Laura Long, MD

Rebecca Kostopoulos, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping individuals facing mental health challenges lead full and balanced lives.

Her practice primarily focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. When appropriate, Rebecca may recommend involving an additional therapist to ensure the most effective and comprehensive care.

She earned her Master of Science in Nursing with a specialization in psychiatry from Columbia University and her Bachelor of Science in Nursing from Boston College. Her training includes psychiatric diagnosis, medication management, and both psychodynamic and cognitive-behavioral therapies.

With over a decade of experience, Rebecca has evaluated and treated adults in a variety of clinical settings. Her previous roles include working at Elmhurst Hospital’s Comprehensive Psychiatric Emergency Program, Gracie Square Hospital’s inpatient unit, as well as in community health centers and skilled nursing facilities.

As a nurse practitioner, Rebecca believes that mental health is just as vital as physical health. She values the therapeutic relationship and approaches treatment with empathy and collaboration, ensuring that each patient receives personalized and compassionate care.

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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. Sarah Benito Figueroa is a board-certified Adult Psychiatrist and a board-certified Child and Adolescent Psychiatrist. She earned her medical degree from the University of Puerto Rico Medical Sciences Campus.  She completed her Adult Psychiatry residency at the University of Connecticut. Following this, she sub-specialized in Child and Adolescent Psychiatry at New York University. Prior to joining Talkiatry, Dr. Benito Figueroa served as a Child and Adolescent Psychiatrist at a busy academic outpatient clinic and on an inpatient basis, providing care to children with complex medical needs.

Dr. Benito Figueroa strives to provide a patient-centered and collaborative approach when developing treatment plans. She specializes in medication management and supportive psychotherapy. When appropriate, she may make a referral for more specialized therapeutic interventions. For child and adolescent patients, Dr. Benito Figueroa encourages parental involvement at each visit to ensure a family centered approach is being followed to best support the child's needs.

During the first visit, Dr. Benito Figueroa will conduct a comprehensive psychiatric evaluation with a goal of understanding a patient's treatment history, current symptomatology and personal goals. She will work together with her patients to foster a collaborative environment, personalize treatment plans and support patients in achieving an improved quality of life.

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Deora Johnson, PMHNP, is a board-certified adult psychiatric nurse practitioner with 24 years of experience. He is passionate about providing clients with a holistic approach to mental health care, incorporating both pharmacologic and non-pharmacologic interventions. Deora works with adult and senior populations, focusing on the assessment, diagnosis, and treatment of mental health conditions. He collaborates closely with clients to guide them through understanding and selecting the most effective interventions and medication management options for their needs. Supportive therapy, solution-focused therapy, and motivational interviewing are integral components of his medication management sessions.

Deora earned his Master of Science in Nursing from Vanderbilt University in Nashville, Tennessee, and completed a nursing practice degree at the University of Alabama in Birmingham. He has experience treating patients in a variety of outpatient and inpatient settings.

His areas of specialty include the treatment of major depressive disorder, anxiety disorders, bipolar disorder, ADHD, PTSD, and insomnia. His research focused on non-pharmacologic interventions for insomnia in individuals with depression.

Deora also has experience working with military veterans. At the VA Outpatient Clinic in Baltimore, Maryland, he treated veterans returning from Operation Iraqi Freedom and Operation Enduring Freedom, as well as those from the Vietnam and Korean War eras. His clinical work focused on PTSD, major depressive disorder, anxiety disorders, and bipolar disorder.

Deora believes the therapeutic relationship offers a unique opportunity to work collaboratively through life’s challenges. He views medication management as an important part of a comprehensive treatment plan that also includes therapy.

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Dr. Adeola Mustapha is a board-certified psychiatrist with experience across outpatient, inpatient, and community mental health settings. She completed her psychiatry residency at Indiana University School of Medicine – Vincennes in July 2024 after earning her medical degree from Ross University School of Medicine. Recognized for her exceptional psychotherapy skills, Dr. Mustapha received therapy awards in both her PGY3 and PGY4 years. Her background reflects a commitment to blending strong clinical training with compassionate, patient-focused care.

Dr. Mustapha creates a warm, collaborative, and supportive environment where patients feel respected and understood. She believes in the power of psychotherapy combined with evidence-based psychiatric care, always striving to integrate both in treatment. Open communication and clear, realistic goal setting are central to her approach. She is committed to a holistic perspective that considers emotional, physical, cultural, and social well-being. With an emphasis on empowerment, Dr. Mustapha encourages patients to take an active role in their healing journey.

Dr. Mustapha begins with a comprehensive evaluation to learn each patient’s history, concerns, and goals. She develops individualized treatment plans that may integrate therapy modalities such as CBT, DBT, TF-CBT, psychoanalysis, and FETI, along with medication management when appropriate. Using a goal-oriented, step-by-step process, she tracks progress and adapts treatment as needs evolve. Through ongoing dialogue, she ensures patients feel supported, informed, and engaged throughout their care. Her aim is to foster long-term resilience and overall wellness, not just symptom relief.

Dr. Michael Lukowski is an adult psychiatrist who holds board certification with the American Board of Psychiatry and Neurology. He has been practicing medicine for over 4 years. Dr. Lukowski focuses on medication management combined with supportive therapy in 30-minute follow-up visits. He practices whole-person medicine, caring for the wellness of your mind, body, and spirit and helping you enjoy your relationships with those around you. Dr. Lukowski received his medical degree from the University of Nevada School of Medicine in Reno, NV, before moving to southern California to complete his residency at Loma Linda University. After completing training, Dr. Lukowski began working with the Southern California Permanente Medical Group in Riverside, CA, where he treated a variety of psychiatric disorders in an outpatient setting. In March of 2020, as the pandemic changed life and medicine forever, Dr. Lukowski adopted a strictly telepsychiatry role at his clinic. He has also held a staff psychiatrist position as an adult inpatient psychiatrist in Tennessee. Dr. Lukowski treats a wide variety of psychiatric disorders within the adult demographic.