OUR PROVIDERS

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Dr. Angela Spray graduated summa cum laude from Southern Illinois University in Edwardsville in 1995 and received her medical degree from St. Louis University Medical School, graduating magna cum laude in 2000. She completed an internship in Internal Medicine and then went on to complete her Dermatology residency at Washington University Medical Center in St. Louis, Missouri. She was awarded the Chief Resident position in 2003 and graduated from Washington University's Division of Dermatology in 2004. Dr. Spray is board certified through the American Academy of Dermatology (AAD). She is also a member of the American Medical Association (AMA) and the American Society of Dermatologic Surgery (ASDS). Dr. Spray regularly receives continuing medical education and stays current in diseases, therapeutics, and new and emerging technologies by attending local and national meetings. Dr. Spray established her medical practice in O'Fallon, Missouri in 2004. She serves her community by participating in free skin cancer screenings and by providing care through Volunteers in Medicine. Dr. Spray is a Christian physician who is dedicated to providing quality, compassionate care for her patients.

Casey Wegener is a board certified physician assistant. She was raised in Mt. Zion, Illinois. She received her Bachelor of Science in Biological Sciences and graduated with honors at Southern Illinois University Edwardsville. She attended Shenandoah University in Winchester, Virginia where she graduated with a Master of Science in Physician Assistant Studies. She started her physician assistant career in family medicine in Springfield, Illinois. She moved to St. Charles, Missouri with her husband, thereafter, and joined the O'Fallon Dermatology Specialists team in 2017. She has received specific training in dermatology under the direction of Dr. Spray. As a physician assistant in dermatology, Casey performs skin exams, diagnoses and treats various skin conditions, prescribes medications, performs biopsies and other minor procedures. Casey is a board certified physician assistant by the NCCPA and licensed by the State of Missouri's Board of Healing Arts. She is also a member of the Society of Dermatology Physician Assistants. To maintain certification, Casey completes regular continued medical education and takes board certification exams every 10 years. In her free time, she enjoys spending time with her husband, son, and daughter. Casey is a warmhearted, compassionate physician assistant who seeks to provide quality and compassionate care with the patient's best interest in mind. 

Hannah Spray is a board certified physician assistant who recently graduated with her Master of Science Degree in Physician Assistant Studies from the Southern Illinois University - Carbondale. She was awarded her Bachelor of Science in Biology and graduated summa cum laude from the University of Kentucky in 2022. Hannah was raised in the O'Fallon area and has a wide range of experience in dermatology. She has shadowed and trained alongside Mohs surgeons and dermatologists throughout the St. Louis area before arriving here at O'Fallon Dermatology. Hannah is trained to perform full body skin checks, biopsies, and minor procedures, as well as diagnose and treat various skin diseases. She is a board certified physician assistant through the NCCPA and licensed by the State of Missouri's Board of Healing Arts. Hannah is currently working to receive her Diplomate Fellowship Certification through the Society of Dermatology Physician Assistants. This training is designed to broaden her clinical scope and keep her up-to-date with the current treatment options available in dermatology, allowing her to provide the best care for patients. Outside of the office, Hannah enjoys spending time with her family, friends, and fiancé. Being a recent graduate, Hannah is eager to enter the medical field and begin her career. She is excited to exercise her new skills and provide quality care to her patients.