Jeffrey Tiemann
Investigations Supervisor, Missouri Medicaid Audit and Compliance (MMAC)
Department of Social Services
Jeffrey currently serves as the Investigations Supervisor with Missouri Medicaid Audit and Compliance. He joined the Department of Social Services in 2015 as an Investigator and was promoted to his current position in 2022. In his current role, he leads a team of investigators and coordinates investigations of suspected fraud, waste, and abuse within Missouri’s Medicaid programs. Prior to joining the Department of Social Services, he was in Investigator and Probation and Parole Officer within the Department of Corrections. Jeffrey holds a Bachelor of Arts in Criminology and is credentialed as a Certified Fraud Examiner.
