OneCare (HMO D-SNP)

Find a Behavioral Health Provider

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If you are a OneCare (HMO D-SNP) or OneCare Connect member and need help with mental health or substance use services, please call CalOptima Health Behavioral Health at 1-855-877-3885. TTY users can call 711. This is a toll-free telephone number available 24 hours a day, 7 days a week.


All providers have access to language line interpreters.

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New OneCare Members

To file a complaint with Medicare, click on the following link to complete a complaint form on the Medicare website: Medicare Complaint Form.

H5433_24WEB001_2024_A (Accepted 9/19/2023)


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