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Contact Us

Important Contact Information

Please refer to the following information for provider assistance. Note that most issues can be handled via our online tools, by emailing or by submitting an electronic Contact Us form.

Address Changes, Practitioner
Please review your current provider profile by logging on and going to the "My profile" section. Most changes to your profile can be submitted using the online update tools.

After Hours Services
All calls made to MHN after business hours "roll over" to our After Hours unit. Intake and clinical after hours staff are available 7 days a week, 24 hours a day for pre-certification, authorizations or crisis triage.

Issue Inquiries and Provider Appeals

     Administrative Claims Denial Inquiry:
     Claims Research and Review
     P.O. Box 550
     Rancho Cordova, California 95741

     Formal Provider Dispute (for utilization management or administrative claims issues):
     Provider Disputes Unit
     P.O. Box 10697
     San Rafael, California 94912

     **For urgent member appeals process, see Section 12.D of the provider manual

Claims Address:
MHN Claims
P.O. Box 14621
Lexington, KY 40512-4621

Claims Customer Service:
(800) 444-4281
6:30 AM - 6:00 PM Pacific
Monday - Friday
If you have questions about a specific claim, please fill out and submit the Research and Review Form.

Complaints, Member
Contact custom benefit access number listed on member ID card.

Complaints, Practitioner
Please contact your regional representative.

Credentialing Status Look Up

Fee Schedule

Fraud and Abuse Hotline
(800) 327-0566

Intake, Care Management, Member Services Group Access Lines
Contact custom benefit access number listed on member ID card.
24 Hours

Professional Relations
Join Our Network

Network practitioners may obtain information about their current contract with MHN, by contacting their regional representative for Professional Relations.

For other inquiries, please email us at or please submit an online form.

Mailing address:
MHN Professional Relations
P.O. Box 10086
San Rafael, California 94912-9874

When you contract to become an MHN practitioner, you may also be contracting to be a TRICARE network participant in states in which MHN's parent company (Health Net, Inc.) manages TRICARE. For further information about CHAMPUS/TRICARE, please contact us at:
(877) TRICARE or (877) 874-2273

Website Issues
If you are having technical difficulties with the Provider Portal, please contact us using the online form.

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