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 Professional.Relations@mhn.com 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
P.O. Box 14621
Lexington, KY 40512-4621
Claims Customer Service:
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.
Contact custom benefit access number listed on member ID card.
Network practitioners may obtain information about their current contract with MHN, by contacting their regional representative for Professional Relations.
MHN Professional Relations
P.O. Box 10086
San Rafael, California 94912-9874
If you are having technical difficulties with the Provider Portal, please contact us using the online form.