For more information, contact our corporate office:
Optum
3990 Concours, Ste. 500
Ontario, CA 91764
1-909-605-8000
Provider disputes and appeals
Provider dispute resolution department
P.O. Box 6902
Rancho Cucamonga, CA 91729-6902
Claims addresses – Southern California
Optum, formerly PrimeCare
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903
Mercy Physicians Medical Group
P.O. Box 6907
Rancho Cucamonga, CA 91729-6907
Optum Care Network–North County SD
P.O. Box 6906
Rancho Cucamonga, CA 91729-6906
Optum Care Network–Valley Physicians
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903
Humana & SCAN PO2
P.O. Box 6904
Rancho Cucamonga, CA 91729-6904
Healthplan Forwards
P.O. Box 6901
Rancho Cucamonga, CA 91729-6901
Optum Care Network–Desert Cities
P.O. Box 6903
Rancho Cucamonga, CA 91729-6903
Helpful resources
Downstream provider notice
Get claims submission information for physicians and providers.
