John Hendrick, 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.

‍

Dr. Emily Hutchison is a psychiatrist who earned her medical degree at the University of Washington School of Medicine. She brings over 20 years of experience treating patients with chronic illnesses and integrates whole health practices into her clinical approach. In addition to her medical training, she holds a master’s degree in Adult Fitness and Cardiac Rehabilitation, which informs her focus on the connection between physical and mental health. Dr. Hutchison’s practice is grounded in promoting well-being through a holistic lens that considers the whole person.

Dr. Hutchison prioritizes creating a collaborative relationship with every patient, tailoring treatment to meet the unique needs and goals of each individual. She believes in the importance of open communication, mutual trust, and shared decision-making as the foundation for effective care. Patients can expect a supportive and respectful environment where their experiences are valued, and treatment is approached as a partnership.

In her work, Dr. Hutchison begins by exploring each patient’s personal experiences and symptoms in depth, with the goal of understanding the whole picture of their health. She develops holistic treatment plans that integrate both medical and lifestyle considerations to support long-term wellness. Known for her punctuality, excellent communication, and genuine regard for every patient, Dr. Hutchison strives to ensure that care is not only effective but also compassionate and individualized.

Dr. Clark is a board-certified adult psychiatrist. She is fellowship-trained in Child and Adolescent Psychiatry and has been in practice for 11 years. She received her medical degree from the Medical University of South Carolina. Dr. Clark then completed her residency training and continued her training in child and adolescent fellowship at the Medical College of Georgia. Dr. Clark works with patients to create an environment where they feel comfortable and supported. She focuses on medication management along with supportive therapy. Normally visits are 30-minute follow-ups that allow time to focus on areas of support needed. If additional therapy is recommended, she will request a therapist be added to your care team to meet all your needs. Dr. Clark has worked in both inpatient and outpatient settings with adult, child, and adolescent populations. She has worked in private practice as well as community mental health, where she worked with reaching under-served communities. Dr Clark has a passion for treating both adult and child and adolescent patients with anxiety and depression.

Margaret Ngumi, MSN, APRN, FNP-C, PMHNP-BC, is a dual board-certified Psychiatric Mental Health and Family Nurse Practitioner with over 20 years of experience in healthcare. She began her career as a Family Nurse Practitioner and later pursued a post-master’s certification in psychiatry to address the growing need for accessible mental health services. Margaret has extensive experience in both inpatient and outpatient settings, treating conditions such as depression, anxiety, PTSD, mood disorders, and substance use disorders.

She takes a collaborative, patient-centered approach to care, creating a safe and supportive environment where individuals feel heard and empowered. With a strong emphasis on holistic care, Margaret considers all aspects of a patient’s well-being—including lifestyle, relationships, and overall health. Whether through medication management, therapy, or lifestyle modifications, she is committed to helping patients achieve meaningful and lasting improvements in their mental health.

Margaret begins with a comprehensive psychiatric evaluation to understand each patient’s history, concerns, and goals. She then works closely with them to develop a personalized care plan that may include medication, therapy, and evidence-based lifestyle interventions. She prioritizes open communication, patient education, and ongoing collaboration to ensure treatment remains effective and evolves with each patient’s needs. Through her compassionate and evidence-based approach, Margaret is dedicated to helping individuals find balance and improve their overall quality of life.

‍

Dr. Alexandra Held is a general psychiatrist who holds a bachelor’s degree in psychology. She completed her psychiatry training at the University of Miami Miller School of Medicine. Her clinical interests include mood and anxiety disorders, PTSD, and OCD. She is passionate about incorporating psychotherapeutic tools into her practice, including supportive psychotherapy.

Dr. Held takes a warm, collaborative, and nonjudgmental approach to care. Her goal is to create a safe and supportive space where patients feel heard and empowered to take an active role in their treatment, using a combination of supportive psychotherapy and medication management.

During the first few sessions, Dr. Held will take time to get to know the patient—their history, current concerns, and what they hope to achieve through treatment. Together, they will develop a comprehensive plan that may include psychiatric medications and supportive therapy. Follow-up visits are typically focused on checking in, adjusting treatments if necessary, and continuing to build on progress.

‍

Dr. Aileen Kim approaches medication management with an emphasis on shared decision-making within safe, effective options, thorough counseling about what to expect in treatment, and giving attention to the concurrent use of non-medication modalities of treatment alongside optimizing medication. She is accustomed to working with people who have more than one diagnosis. She is skilled and experienced in de-prescribing (methodically streamlining the number of medications being taken) when needed. Patients can see Dr. Kim for medication management, therapy, or both. Dr. Kim is board certified in Adult Psychiatry. She graduated from the University of Illinois College of Medicine in Chicago in 2004. She was selected for the Health Professions Scholarship Program and completed her residency in 2008 at Naval Medical Center Portsmouth in Virginia, where she was chief resident. Following residency, she deployed to Kuwait as a medical officer. She has taught and supervised residents at Walter Reed National Military Medical Center. She left active duty in the Navy as a Lieutenant Commander. After becoming a civilian, she went into solo practice, then joined Potomac Behavioral Solutions in 2014, where she served as medical director. Dr. Kim is a past president of the Virginia Psychoanalytic Society. She also lectures advanced mental health professionals for Lingyu International Psychology Centre based in Toronto. For established patients of Dr. Aileen Kim, please call 833-351-8255 to schedule an appointment and let the patient care coordinator know you are an established patient from her prior practice.