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Imperial Insurance Companies,

How To Submit Claims To Imperial Insurance Companies,

Imperial accepts both electronic and paper claims, with a preference for electronic submission. The provider manual gives mailing addresses and Office Ally…

Short answer

Imperial accepts both electronic and paper claims, with a preference for electronic submission. The provider manual gives mailing addresses and Office Ally payer codes for at least Imperial Health Plan of California and Imperial Health Holdings Medical…

Imperial Insurance Companies,'s reviewed provider guidance starts with this submission channel: electronic claims through clearinghouse. Confirm the member plan and claim type before using a payer ID or paper address.

At a glance

  • Imperial accepts both electronic and paper claims, with a preference for electronic submission. The provider manual gives mailing addresses and Office Ally payer codes for at least Imperial Health Plan of California and Imperial Health Holdings Medical Group. Required claim content includes the payer-issued TIN and NPI; claims without both are rejected and are not clean claims.

Submission channels

  • electronic claims through clearinghouse
  • paper claims by mail

Electronic claims payer IDs

  • IHP01
  • IHHMG
  • HHMG

Paper claims addresses

  • Imperial Health Plan of California, P.O. Box 60874, Pasadena, CA 91116-6874
  • Imperial Health Holdings Medical Group, P.O. Box 60075, Pasadena, CA 91116-6874
  • Claims Forwarding Address PO Box 60874 Pasadena, CA 91116

Corrected claims and follow-up

  • Not clearly specified in the official materials reviewed.

  • Provider disputes on claim payment/denial issues must use the provider dispute resolution form and mail it to the address on the form; requests should not be sent to the appeals department.

  • No direct topic-specific link was captured in the current research set.

Caveats

  • Claim submission routing may vary by Imperial legal entity, plan, and state.
  • The provider manual explicitly lists California entity addresses and payer codes; other states may use different routing or portals.
  • No dedicated electronic claim status-check portal URL was confirmed from the official sources reviewed.

Provider resources

Sources

FactValueSourceConfidence
Electronic and paper claims acceptedWhile Imperial prefers claims to be submitted electronically, both electronic and paper claims are accepted.Officialhigh
Claim submission addresses and payer codesImperial Health Plan of California: PO Box 60874 Pasadena, CA 91116-6874; Office Ally payer code IHP01. Imperial Health Holdings Medical Group: PO Box 60075 Pasadena, CA 91116-6874; Office Ally payer code IHHMG.Officialhigh
TIN and NPI requiredImperial requires the payer-issued TIN and NPI on all claim submissions and rejects claims without them.Officialhigh
Provider dispute form instructionContracted providers must use the provider dispute resolution form and mail it to the address on the form; requests and form should not be sent to the appeals department.Officialhigh

Last reviewed: March 27, 2026

Sources used: 1 official

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