Olivia Collins, PA-C Olivia Collins, PA-C, is a physician assistant with AHN Surgery Institute, specializing in colorectal surgery. She provides patient education and care before, during, and after colorectal treatments/procedures. She received her Bachelor of Science and Master of Physician Assistant Science from Gannon University in Erie, Pennsylvania. Olivia is certified by the National Commission on Certification of Physician Assistants. She is also certified in Advanced Cardiovascular Life Support and Basic Life Support. Olivia believes that colon and rectal health is a sensitive topic and wants her patients to feel welcome and comfortable so that she can provide the highest level of care possible. Olivia Collins sees patients ages 18 and older.