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For more information, contact our corporate office: 

Optum
3990 Concours, Ste. 500
Ontario, CA 91764
1-909-605-8000

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Provider disputes and appeals

Provider dispute resolution department
P.O. Box 6902
Rancho Cucamonga, CA 91729-6902

 

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Claims addresses – Southern California 

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Optum, formerly PrimeCare
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903

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Mercy Physicians Medical Group
P.O. Box 6907
Rancho Cucamonga, CA 91729-6907

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Optum Care Network–North County SD
P.O. Box 6906
Rancho Cucamonga, CA 91729-6906

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Optum Care Network–Valley Physicians
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903

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Humana & SCAN PO2
P.O. Box 6904
Rancho Cucamonga, CA 91729-6904

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Healthplan Forwards
P.O. Box 6901
Rancho Cucamonga, CA 91729-6901

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Optum Care Network–Desert Cities
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903

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Helpful resources

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Downstream provider notice

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Claims payment practices

Learn more about our claims payment policies.

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