Kaiser Permanente provider contacts
Provider-facing contacts for Kaiser Permanente: provider services, claims, appeals, provider portal, eligibility and claims portals, credentialing, EDI payer ID. Every value comes from a public Kaiser Permanente page or manual, linked next to it, and is rechecked against that source on a schedule.
Last verified Nov 2, 2026
We aggregate public payer sources. Verify with the payer. Numbers can differ by plan, state and line of business.
Provider services
- Emergency Medical Claims billing questions (Northern California)CAphone(800) 390-3510KP HMO Provider Manual 2026, Section 2
Claims
- Paper Claims (Northern California)CAaddressPO Box 8002, Pleasanton, CA 94588-8602Submit claims according to where membership is held
- Paper Claims (Southern California)CAaddressPO Box 7004, Downey, CA 90242-8004
- Paper Claims (Colorado)COaddressPO Box 373150, Denver, CO 80237-3150
- Paper Claims (Washington State)WAaddressPO Box 30766, Salt Lake City, UT 84130-0766
Appeals
- UM Reconsiderations and Appeals (Northern California)CAphone(888) 987-7247KP HMO Provider Manual 2026
- UM Reconsiderations and Appeals Fax (Northern California)CAfax(888) 987-2252
Provider portal
- KP Online Affiliate (Northern California)CAurlhttp://kp.org/providers/ncal/
Eligibility and claims portals
- Office Ally (free claim submission to KP)textOffice Ally
Credentialing
- Medical Services Contracting (Northern California)CAphone(925) 924-5050Email: mscprovcontractinbox@kp.org
EDI payer ID
- EDI Payer ID (Northern California)CAtext94135Via Office Ally, SSI, Optum, Trizetto
- EDI Payer ID (Southern California)CAtext94134Via Office Ally, SSI, Optum, Trizetto
Get alerts when Kaiser Permanente changes a policy
Prior auth lists, billing rules and coverage changes from Kaiser Permanente, summarized and sent by email: daily or weekly, your choice, on every plan.