Administrative Service Organization (ASO)
Information on the transition to Optum as the new Maryland Behavioral Health Administrative Service Organization.
Behavioral Health Administrative Service Organization Transition
Optum is Maryland’s Behavioral Health Administrative Service Organization (ASO).
ASO Transition Resources for Providers
Information and FAQs from MDH on the BHASO Transition
Optum Home Page
Sign up for Optum Provider Alerts
ASO Transition Update and Unaddressed Complaints
- For unaddressed Optum complaints, please email hcprovidercovidquestions@gmail.com