Payer ID
Varies — confirm via portal / clearinghouse
Varies by Kaiser region; many services are delivered in-network only.
Timely Filing Limit (TFL)
Varies by region — commonly 90 to 180 days from the date of service
Appeal Window
Varies by region
Clearinghouse
Region-specific
Provider Services
Varies — confirm via portal / clearinghouse
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Varies — confirm via portal / clearinghouse
Provider Portal
Varies — confirm via portal / clearinghouse
Integrated payer-provider model. Out-of-network billing rules differ significantly by region.
Values vary by plan, region, and contract and can change. Confirm in the payer portal or with your clearinghouse before filing. Last verified 2026-06-24.
Stop chasing Kaiser Permanente denials and TFLs
Aethera's AR team works Kaiser Permanente every day — payer rules, appeals, and clean-claim submission, handled.
Get a Free Assessment