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Contact Pioneer Provider Network

Thank you for your interest in Pioneer Provider Network (PPN). We are here to assist you and answer any questions you might have.

If you have questions regarding Pioneer Provider Network, our contracted doctors, health maintenance organizations (HMOs), membership issues, or any other administrative questions please visit our website at or contact our PPN Customer Service Department:

For Commercial and Medicare Members

Provider and Member Services
Phone: (888) 720-2323
Fax (805) 988-5263

For Medi-Cal HMO Members as well as Medi-Medi Members (except SCAN Medi-Medi)

Contact MedPOINT Management
Provider and Member Services
Phone: (866) 243-8564
Fax (818) 466-6534


Medicare and Commercial Claims submission:

Pioneer Medical Group
P.O. Box 1397
Whittier, California 90609
Phone: 562-789-5401, option 3 or extension 81700

Medi-Cal and Healthy Families Claims submission:

Pioneer Provider Network c/o MedPoint Management
P.O. Box 571870
Tarzana. CA  91357
Phone: 866-243-8564
Fax: 818-466-6534

Corporate Address: 17777 Center Court Drive, Suite 400, Cerritos, CA 90703.  Phone: 562-229-9452  Fax: -562-229-0952.
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