Thomas Spina, MD

Justin Stone is a board-certified Psychiatric-Mental Health Nurse Practitioner (PMHNP) with experience in both outpatient and inpatient psychiatric settings, including in-person and telehealth care. He completed his undergraduate and master’s programs at Southern Adventist University in Collegedale, Tennessee. Justin is committed to providing compassionate, patient-centered care that addresses the whole person—mind, body, and environment.

Justin works collaboratively with patients to reach personal goals and support a more fulfilled life. He strives to create an open, judgment-free relationship where patients can be completely themselves. His aim is to provide a safe space for vulnerability without fear of judgment, fostering trust and partnership in the therapeutic process.

Patients can expect a thorough initial evaluation to ensure the correct diagnosis is addressed from the start. Justin prioritizes safety and evidence-based best practices while tailoring treatment plans to individual goals. His approach is focused on developing personalized strategies that help patients achieve meaningful improvements in mental health and overall well-being.

Dr. Wasser is a staff psychiatrist at Talkiatry, dedicated to providing compassionate and effective care through telepsychiatry. He completed his undergraduate studies at Moravian College in Bethlehem, Pennsylvania, where he focused on Neuroscience and Pre-Medical studies. Subsequently, he pursued his medical degree at Rocky Vista University in Parker, Colorado before completing his psychiatry residency at HCA Aurora in Aurora, Colorado. Dr. Wasser was the recipient of the Chairman's Crystal Distinction of Excellence Award, rewarding a resident's exemplary performance and endorsing a resident's future success in the field of psychiatry. With a strong foundation in both neuroscience and psychiatry, Dr. Wasser approaches each patient with a deep understanding of the mind-body connection and the complexities of mental health. When Dr. Wasser is not providing professional care, he is an advocate for personal health and wellness. He enjoys spending quality time with his wife and family, staying active through exercise, relaxing at the Jersey Shore, and exploring new travel destinations.

Dr. Wasser's approach to patient care is rooted in empathy, trust, and collaboration. He is dedicated to listening closely to each patient's unique concerns and crafting personalized treatment plans that address both immediate symptoms and long-term mental well-being. His specialties include managing mood disorders, anxiety, depression, obsessive-compulsive disorder and stress-related conditions, with a particular emphasis on helping individuals navigate life transitions and mental health challenges.

Dr. Wasser believes in a thorough and patient-centered approach. During the first session, he takes the time to understand his patient’s history, current struggles, and goals for treatment. Together, they establish clear and realistic objectives to guide the treatment process. Dr. Wasser offers a combination of psychotherapy, medication management, and wellness strategies to support his patients. He values open communication and ensures that every patient feels heard and empowered throughout their mental health journey.

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Dr. Alton Williams is a board-certified psychiatrist with experience practicing in both outpatient and inpatient psychiatry settings. He earned his medical degree from Washington University in Saint Louis and completed his psychiatry residency at the Medical University of South Carolina. His clinical background allows him to support patients across a wide range of mental health needs with a thoughtful, well-rounded perspective.

Dr. Williams values open communication and works collaboratively with patients to set clear, meaningful treatment goals. Respect, compassion, and a non-judgmental approach are central to his practice. He believes mental health care is most effective when patients feel heard, understood, and empowered to take an active role in their care.

Dr. Williams begins by developing a thorough understanding of each patient’s history, concerns, and goals during the initial session. He creates individualized treatment plans that align with patient priorities and integrates medication management with supportive therapy and other evidence-based tools to promote lasting progress.

Maegan Roberts, PMHNP, earned her MSN from Indiana University School of Nursing and her BSN from the University of Evansville. She worked as a Registered Nurse in inpatient psychiatry for five years before transitioning to outpatient care as a psychiatric nurse practitioner in 2017. Maegan has experience treating patients across the lifespan, from school-aged children to older adults. She is especially attuned to the challenges of young adulthood, parenting, and navigating complex family dynamics. Committed to lifelong learning, she values the insights and perspectives her patients bring to their care.

Maegan creates a therapeutic environment grounded in dignity, empathy, and respect. She empowers patients through education about diagnoses, symptoms, and medications while promoting autonomy and informed decision-making. Her approach blends psychopharmacology with supportive therapy, skill-building, and sustainable lifestyle strategies, helping patients build insight and resilience.

In the initial appointment, Maegan takes time to understand each patient’s history, concerns, and goals. From there, she collaborates with patients to create and adapt treatment plans that align with their evolving needs, always keeping the individual’s unique context and aspirations at the center of care.

Avi Adri is a board-certified psychiatric nurse practitioner with a passion for helping others achieve their goals through medication management and psychotherapy. He is trained in cognitive behavioral therapy, psychodynamic therapy, and supportive therapy. Avi has experience supporting individuals with depression, anxiety, OCD, bipolar disorder, PTSD, and ADHD. He is an LGBTQIA+ affirming provider who believes in empowering individuals in their lives.

He earned his Master of Science in Nursing with a specialty in psychiatry from Stony Brook University and a nursing practice degree from Chatham University. Avi is committed to providing evidence-based, compassionate treatment for mental health conditions to enhance quality of life. His previous experience includes two years at Columbia University Medical Center on an inpatient psychiatric unit and four years on the medical consultation-liaison psychiatric team, where he treated patients with a range of acute and chronic medical conditions while providing medication management and psychotherapy. His work at Columbia involved treating a wide spectrum of psychiatric conditions with the goal of achieving symptom remission.

Additionally, Avi has practiced at a private clinic in New York City, focusing on interventional techniques such as TMS and ketamine therapy, alongside medication management and psychotherapy.

Through mindful techniques and compassionate care, Avi is dedicated to the well-being of his clients. He views each person as more than a diagnosis and approaches care through a client-centered, holistic lens.

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Xavier Diao, MD (he/him) is a board-certified psychiatrist. He earned his undergraduate degrees in Psychology and Biological Sciences at the University of Maryland, where he also obtained his medical degree. Dr. Diao completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai, received additional training in child and adolescent psychiatry at Columbia and Cornell, and finished a psychoanalytic fellowship at the New York Psychoanalytic Society & Institute. Prior to joining Talkiatry, he was an Assistant Professor of Clinical Psychiatry at the University of Pennsylvania, where he provided clinical care and teaching along the undergraduate-graduate medical education continuum.

Dr. Diao's therapeutic orientation is informed by psychodynamic, cognitive behavioral, and dialectical behavior modalities. He has expertise in the treatment of a diverse range of mental health conditions, including depression, anxiety, OCD, and PTSD. Dr. Diao uses a developmentally informed and LGBTQ-affirmative approach in his practice, with the aim of enriching meaning and alleviating suffering in the domains of work, play, and love.

Dr. Diao begins each encounter with gentle curiosity, inviting patients to share their stories without fear of judgment. Together, he crafts an individualized treatment plan with the patient that may include medication, psychotherapy, and/or referrals to subspecialty care, always in close collaboration with other members on the treatment team.

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