How to submit your bills

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First-time submission

If you're billing us for the first time, please complete a W-9 form and fax it to 303.361.5945.

Electronic submission

Billing electronically is the fastest and most convenient way to submit bills to Pinnacol. For your convenience, we work with three electronic data interchange (EDI) clearinghouses to receive electronic bills.

Here are the form and information you'll need to get started: Electronic Billing Registration.

U.S. mail submission

To submit a bill by mail, send it to: Medical Payments Team, Pinnacol Assurance, P.O. Box 469013, Denver, CO 80246-9013. Providers must bill Pinnacol in accordance with the policies and procedures set forth in the Colorado workers' compensation utilization standards (Rule 16) and fee schedule (Rule 18). You can review these rules at the Division of Workers' Compensation website.

Pinnacol Assurance pays medical providers in accordance with the fixed fee schedule set forth by the Colorado Department of Workers' Compensation (DOWC). Please be sure to familiarize yourself with the State's fees.