A physician assistant has been convicted of 12 counts of healthcare fraud for injecting amniotic fluid into patients in an attempt to manage pain. Fort Worth, Texas-based physician assistant Ray Shoulders, 36, and his conspirators submitted $788,000 in fraudulent claims and received more than $614,000 in reimbursements for injecting amniotic fluid to relieve pain, according to a Jan. 25 news release from the Justice Department.