Riley Guinan, PA-C, MSPAS

Riley is a board-certified physician assistant providing psychiatric care at Zellig Psychiatry. She earned her undergraduate degree in psychology from Rutgers University and her physician assistant degree from Thomas Jefferson University, graduating with honors from both institutions.

As an undergraduate, she worked in a research laboratory studying antidepressant response in models of depression. She also worked with children with neurodevelopmental conditions, including autism spectrum disorder. In graduate school, her capstone project focused on ketamine in the treatment of depression. She has since completed the Neuroscience Education Institute’s Master Psychopharmacology Program.

Her clinical experience spans inpatient and outpatient addiction medicine and psychiatry, where she has treated mood, anxiety, and attentional disorders in medically complex patients. She remains active in physician assistant–specific professional organizations and values advocacy for the evolving role of PAs in psychiatric care.

At Zellig Psychiatry, she provides careful, individualized outpatient care with an emphasis on collaborative decision-making and long-term functional improvement.

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