You Can Report Fraud or Abuse

Compliance and Ethics Hotline 1-877-837-4417

Call us

If you see any activity that you think is fraud or waste, we strongly encourage you to call our Compliance and Ethics Hotline at 1-877-837-4417, 24 hours a day, 7 days a week. We have staff who speak your language. TDD/TTY users can also call toll-free at 1-800-735-2929. You can also report it by using CalOptima’s Suspected Fraud or Abuse Referral form.

You do not have to give your name to report fraudulent activity.

Download the Suspected Fraud or Abuse form The confidential document includes instructions on how to fill it out and where to send it.

OneCare Customer Service
You can contact us online or by phone, 24 hours a day, 7 days a week.
1-877-412-2734 Toll-free
1-800-735-2929 TDD/TTY
Sign Up for OneCare
1-800-960-9070 Toll-free
Enrollment information

Visit Us

Visit our office Monday through Friday from 8 a.m. to 5 p.m.
Walk-ins welcome.
We are closed on certain holidays.
Address, map and directions
We speak your language
Request interpreter services

New OneCare Members

New member orientation schedule
Come to a meeting to learn about your new benefits
Frequently asked questions
Get quick answers to common questions about OneCare

Pharmacy

About the OneCare pharmacy program
Learn about your drug benefits
Medication Therapy Management
This program gives you tools to get the most from your drugs

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

H5433_21WEB001_2021_A (Accepted 10/4/2020)

Disclaimers

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