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Join Our Network

As a non-profit, member-owned health insurance co-op, we are dedicated to ensuring access to quality cost-effective health insurance for our communities. We offer an array of benefit plans that will fit your patient's individual needs. We believe Idaho's doctors and hospitals should be fairly compensated for the work they perform.


Available in the Treasure, Magic and Wood River Valleys, and McCall area.


Available in Lewiston, Moscow and SE Idaho.


Available in the 5 most Northern counties

Thinking about joining or have a question? 


Claims Submission

Claims should be submitted through the Utah Health Information Network (UHIN). Visit the website for more information.

Receiving Funds From MHC

We must have a W-9 on file before we can make any payments to you. You can fax your W-9 form to    801-281-6121. If we do not have a direct deposit set up for your group, we will send a paper check.


Preauthorizations and Appeals


For patient eligibility and benefits, please call 1-844-262-1560

For prior authorizations for medical services, please call 1-801-587-2851

For prior authorizations for prescription drugs, please call 1-866-236-5976

For questions about appeals, call 1-844-262-1560

Please fax inpatient notifications to 1-801-262-0103

Please fax outpatient prior authorization requests to 1-801-213-1358


Summer 2020

Like you, MHC is diligently working to

ensure the health and safety of our

members as we navigate through the

Coronavirus 2019 (COVID-19) pandemic.

MHC has developed a COVID-19 page on

our Website...

Spring 2020

The CO-OP is responding to the needs of its members during this time. We have waived all co-pays and deductibles for Coronavirus testing, should it be medically necessary for members.

Spring 2019

Gratitude. from Richard Miltenberger, CEO MHC thanks you for your partnership. We are dependent on our provider network and strive to provide exceptional service. This year we are working on important initiatives that we believe will benefit...

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Mountain Health CO-OP does not discriminate based on 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