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The Department of Health Care Services (DHCS) will review, validate and certify the provider network of each County Mental Health Plan (MHP), herein referred to as Plans. DHCS must ensure adequate access to appropriate service providers in accordance with Title 42 of the Code of Federal Regulations parts 438.207, 438.68 and 438.206(c)(1). DHCS will use this information to ensure compliance with CMS network adequacy requirements. In order to demonstrate network adequacy, Plans must submit a completed Network Adequacy Certification Tool (NACT).

If you are having trouble downloading these documents or have questions about these instructions, please contact Optum Support Desk at or 1-800-834-3792 and we will be happy to assist you.

Step 1. Registration

Part 1. One Healthcare ID

Part 2. Optum San Diego Website

Manage Your One Healthcare ID/Password

Step 2. Attestation



Other Resources

Registration FAQ's

Attestation FAQ's

Personal info tab FAQ's

MH/SUD sites FAQ's

Manage MH/SuD Sites FAQ's