From 2000 to 2004, Dr. Hillman served in active duty in the U.S. Air Force, stationed at Moody Air Force Base in Valdosta. After leaving the Air Force, Dr. Hillman went into private family practice until she returned to Moody to work at the Family Practice Clinic. She then spent a year in private practice in Nashville, Ga. Prior to joining Phoebe, Dr. Hillman was a member of the medical staff at Cook Medical Center and Cook Primary Care in Adel.

Dr. Hillman is a diplomate of the American Board of Family Medicine and is board certified in family medicine.