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If you have questions or need more information,
please contact us by any of the following methods.

For immediate assistance, please call us toll free at
(949) 923-3499 or (949) 923-3200
Monday – Friday 8:30-5pm
(TTY 800-735-2922).

For non-urgent inquiries, send us an e-mail by using this on-line form.
Fill in the fields below then click SUBMIT.

Information: If you prefer the US Mail, you can write to us at:

Monarch HealthCare
Attn.: ACO Department, Mail Stop 101
11 Technology Drive
Irvine, CA 92618

Information: If you would like more information on Medicare ACOs you may contact:

1-800-MEDICARE (1-800-633-4227) (TTY: 1-877-486-2048)
or click here to go to

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