Tony Tu, MD

Dr. Mullenix is a board-certified adult psychiatrist who strives to form strong therapeutic and collaborative environments with patients and values patient empowerment. Dr. Mullenix received his medical degree from the Chicago Medical School and then went on to complete his residency in psychiatry at Advocate Lutheran General Hospital. His interests and expertise are in helping patients struggling with depression, anxiety, including social/obsessive compulsive and generalized anxiety disorders, and ADHD. He provides psychiatric medication management along with supportive, cognitive behavioral therapy (CBT) and other modalities of therapeutic treatment. Dr. Mullenix's practice focuses primarily on medication management, or pharmacotherapy. He routinely incorporates supportive therapy into his 30-minute follow-up visits. Dr. Mullenix may occasionally recommend that a therapist be part of the care team to provide optimal outcomes. The philosophy of his practice is to actively involve patients in the decision-making process to improve adherence to treatment and build trusting relationships with all patients.

Dr. Triston Wong is a board-certified adult psychiatrist who emphasizes a collaborative approach and strong therapeutic alliance in the treatment of psychiatric conditions. Though his practice focuses on medication management, Dr. Wong advocates for a holistic approach to treatment. He may incorporate elements of various psychotherapies, including supportive, cognitive-behavioral (CBT), and insight-oriented therapy. At times, Dr. Wong may believe that additional therapy is needed for the best outcome and recommend that you bring a dedicated therapist into your care team. Dr. Wong completed his undergraduate studies at Tulane University. He received his medical degree from Louisiana State University New Orleans School of Medicine, then completed his residency training in general psychiatry at Thomas Jefferson University Hospital in Philadelphia, PA. Dr. Wong has experience working with patients of widely varying backgrounds and socioeconomic statuses. He works primarily with adult patients struggling with depression, anxiety, trauma, and grief. ‍

Dr. Goicochea is Peruvian and speaks Spanish fluently. She is a "triple Gator” having completed her undergraduate and medical degree at the University of Florida (UF) and psychiatric training at UF Jacksonville. She was recognized by the Gold Humanism Honor Society for exemplary service, integrity, clinical excellence, and compassion and awarded Resident of the Year for exceptional clinical skills and commitment to patients. Dr. Goicochea is a board-certified adult psychiatrist who specializes in providing person-centered mental health care. She believes in a comprehensive, holistic approach to best improve the overall well-being of her patients; she explores psychosocial and physical health contributions to psychiatric symptoms and incorporates therapy into visits to develop a deeper understanding of the particular psychiatric concerns and their impact on patients' lives. Dr. Goicochea actively listens and creates an empathetic, non-judgmental space to work collaboratively with patients in achieving treatment goals. Dr. Goicochea's expertise is in the combination of evidence-based medication management with psychotherapy, which includes supportive, person-centered, cognitive behavioral, acceptance and commitment, interpersonal, and solution-focused therapy. While she enjoys working with young adults, her skills and experience allow her to effectively assist patients of all ages. Her clinical areas of interest include the treatment of depression, bipolar disorder, anxiety, and ADHD.

Ian Provo is a Licensed Clinical Social Worker who is also certified in Complex Trauma treatment. He has held a clinical license for 27 years, where he has worked in a number of capacities as a mental health professional, including Clinical Director, Director of Treatment, private practice, direct care services, and case management. Ian completed his Bachelor's degree from Arizona State University and his Master's Degree from the University of Illinois. Ian is passionate about his work and believes strongly in the human potential and resilience in overcoming life's obstacles and barriers. His therapeutic model focuses on multidimensional modalities, including cognitive behavioral therapy, psychodynamic model, psychoeducational approaches, and mindfulness techniques. Ian has vast experience in working with victims of sexual abuse and trauma in addition to treating anxiety, depression, ADHD, PTSD and providing couple's therapy. In addition to his professional work, Ian is actively engaged in volunteer work where he helps victims of sexual human trafficking, providing clinical assessments and engaging in public awareness campaigns. He recently composed, produced, and directed an anti-human trafficking music video for an organization.

Dr. Michael Manasterski is a board certified general psychiatrist. Before joining Talkiatry, he had the honor of working for the Department of Veterans Affairs in both outpatient and residential settings, and gained experience in improving quality of life for veterans with a wide range of troublesome to downright disabling psychiatric conditions, including severe anxiety and mood disorders, psychosis, obsessive-compulsive disorder, developmental disorders including autism spectrum and attention-deficit disorders, and post-traumatic stress disorder. These disorders have almost certainly been with us for all of recorded human history, but within the last few generations, our understanding of and ability to treat these conditions has grown by leaps and bounds.

Dr. Manasterski trained at the University of South Florida, earning his Bachelor of Science in Biology, and completing medical school and residency at the Morsani College of Medicine in Tampa, Florida. During his time in training and at the VA, his passion for teaching, both medical trainees and patients, found a productive outlet. He looks forward to bringing that experience forward to serve the broader population in these unprecedented times.

Dr. Manasterski’s practice is centered on evidence-based medication management, expertly tailored to each unique individual, informed by the best available research, using a multidisciplinary approach where appropriate to achieve the best possible outcome. He offers motivational interviewing and supportive psychotherapy, and can collaborate with a therapist on your care team when more specialized treatment is needed on your journey to wellness.

Dr. Tangeneare Singh earned a BS, Summa Cum Laude, from Tuskegee University and an MD from University of Chicago Pritzker School of Medicine. Commissioned in the United States Army, she completed psychiatry residency and child and adolescent fellowship at Walter Reed Army Medical Center. She later led Behavioral Health at Blanchfield Army Community Hospital and served 15 years as Department Chief at Alexander T. Augusta Military Medical Center, expanding key programs and mentoring staff and trainees. She retired as a CAPTAIN (O6) in 2026 with over 20 years of practice.

Dr. Singh provides a safe, nonjudgmental space where patients and families can openly share concerns. She partners with them to select evidence-based treatments that best address their symptoms and goals.

She begins with a thorough discussion of strengths, stressors, and biological and social factors to determine safety and level of care. Together, they develop a plan that may include medication, therapy, or referrals, with testing as indicated. Follow-ups include symptom review, plan adjustments, and attention to sleep, exercise, nutrition, hydration, and basic needs.