​If you are a health care provider who wants to bill Medicaid for your services, you must enroll as a participating provider through ePREP​, Maryland Medicaid's online Electronic Provider Revalidation and Enrollment Portal. 

ePREP is a One-Stop Shop for Providers 

• Enroll or re-enroll
  
• Revalidate enrollment
• Update enrollment information​​​
  

MPRIME Enrollment System Transition- Go Live October 2026​

Maryland Provider Registration and Information Management Enterprise (MPRIME) FAQ​ - 2/10/2026​​​​​