A longstanding issue at the NIH Clinical Center has been identifying the medically responsible providers who are caring for a patient within the Electronic Health Record. This information is key to multiple clinical processes and to patient safety, including the notification of the medically responsible provider of any critical lab values or Radiology results. Pilot service teams from different institutes were intentionally selected with a mix of complexities and service model. A pilot study introduced triggers at the correct points in the patient admission process, as well as leveraging electronic tools which capture service team coverage schedules, to largely automate the process of maintaining accurate provider assignment on Inpatients. The existing provider assignment methodology was compared to the new methodology with results finding improved accuracy from the new methodology for those participating service teams. Findings, methodologies and lessons learned will be presented.