Ethan Bardell, LMHC

Amanda Bevan is a licensed therapist with five years of experience working with adults. She holds a Master of Social Work from The Ohio State University and is licensed as an LISW-S in Ohio and an LCSW in Maine and Virginia. Amanda has experience treating anxiety, depression, stress, trauma, life transitions, and self-esteem, and has worked primarily with adults in community mental health, healthcare, and outpatient substance use and mental health settings. Her clinical work draws from evidence-based approaches including CBT, DBT, ACT, mindfulness-based therapy, motivational interviewing, and strengths-based care.

Amanda brings a warm, collaborative, and nonjudgmental style to therapy. She believes treatment should be personalized, goal-focused, holistic, and centered on each individual’s unique needs. She prioritizes creating a safe and supportive space where patients feel heard, respected, and empowered throughout their therapeutic journey.

Amanda begins with a comprehensive initial session to understand each person’s concerns, history, and goals. She partners with patients to develop individualized treatment plans and uses ongoing sessions to build skills, deepen insight, and track progress. Treatment is regularly reviewed and adjusted as needs and goals evolve.

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. Peckover is a Staff Psychiatrist at Talkiatry. He is certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. He has been practicing for three and a half years. Dr. Peckover provides patient-centered care with an emphasis on medication management, psychoeducational, and lifestyle adjustments. He typically provides supportive or integrative therapy along with medication management, but some cases will require the addition of a therapist to the treatment team. Dr. Peckover received a Bachelor's of Medical Science from the University of Western Ontario in Canada and received his Medical Degree from Ross University. He completed his residency at Metropolitan Hospital in Manhattan, where he served as chief resident in his final year. He then worked as a psychiatrist in the outpatient department at Kings County hospital, where he also supervised residents from SUNY Downstate. As an outpatient psychiatrist, Dr. Peckover has an extensive history of treating patients of all ages with a wide variety of psychiatric disorders, with an emphasis on mood and anxiety disorders. He treated patients remotely during the COVID-19 outbreak, helping to manage the increase in stress that came with the pandemic.

Aramis Sinclair, LCSW, has a background in crisis management, anxiety, depression, life stressors, trauma-informed care, outpatient care, and both short- and long-term treatment. They earned a BSW from Brandman University (now UMass Global) and an MSW from the University of Kentucky. Their experience across settings allows them to offer compassionate, informed, and adaptable care.

Clients can expect a warm and inviting environment. Aramis provides structured yet flexible treatment, supporting clients in achieving their goals while addressing additional concerns as they arise. They value honesty, openness, and willingness, fostering a space where clients feel comfortable exploring sensitive topics.

Aramis begins by building rapport and understanding each client’s reasons for seeking treatment and their goals. They create individualized treatment plans tailored to each client’s needs, which can be adjusted over time to best support progress and well-being.

Dr. David Guggenheim is an experienced clinical psychologist and health care administrator. He has worked with patients at different stages of life, including children, adolescents, and adults, and he has treated patients living with a wide range of mental health conditions, including anxiety, depression, post-traumatic stress disorder (PTSD), substance use, and attention-deficit hyperactivity disorder. Dr. Guggenheim has specific training in Trauma-Focused Cognitive Behavioral Therapy, Motivational Interviewing, and foundational training in dialectical behavioral therapy. Prior to joining Talkiatry, Dr. Guggenheim served as the Chief Behavioral Health Officer at Callen-Lorde Community Health Center in New York City, specializing in LGBTQ+ health care. In that role, he oversaw teams of providers including psychiatrists, psychologists, and social workers, who collectively provided care to thousands of patients in the New York metropolitan area. While at Callen-Lorde, he also served as co-chair for the behavioral health subcommittee of the Community Health Center Association of New York State; worked as an Adjunct Professor at Post University; and performed volunteer clinical work at the Weill Cornell Center for Human Rights. Before joining Callen-Lorde, Dr. Guggenheim worked as Associate Chief Behavioral Health Officer at Community Health Center, Inc., a federally qualified health center in Connecticut. A recognized expert, Dr. Guggenheim has delivered lectures to audiences ranging from medical schools to corporate executives, and he has been quoted in national media including The Advocate, Yahoo Finance, and Teen Vogue. Dr. Guggenheim has also been honored with an Early Career Achievement Award from the American Psychological Association in 2016. Dr. Guggenheim received his Bachelor of Arts from the University of Connecticut in 2002 and his Doctor of Psychology in Clinical Psychology from the American School of Professional Psychology at Argosy University/Washington, DC in 2009.

Jennifer Maguire is a Licensed Professional Counselor in New Jersey with over 25 years of experience supporting individuals through life’s most complex challenges. She holds degrees from Rutgers University, Rowan University, and the University of Phoenix.

Jennifer Maguire approach is warm, interactive, and client-centered, guided by empathy, respect, and collaboration. Jennifer draws from evidence-based practices such as CBT, DBT, Solution-Focused Therapy, and trauma-informed care. She works closely with each client to identify strengths, clarify goals, and create a personalized treatment plan that fosters healing and growth.

Jennifer Maguire supports clients in understanding how their thoughts, emotions, and behaviors connect, and teaches skills like mindfulness, distress tolerance, and emotional regulation. Jennifer believes therapy is a partnership where clients feel heard, empowered, and respected. Her goal is to help individuals move toward a life of greater peace, connection, and fulfillment.

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