Dr. Vandiepen graduated from the Oklahoma State Univ Center For Health Sciences College of Osteopathic Med in 1983. She works in Ormond Beach, FL and specializes in Internal Medicine. ... Accepting New Patients ; Medicaid Accepted ; Mon 8:00 am - 4:00 pm. Tue 8:00 am - 4:00 pm. Wed 8:00 am - 4:00 pm. Thu 8:00 am - 4:00 pm. Fri 8:00 am - 12:00 ....