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After graduating summa cum laude with a Bachelor of Science in Biology from Duke University, Dr. Sun attended medical school at the Johns Hopkins University School of Medicine. She completed her residency in General Psychiatry at Yale University and fellowship in Child and Adolescent Psychiatry at the Johns Hopkins Hospital where she was chief fellow in her final year of training.

Dr. Sun is licensed by the Maryland Board of Physicians to practice medicine in the state of Maryland. She is a diplomate of the American Board of Psychiatry and Neurology, Inc., and also a member of the Maryland Psychiatric Society (MPS), American Psychiatric Association (APA), Maryland Regional Council of Child and Adolescent Psychiatry (MRCCAP), and American Academy of Child and Adolescent Psychiatry (AACAP).



Dr. Sun is on faculty at the Johns Hopkins University Department of Psychiatry and Behavioral Sciences as an Assistant Professor. She is also a Clinical Associate at the Johns Hopkins University Health Services-Mental Health, located at the Johns Hopkins Hospital, where she provides outpatient psychiatric treatment to Johns Hopkins graduate and professional students, postdoctoral fellows, and trainees. In this clinical position, she focuses on the evaluation, diagnosis and treatment of psychiatric conditions such as mood disorders, anxiety disorders, attention deficit and hyperactivity disorder, and adjustment disorder.