Contact Us

Thank you for your interest in the AMN, RAN, and HMN networks. Contact information for commonly requested service departments is listed below. 

Health Plan Participants:

For questions concerning benefits coverage and eligibility, pre-authorization requirements and the status of claims, please contact your health plan administrator directly. The service number should be listed on your healthcare ID card. 

To locate a participating provider, please refer to the instructions on your healthcare ID card as your health plan may have established a telephone number customized for the plan. Otherwise, you may search for a provider on our online provider search.

Healthcare Providers

For the fastest service, please use the contact information provided below based on your specific service request: 

•          To join our networks, please visit our online provider nomination system .

•          To check status of an application, click here if you applied online or call 800-919-1173

•          To check status of your re-credentialing, you can request service online or call 800-919-1173

•          To submit updates to your demographic information:

o   Via e-mail:

o   Via fax: 630-649-5674

o   Via mail: Attn: HMA Intake, 6116 Shallowford Rd, Suite 109B, Chattanooga TN, 37421-7209

•          For claim disputes unresolved after contacting the health plan and all other provider inquiries, you can request service online or call 800-919-1173


•          For claims and other inquires, you can request service online if you are set up to access our online service tool, or call 800-919-1173.

•          To learn more about MultiPlan, or 800-677-1098 

For HIPAA or ICD-10-related questions, please email