Geoffrey Sinner, MD

Dr. Steven Mathew is a trained adult and child and adolescent psychiatrist. He recently completed his child and adolescent psychiatry fellowship at the University of Miami/Jackson Health System, where he served as chief fellow. He completed his general psychiatry residency at Pine Rest Christian Mental Health Services in Grand Rapids, Michigan. Dr. Mathew earned his Doctor of Osteopathic Medicine from the Philadelphia College of Osteopathic Medicine’s Georgia campus, a satellite campus located in the Atlanta metro area. He graduated from the University of Georgia with a Bachelor of Science in Biology and afterwards obtained a Master of Public Health in Health Policy and Management.

Dr. Mathew has had extensive clinical experiences caring for patients across the lifespan in specialty inpatient units, partial hospitalization programs, emergency psychiatry, outpatient clinics, consult liaison psychiatry, and telemedicine. He has clinical expertise in treating depression, anxiety, trauma, OCD, ADHD, and tic disorders.

Dr. Mathew's treatment approach combines evidence-based medication management with supportive therapy, emphasizing empathy, collaboration, and goal-oriented care tailored to each patient and family.

‍

Dr. Thomas O’Brien holds a Bachelor of Science degree from the University of Wisconsin–Madison and earned his medical degree from Midwestern University Chicago College of Osteopathic Medicine. He completed his psychiatry residency at Loyola University Medical Center. Dr. O’Brien has experience practicing across outpatient, PHP, IOP, and inpatient settings.

He strives to create a supportive environment where patients feel heard, respected, and understood. His approach emphasizes a holistic, whole-person method to healing, guided by the patient’s own goals and values. Dr. O’Brien integrates psychotherapy with medication management, drawing on his background in psychodynamic psychopharmacology and acceptance and commitment therapy.

Dr. O’Brien focuses on understanding each patient as a whole to create individualized treatment plans. This begins with a comprehensive history during the initial session to identify biopsychosocial factors. Treatment is then tailored to align with the patient’s unique goals and values, promoting meaningful progress.

Dr. Panchal is a board-certified adult psychiatrist who works with motivated adults to navigate and discover the root of their mental health struggles. Since working in private practice, Dr. Panchal knows that discovering the root of difficulties allows clients to find healthy perceptions of themselves and strengthen their relationships so they can know themselves as a whole. She is trained in multiple therapeutic modalities as well as medication management, implementing individually tailored treatment. Her educational background includes training in psychodynamic psychotherapy with the Psychoanalytic Association of New York. She has completed her psychiatry training at Delaware Psychiatry Residency Program in New Castle, Delaware.

Dr. Yolan Shaw earned her medical degree from the University of Texas Medical Branch in Galveston, TX and completed her psychiatry residency at UT Southwestern Medical Center in Dallas, TX. She has experience in both outpatient and inpatient care through her work at the Michael E. DeBakey VA Medical Center in Houston, TX, where she served veterans and caregivers. As a faculty member at Baylor College of Medicine, she also taught and supervised medical students and residents.

Dr. Shaw creates a warm, supportive environment where patients feel heard, understood, and respected. She values open communication and believes in working collaboratively with patients to establish clear, achievable treatment goals that reflect their individual needs and preferences.

Dr. Shaw begins the treatment process by thoroughly understanding each patient's history, concerns, and goals during the initial session. From there, she develops an individualized treatment plan designed to align with those goals and support meaningful progress over time.

Dr. Meagan Maas is a double board-certified psychiatrist in Child and Adolescent Psychiatry and Adult Psychiatry. She completed residency training at Western Michigan University Homer Stryker M.D. School of Medicine and a fellowship at Rush University Medical Center. She earned her MD from American University of the Caribbean, an MPH from Boston University, and a BS in Brain, Behavior, and Cognitive Science from the University of Michigan. Dr. Maas has primarily worked in outpatient psychiatry.

Dr. Maas works collaboratively with patients, families, and care teams to tailor treatment that fosters growth and positive change. She values open communication, clear goals, and meeting patients where they are. She aims to empower and advocate for patients by exploring educational, therapeutic, and holistic supports alongside medication. She is an LGBTQIA+ affirming provider specializing in child and adolescent care, with a focus on depression, anxiety, OCD, autism spectrum disorder, and mood disorders.

Dr. Maas creates a safe, inclusive space where patients feel comfortable expressing concerns. Her sessions are collaborative, with a focus on personalized treatment aligned with patient goals. Initial evaluations are 75 minutes; follow-ups are 45. She is a real human dedicated to helping patients and families live authentically and with confidence.

Dr. John Lundeen earned his medical degree from the Medical College of Georgia and completed his psychiatry residency at TriStar Centennial Medical Center. He has worked with adults of all ages in both outpatient and inpatient settings, bringing a wide range of experience to his practice.

Dr. Lundeen approaches every patient with respect, empathy, and a genuine desire to understand their unique experience. He recognizes that seeking treatment can be intimidating and strives to create a welcoming, non-judgmental environment where patients feel safe and heard.

Dr. Lundeen believes in a collaborative treatment process, prioritizing each patient’s goals, values, and input. He emphasizes mental health education as a core component of care, empowering patients to better understand their treatment options and take an active role in their well-being.