Contact us

Group and Individual (commercial):

Asuris Northwest Health
PO Box 1106
Lewiston ID 83501

Medicare Advantage:

Asuris Northwest Health
Medicare Advantage
PO Box 1106
Lewiston ID 83501

Refer to your provider agreement for instructions when submitting a network termination notice as language may vary. Always send network termination notices by certified mail or as indicated in your agreement. Include the following in your notice:

• Your name
• Confirmation email address
• Practice name
• Tax ID
• NPI number

• Reason for network termination

Send certified mail to:

Asuris Northwest Health
Attention: Network Management
200 SW Market Street, 11th floor
Portland, OR 97201

Refer to your provider agreement for instructions about using a third-party service provider as language may vary. Always send third-party notices by certified mail or as indicated in your agreement. Include your name or practice name, tax ID, NPI number and the following information about the third-party service provider:

• Name
• Address
• Effective date

• Confirmation that the third-party service provider has the authority to act on behalf of the provider

Send certified mail to:

Asuris Northwest Health
Attention: Network Management
200 SW Market Street, 11th floor
Portland, OR 97201

Dental providers: Notices for termination for dental providers should be sent to dentalproviderrelations@asurisdental.com

The process for submitting an appeal depends on your issue. Review our pricing disputes and appeals information to ensure you are following the correct process.

For balance billing information, view our Pricing disputes and appeals or call our Provider Contact Center at 1 (888) 349-6558.

Medical provider, hospital or facility

• Submit appeals and any supporting documents using the Appeals application on Availity Essentials
• Fax: 1 (866) 273-1820.

Large documents or documents sent by certified mail may be sent to:

Asuris Attention: Appeals
P.O. Box 1248
Lewiston, ID 83501-1248

Commercial dental providers

Dental Customer Service Appeals
P.O. Box 69437
Harrisburg, PA 17106-9437

MedAdvantage dental providers

Medicare Advantage/Medicare Part D
Appeals and Grievance B32AG
P.O. Box 1827
Medford, OR 97501

Medical provider, hospital or facility

Provider Contract Termination Appeal
Attention: Credentialing Department: MS LD1N
P.O. Box 1106
Lewiston, ID 83501-1106

Commercial dental providers

Provider Contract or Credentialing Termination Appeal
Attention: Provider Relations
P.O. Box 45132
Jacksonville, FL 32232-9902

Learn who to contact for electronic transaction issues such as:

• Availity payer list
• EFT hotline number
• Request for raw data
• Third party vendor support
• EDI batch transactions support

• Missing ERA835s or rejected medical or dental claims

Availity

• Phone 1 (800) 282-4548

• Create an eTicket or online chat in Availity Essentials: Help & Training>Availity Support>Contact Support

You can remain anonymous. Phone 1 (877) 878-2273.

• General: 1 (800) 323-1693
• Medicare (Parts C and D): 1 (800) 323-1693

• Online reporting form

Submit your feedback on our medical policies by completing the secure online contact form.

Members can use the Member reimbursement form to submit claims for medical, pharmacy, dental and vision services covered by Asuris. Members should only use this form if their health care provider is not submitting the claim.

Emails from us that contain personal health information are sent securely through Securemailbox Communications. Please view our secure email (Securemailbox) troubleshooting guide (PDF) to create an account in order to receive secure emails and, if needed, reset your password.

The Patient review feature gives our members the ability to provide feedback on their experiences with the health care system. You can respond to your patient's comments about their experience with you by completing and submitting the Provider Response Form (PDF).

TriWest

• Credentialing or contracting questions, email TriWest contracting
• Contact TriWest Healthcare Alliance at 1 (877) 266-8749 for any of the following:
  • Authorization inquiries
  • Claims inquiries
• View important information about TriWest's TRICARE and Community Care Network (CCN) provider networks

We require that you verify the information about your practice and the networks you participate in at least every 30 days. View the instructions for verifying your information and notifying us of changes.

Our medical management programs include physical and sleep medicine; radiology; palliative care; and care, kidney health, diabetes, hypertension and disease management.

Obtain order numbers for diagnostic imaging procedures:

• Use Carelon's ProviderPortal
• Phone Carelon at 1 (877) 291-0509
• View Radiology Quality Initiative program information and requirements

• View workarounds for Carelon system outages

• Register via the eviCore healthcare's (eviCore) website
• Phone eviCore at (855) 252-1115
• Learn more about the Physical Medicine Program

• View workarounds for eviCore system outages

Obtain an order number:

• Login to Carelon's ProviderPortal
  • Register with Carelon
• Phone 1 (877) 291-0509
• Learn more about the Sleep Medicine Program
• View workarounds for Carelon system outages

• General inquiries: Phone 1 (800) 643-5918 or Fax: 1 (800) 884-4282
• Medicare Part D: Fax: 1 (888) 335-3016

• Prior Authorization: Fax: 1 (800) 884-4282

Contact information for pre-authorization varies by line of business and type of service or supply. Please refer to our pre-authorization lists for details.

Our offices will be closed for the following holidays during 2025:

• January 20 - Martin Luther King, Jr. Day
• February 17 - President's Day
• May 26 - Memorial Day
• July 4 - Independence Day
• September 1 - Labor Day
• November 27 and 28 - Thanksgiving
• December 24 and 25 - Christmas