Mark Helms, MD

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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Dr. Kristin Ratz is a Board-Certified psychiatrist who is an expert in the diagnosis, treatment, and prevention of mental, emotional and behavioral disorders. She specializes in medication management combined with supportive therapy during 30-minute follow-up sessions. Dr. Ratz recognizes that each patient is unique and believes in an environment of collaboration, in which the patient and psychiatrist work together in order to develop the best individualized treatment plan. A California local, Dr. Ratz obtained her undergraduate education at University of California, Davis, graduating magna cum laude with a degree in Human Development. She then attended medical school at Loma Linda University School of Medicine, obtaining her Medical Doctorate. Following this, she completed her adult psychiatry residency training at the distinguished University of California, Irvine. Dr. Ratz has worked in a diverse range of healthcare settings, including county and community clinics, and is very experienced in telepsychiatry. She pays close attention to not only an individual's emotional state, but also their physical, spiritual, and social well-being, in order to provide her patients with exceptional holistic care.

Dr. Benjamin Adler is a physician who specializes in adult psychiatry. He utilizes medication management in conjunction with therapy. His practice includes the treatment of multiple mental health conditions including depression, anxiety, bipolar disorder, PTSD, ADHD, and OCD. Dr. Adler emphasizes a holistic approach to treatment that is non-judgemental and compassionate. He works closely with patients to establish plans that fit their individualized needs. Dr. Adler is a graduate of Johns Hopkins University, where he received his Bachelor of Science degree in Neuroscience. He attended medical school at Touro College of Osteopathic Medicine, graduating with honors. Dr. Adler completed his psychiatry residency at Woodmont Hospital in South Florida, where he supervised junior residents and medical students.

Deborah Bearman, PMHNP, is a board-certified psychiatric nurse practitioner dedicated to helping individuals facing mental health challenges live more fulfilling lives.

She earned her Master of Science in Nursing with a specialty in psychiatry from SUNY Upstate Medical University. Deborah is trained in psychiatric diagnosis, medication management, and both psychodynamic and cognitive behavioral therapies. Over the past 10 years, she has gained valuable experience in a variety of settings, including inpatient and outpatient facilities, community mental health clinics, and private practice.

Deborah approaches adult mental health from a holistic perspective, combining medication management with supportive counseling, which she offers during 30-minute follow-up sessions. While her primary focus is medication management, she believes most individuals benefit from therapy as well. She has extensive experience in both psychodynamic and cognitive behavioral therapies and is committed to providing psychoeducation to patients, families, and caregivers.

As a psychiatric nurse practitioner, Deborah values the therapeutic relationship and its positive impact on daily functioning. By working collaboratively with patients to create comprehensive and effective treatment plans, she supports them in achieving healthier, more satisfying lives.

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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.

Dr. Ali is a lifelong New Yorker who has always been fascinated by the complexity of the human mind, behavior, and experience. Growing up in a vibrant and diverse city, she developed a deep appreciation for how culture, environment, and individual background shape a person’s psychological well-being. Driven by this passion, she pursued her medical degree at SUNY Downstate Health Sciences University, where she gained a strong foundation in both the biological and psychosocial aspects of medicine. She then completed her general psychiatry training at SUNY Stony Brook University Hospital, where she worked closely with a diverse patient population from varied religious, cultural, socioeconomic, and age groups.

Dr. Ali prioritizes open communication and mutual trust, creating a safe, nonjudgmental environment where patients feel respected and empowered to actively engage in their care. She integrates psychotherapy techniques and takes a holistic, person centered approach to treatment.

Dr. Ali believes in collaboration and shared understanding grounded in evidence-based therapies. Her typical process includes developing individualized treatment plans aimed at symptom relief, improved functioning, and overall quality of life. Beyond medication management, she incorporates psychotherapy techniques and psychoeducation to help patients build coping skills and insight.

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