Saisha Saint-Cyr, MD

Dr. Erica Mark is a board-certified psychiatrist with experience in both inpatient and outpatient care. She formerly served as a Staff Psychiatrist at a VA Medical Center, where she specialized in the mental health needs of veterans. Dr. Mark earned her B.S. in Biological Sciences, Summa Cum Laude, from Hampton University, received her MD from the University of Texas Medical Branch, and completed her psychiatry residency at Tulane University School of Medicine, serving as Chief Resident in 2017.

Dr. Mark fosters a warm, supportive environment where patients feel heard and respected. She values open communication and works collaboratively to set clear, personalized treatment goals. Deeply committed to service, she has supported underserved and marginalized communities through various nonprofit initiatives.

During initial sessions, Dr. Mark takes time to understand each patient’s history, concerns, and goals. She then creates individualized treatment plans aligned with each patient's unique needs and preferences. Dr. Mark encourages ongoing dialogue to adapt care plans and support long-term progress.

Dr. Richard McCall is a board-certified psychiatrist with over 25 years of comprehensive experience in delivering exceptional mental health services across various settings. He received his medical degree from the University of Virginia School of Medicine and completed his Psychiatry residency training at Duke University School of Medicine. He treats adult patients of all ages and is known for a compassionate, patient-centered approach. Dr. McColl integrates psychopharmacology with multiple psychotherapy modalities. He has specialized training in psychodynamic psychotherapy, Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Acceptance and Commitment Therapy (ACT) and more. He looks forward to helping patients reach their goals for mental health care while providing a compassionate and collaborative environment.

Dr. Wilbur is a Double Board Certified Psychiatrist in Adult and Addiction Psychiatry. He completed his undergraduate degree in Public Health Studies at Johns Hopkins University and his medical education at the UMass Chan Medical School. Dr. Wilbur completed his psychiatry residency training and addiction psychiatry fellowship training at Yale School of Medicine. His practice focuses on medication management, typically offered in conjunction with supportive therapy in 30-minute follow-up visits. Dr. Wilbur has an interest in treating patients with a wide range of psychiatric conditions including but not limited to depression, anxiety, obsessive compulsive disorder, trauma- and stressor-related disorders, and bipolar disorders. He also has experience treating psychiatric conditions in patients experiencing co-occurring medical illness. Dr. Wilbur believes that successful treatment begins with mutual trust between a patient and their doctor. He uses a warm, nonjudgmental, and collaborative approach. His assessments consider the biological, psychological, and social, and cultural factors that impact mental health. He implements a range of evidence-based treatments to alleviate psychiatric symptoms and improve wellbeing.

Dr. Esha Garg is a board-certified psychiatrist starting her post-graduate practice with Talkiatry. After completing an undergraduate degree in psychology at Johns Hopkins University, she completed her medical degree at Kansas City University of Medicine and Biosciences. She is a recent graduate from the Adult Psychiatry Residency at University of Kansas Medical Center.

Dr. Garg's practice focuses on medication management but she believes in the importance of both therapy and medication management in treating mental illness. She offers medication management with supportive therapy in 30-minute follow up visits. She also utilizes referrals to therapists to enhance collaborative care and management of illness.

Dr. Garg believes in the importance of building a strong therapeutic relationship. She focuses on treating patients with depression and anxiety disorders. She believes in a holistic, patient-centered approach to care and encourages patient's to explore their physical, emotional, social and spiritual needs in addition to their mental health.

Dr. Kirk Murphy, MD, completed residency and fellowship training in Trauma and Consultation-Liaison Psychiatry at UCLA School of Medicine. He also completed subspecialty training at UCLA’s Human Sexuality, Anxiety Disorders, and Mood Disorders Clinics. Dr. Murphy has extensive experience caring for outpatients with anxiety disorders, mood disorders, PTSD, and complex medical conditions.

Dr. Murphy takes time to understand each patient and their unique circumstances. He focuses on clarifying diagnoses and thoughtfully discussing potential treatment options, including risks and benefits. He is committed to creating a supportive, empathic, and respectful environment that prioritizes patient comfort and collaboration.

After learning about a patient’s symptoms and needs, Dr. Murphy establishes diagnoses using standardized diagnostic instruments. He reviews findings with patients and discusses treatment options in detail, ensuring understanding and aligning care with each patient’s values and preferences.

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.

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