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 - New Provider Enrollment Portal
Maryland Medicaid will be transitioning from ePREP to the Maryland Provider Registration and Information Management Enterprise (MPRIME) portal in October 2026.