Brenda Camacho, MD

Dr. Pan is a board-certified psychiatrist with over 10 years of experience. She holds a Doctor of Medicine degree from UT Southwestern Medical School and completed her medical specialty training in the Department of Psychiatry at UT Southwestern Medical Center. She has served as faculty at UT Southwestern, teaching medical students and mentoring psychiatry residents.

Dr. Pan is a diplomate of the American Board of Psychiatry and Neurology. Dr. Pan specializes in medication management for adults with a broad range of psychiatric conditions, including anxiety, bipolar, depression, insomnia, PTSD/trauma-related disorders. Medication treatment may be complemented with elements of supportive psychotherapy, psychodynamic therapy, and cognitive behavioral therapy.

Dr. Pan works collaboratively with patients to develop evidence-based treatment plans tailored to their unique needs. If further psychotherapy is needed, she may recommend working with a therapist as well. Asking for help can be difficult, especially when it comes to mental health. During the first visit, patients can expect a welcoming space where they can share their concerns. The visit will also focus on a psychiatric evaluation covering symptom details, psychiatric and other medical history, prior treatments, and how the current symptoms affect the person as a whole.‍

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Dr. John Weller, MD, is a psychiatrist with a strong foundation in science and clinical care. He earned his undergraduate degree in molecular genetics from the University of Vermont and conducted neuroscience research in both academic and industry settings. A graduate of St. George’s University School of Medicine, he completed his psychiatry residency at Mather Hospital, Northwell Health, where he was honored as Resident of the Year in 2025 and inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Weller is committed to providing compassionate, evidence-based care that considers the full spectrum of biological, psychological, and social factors. He builds therapeutic relationships on empathy, respect, and trust. By tailoring treatment plans to each patient’s personal and cultural context, he helps individuals take control of their mental health and work toward long-term recovery and resilience.

In the first session, Dr. Weller takes time to listen carefully and gather a thorough understanding of each patient's concerns, history, and current functioning. He uses empathy and active listening to foster open communication and develop personalized treatment plans that may include therapy, medication, or lifestyle changes, with the goal of restoring wellness and stability.

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. Erica Cusick is a board-certified psychiatrist at Talkiatry. She completed her undergraduate training at the University of Rochester and medical school at Lake Erie College of Osteopathic Medicine. She is committed to treating a wide range of mental health disorders and addressing the psychological and emotional challenges faced by adults of all ages. During her residency training at Allegheny General Hospital, Dr. Cusick developed a keen interest in the nuances of medication management, including drug interactions and side effects, ensuring accurate diagnoses, the mental health needs of women, identification of attention-deficit/hyperactivity disorder in adults, and addressing mental health issues that may arise with concussions, traumatic brain injuries, strokes, Parkinson's Disease or dementia. Dr. Cusick approaches patient care collaboratively by actively listening to patients and involving them in their treatment planning while providing evidence-based care.

Dr. Jency Cynthia Sachidanandam completed her Residency and Fellowship at Texas Tech University Health Science Center in El Paso, gaining extensive training in diagnosing and treating various psychiatric conditions. As a Child and Adolescent Psychiatrist at Texas Tech, she works with a diverse patient population, addressing psychiatric disorders like depression, anxiety, bipolar disorders, PTSD, and OCD. Dr. Sachi emphasizes the importance of addressing both physical and mental health to achieve a good quality of life. She believes that mental health is interconnected with physical well-being and that treating one aspect without the other leads to incomplete care. Her holistic approach involves medication management, psychotherapy, and lifestyle modifications to promote overall health. Dr. Sachi is skilled in providing supportive psychotherapy and using psychodynamic therapy techniques to help patients understand and address their current stressors and underlying issues. Dr. Sachi has shown a genuine commitment to her patients and a passion for helping them achieve their best possible outcomes. She is dedicated to staying current with the latest advancements in psychiatry and continuously improving her skills to provide the highest standard of care. Her compassionate and patient-centered approach has earned her the respect and trust of her patients and colleagues alike.

Dr. Irene Pastis is a board-certified psychiatrist who specializes in adult psychiatry.  She completed residency training at East Carolina University in both internal medicine and psychiatry.  After residency, she pursued her passion in psychiatry and stayed on as a clinical assistant professor in the department of psychiatry at East Carolina University.  In this role she specialized in treating adults with mental illness in both the inpatient and outpatient settings.  She has spent a considerable amount of time teaching residents and medical students and has published several papers focusing on the neuroscience pathways of mental health conditions.  In her daily practice, Dr. Pastis focuses on evidence-based treatments utilizing the latest clinical guidelines and current approved treatments.  In addition to medication management, she also incorporates psychotherapy in the treatment of mental health conditions.  Dr. Pastis is passionate about taking a collaborative approach with her patients to help them reach their potential.