Claims & Benefits

New Members

After signing up please watch your mail for a letter containing a My-Chart Activation code. You will need this activation code to create an account.

If you have not received this letter please call customer service at  844-262-1560.

Viewing your claims

Claims information and benefit usage are available to view online through My-Chart.

Looking for your card?

Looking for a way to access your ID card?  You can get your ID card on your phone or other mobile device through our partner, the University of Utah Health Plans, who will be processing our claims in 2020.

Just search for the University of Utah Health Plans in your app store.  The login is your ID number.  The pin is the last four digits of your ID number.


Pay my bill

You choose! Online, Phone, Or Mail

Send it by mail

Please make checks payable to MHC, and mail to the address below:

LB 410035

Mountain Health Cooperative

PO Box 35145

Seattle WA 98124-5145

Express Mail payments:

Lockbox Services-#410035

18035 Sperry Dr

Tukwila, WA 98188-4750


Report Changes to Your Plan

Life moves quickly—make sure your insurance is keeping up. Examples of life event changes include marriage, divorce, birth, adoption, a change in salary or a change of address.

Email Portal

If you signed up through please call

1-800-318-2596 or log in at to make changes to your plan.

If you enrolled directly through MHC

Use the email portal to securely return the change form.  If you haven’t used the Email Portal before, you will need to register your email address in order to send encrypted emails to Montana Health CO-OP. Click on the “Email Portal” button to begin.

You can log into your online account to process changes:


Download the change form and email, mail or fax in.

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Montana Health CO-OP does not discriminate on the basis of race, color, national origin, disability, age, sex, gender, sexual orientation, or health status in the administration of the plan, including enrollment and benefit determinations.


Contact Us with Questions About Coverage