan, ensuring it remains effective and aligned with the patient’s evolving needs.

Dr. Osaji is an Adult Psychiatrist who completed her psychiatry training at Texas Tech University Health Sciences Center, Lubbock, Texas. She served her program as a chief resident, which helped to build her leadership and interpersonal skills. She also dedicated herself to leading her resident team and fostering a supportive learning environment. She received the award of excellence in psychiatry knowledge during her residency training. She also has a Master's in Public Health from Texas Tech University Health Sciences Center and is a Phi Kappa Phi Honor Society member.

Dr. Osaji is an adult outpatient psychiatrist who provides care via telehealth. She strives to create a supportive, collaborative space where patients can explore what's bringing them in and work together to determine the best path forward. Whether someone is new to mental health care or returning after some time away, Dr. Osaji recognizes that it's normal to feel a mix of emotions at the start. She takes a thoughtful, personalized approach to treatment that may include medication, therapy recommendations, or simply creating space to talk. While telehealth offers flexibility and convenience, Dr. Osaji is committed to building a meaningful connection with each patient. She does not provide emergency services between sessions but ensures patients can access the appropriate resources when needed. As someone early in her career, Dr. Osaji brings fresh training and a strong commitment to transparency, lifelong learning, and evidence-informed care. She values open communication and believes deeply in each person's capacity for meaningful change.

Dr. Osaji creates a supportive, collaborative space to help patients explore their mental health concerns and goals. She takes a personalized approach that may include medication, therapy referrals, or check-ins, always valuing patient input. Follow-up visits are 20 to 30 minutes, focusing on monitoring progress and adjusting care as needed. She offers convenient access through telehealth while building meaningful, transparent relationships rooted in respect and growth. Dr. Osaji also values collaborative care and often coordinates with therapists or refers patients to therapy when additional support can enhance outcomes.

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