DialClerk Directory

Pinnacol Assurance (workers compensation)

Denials, appeals and grievances

Find appeal teams, faxes and mailing addresses. Use the denial notice to confirm the appeal level, filing deadline and recipient.

appeals grievances

Medical bill appeal - paper (mail and fax)

Official page read
Phone

No phone listed for this route

Fax

720-403-9007

Paper bill appeals

Published hours

Not published in this record

Product, plan and location

workers comp
Colorado

Mailing address
Pinnacol Assurance PO Box 4155 Clinton, IA 52733-4155

Paper bill appeals

Pinnacol prefers online appeals through the Provider Portal Bill Search tab. Paper appeals must include the original or corrected bill, the written notice or EOB, a statement of the contested items and supporting documentation. Under Colorado Rule 16 the provider has 60 days to respond to a notice to contest. Do not resubmit a duplicate bill. Workers' compensation: a claim number and the adjuster or injured-worker identification are usually required; coverage is determined by the claim (not by a member ID), and state fee schedules and rules govern billing.

View source ↗ · Source checked 2026-10-25

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Find appeal teams, faxes and mailing addresses. Use the denial notice to confirm the appeal level, filing deadline and recipient.

Have ready in your secure workspace

  • Denial notice, remittance and reason codes
  • Previous appeal confirmation and decision
  • Supporting evidence and any required authorization to represent the member

Questions to resolve

  • Is this a claim correction, provider dispute or member appeal?
  • What deadline and submission channel apply to this case?
  • How can the office confirm receipt and track the decision?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

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