Kaiser Permanente Guide for Treatment

Kaiser Permanente

Provider guide for Kaiser Permanente covering the integrated care model, external contracting, and authorization processes.

Quick Reference

Payer Type

Regional Commercial

Headquarters

Oakland, CA

Provider Portal

Open Portal

Portal Guide

View Guide →

Credentialing

Direct contracting (varies by region)

Timeline

Varies by region (90-180 days typical)

Coverage

9 states

Last Verified

Apr 19, 2026

Published

Mar 15, 2026

Reading Time

12 min

Covered Levels of Care

• Detoxification
• Residential Treatment (primarily via external providers)
• Partial Hospitalization (PHP)
• Intensive Outpatient (IOP)
• Outpatient Treatment

Medical Necessity Criteria

• Kaiser Permanente Internal Proprietary Guidelines
• ASAM Criteria (referenced for SUD level of care determinations)

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Overview

Kaiser Permanente is one of the largest nonprofit health plans in the United States, headquartered in Oakland, California. Founded in 1945, Kaiser operates as an integrated managed care consortium, meaning it functions simultaneously as an insurer, a hospital system, and a medical group. Kaiser Permanente serves approximately 12.5 million members as of 2025 across eight states and the District of Columbia: California, Colorado, Georgia, Hawaii, Maryland, Oregon, Virginia, Washington, and DC.

What makes Kaiser fundamentally different from other payers is its integrated model. Unlike traditional insurers that contract with independent providers, Kaiser primarily delivers care through its own physicians, clinics, and hospitals. For behavioral health, this means that most mental health and substance use disorder outpatient services are provided internally by Kaiser-employed clinicians. However, Kaiser does rely on external providers for certain specialized services, particularly residential substance use disorder treatment, which Kaiser generally does not operate in-house.

For behavioral health treatment facilities, understanding this integrated model is essential. Kaiser is not a traditional insurance company that maintains a broad external provider network. Working with Kaiser as an external provider requires navigating a distinct contracting process that varies by region, typically involves single case agreements or limited network contracts, and operates under Kaiser’s internal clinical protocols rather than widely published benefit structures.

Behavioral Health Coverage

Kaiser Permanente covers behavioral health services for both mental health conditions and substance use disorders across its membership. For services delivered within Kaiser’s own system, coverage includes outpatient therapy, psychiatric medication management, intensive outpatient programs, partial hospitalization, crisis services, and some inpatient stabilization. Kaiser has significantly expanded its internal behavioral health workforce in recent years in response to regulatory pressure and member demand.

For substance use disorder residential treatment, Kaiser frequently authorizes care at external facilities because it does not operate its own residential treatment centers in most regions. When a Kaiser clinician determines that a member requires residential SUD treatment, the case is referred to Kaiser’s utilization management team, which authorizes the appropriate level of care and identifies an external facility. This is the primary pathway through which external behavioral health providers interact with Kaiser.

Kaiser uses internal proprietary clinical guidelines for medical necessity determinations. For substance use disorder treatment, Kaiser’s criteria reference the ASAM Criteria for level of care placement, though the final determination is made using Kaiser’s own protocols. Coverage is subject to the member’s specific plan benefit, state regulatory requirements, and medical necessity review. California’s SB 855, for example, requires Kaiser to use recognized clinical criteria including ASAM for SUD level of care determinations for fully insured plans in that state.

Credentialing and Provider Enrollment

Credentialing with Kaiser Permanente is structurally different from credentialing with most commercial payers. Kaiser generally does not use CAQH ProView as its primary credentialing mechanism. Instead, each regional Kaiser entity manages its own provider contracting and credentialing process directly. This means that becoming an approved external provider with Kaiser requires direct engagement with Kaiser’s regional network development or provider contracting department.

The first step is determining whether Kaiser in your region has a network need for your type of facility. Kaiser contracts selectively with external behavioral health providers based on member demand, geographic access requirements, and the types of specialized services needed. Contact the Kaiser regional behavioral health or provider contracting team to express interest and inquire about current network opportunities.

If Kaiser identifies a need for your services, the contracting process will include a credentialing review that examines your facility’s licensure, accreditation, staffing, clinical programming, outcomes data, and operational capacity. Kaiser may conduct site visits as part of the evaluation. The timeline from initial contact to executed contract varies significantly by region but typically ranges from approximately 90 to 180 days, and can take longer depending on the complexity of the arrangement.

It is important to understand that a contract with one Kaiser region does not extend to others. If your facility serves members from multiple Kaiser regions, you must credential and contract separately with each regional entity. Each region operates with its own contracting team, rate structures, and authorization workflows.

Verification of Benefits (VOB)

Verifying benefits for Kaiser Permanente members differs from the standard VOB process used with most commercial payers. Because Kaiser is an integrated system, benefit verification often requires direct contact with Kaiser’s member services or behavioral health department rather than using standard electronic eligibility tools.

Some clearinghouses and eligibility platforms can return basic Kaiser eligibility information (active coverage, plan type, effective date), but they typically do not provide the level of behavioral health benefit detail that treatment facilities need. For specific information about covered levels of care, cost-sharing amounts, authorization requirements, and benefit limitations, providers generally need to contact Kaiser directly.

When verifying benefits for a Kaiser member being referred to your facility, coordinate with the Kaiser clinician or case manager who initiated the referral. They can provide information about the member’s authorized level of care, the approved duration, and any specific billing instructions. If the referral comes through a single case agreement, the terms of that agreement will define the covered services and reimbursement rather than the member’s standard benefit schedule.

Document all benefits verification details carefully, including the name of the Kaiser representative, reference numbers, date of verification, and the specific services authorized. Given Kaiser’s unique structure, maintaining clear communication channels with the referring Kaiser team is more valuable than standard VOB processes.

Prior Authorization Requirements

Kaiser Permanente requires prior authorization for all residential and inpatient behavioral health services provided by external facilities. This includes residential SUD treatment, medically managed detoxification at non-Kaiser facilities, and any other facility-based behavioral health services delivered outside the Kaiser system. Authorization is managed by Kaiser’s behavioral health utilization management team within each region.

The authorization process typically begins with a referral from a Kaiser behavioral health clinician who has determined that the member requires a level of care not available internally. The Kaiser utilization management team reviews the clinical documentation and authorizes a specific level of care and initial duration. For residential SUD treatment, expect initial authorizations of approximately 7 to 14 days with concurrent review requirements thereafter, though durations can vary.

Concurrent reviews for residential stays are generally required at regular intervals, typically approximately every 5 to 7 days, though intervals can vary by region. During concurrent reviews, Kaiser’s utilization management team assesses continued medical necessity based on the member’s clinical status, treatment progress, and discharge readiness. Documentation should clearly address the ASAM dimensional criteria, demonstrate active treatment engagement, and outline ongoing discharge planning.

If Kaiser denies an authorization request or determines that a step-down in care is appropriate, providers can request a peer-to-peer review with a Kaiser physician reviewer. Given Kaiser’s integrated model, the review process may involve Kaiser’s own behavioral health clinicians who are familiar with the member’s treatment history, which can sometimes facilitate more productive clinical discussions than with third-party utilization management companies.

Claims and Billing

Claims submission processes with Kaiser Permanente vary by region and by the type of arrangement under which services are being provided. For contracted providers, Kaiser will specify the claims submission method as part of the provider agreement. This may include electronic claims through a designated clearinghouse, direct submission through a Kaiser provider portal, or paper claims to a regional claims processing address.

For single case agreements, the terms of claims submission are defined within the SCA itself. Pay close attention to the billing instructions, authorized CPT or revenue codes, negotiated rates, and any specific documentation requirements outlined in the agreement. Submit claims exactly as specified in the SCA to avoid processing delays or denials.

Timely filing requirements vary by region and by the terms of your specific agreement with Kaiser. Commercial plans in California, for example, are subject to California prompt payment laws that govern both timely filing and claims processing timelines. Review your contract or SCA for the applicable filing deadline, which typically ranges from approximately 90 to 365 days from the date of service depending on the region and plan type.

Common billing challenges with Kaiser include claims routing issues (submitting to the wrong regional entity), using codes not authorized under the SCA, failing to obtain or reference the correct authorization number, and coordination of benefits complications. When denials occur, review the denial reason carefully and contact Kaiser’s provider services for the applicable region to resolve the issue before filing a formal appeal.

Payer Operations Quick Reference

Kaiser breaks the standard payer-operations template: it is an integrated system organized as independent regional entities, so there is no national provider phone number, no universal payer ID, and no shared portal for external providers. The operational rule of thumb: your contract or single case agreement is the source of truth, and the referring Kaiser clinician is your fastest phone contact.

Provider contacts by region

For any admitted or referred member, the referring Kaiser clinician/case manager and the authorization paperwork carry the working phone numbers for UM and claims questions — start there rather than the general member-services line on the card (and never present member-services numbers as provider lines).

Payer IDs and EDI

• Region-specific. Each regional entity adjudicates its own claims; your contract or SCA names the payer ID, clearinghouse route, or paper address.
• Misrouting a claim to the wrong Kaiser region is a common, silent filing-clock burn — confirm the region from the member ID and agreement before submission via your clearinghouse.

Timely filing limits

Cross-payer table: /denial-code-timely-filing.

Claims, appeals, and SCA mechanics

• Bill exactly as the SCA specifies — authorized codes, rates, and submission route; deviations are denied even with a valid authorization.
• Appeals and disputes follow the regional entity’s process named in the denial letter; peer-to-peer reviews with Kaiser physician reviewers are available and often productive because the reviewer can see the member’s full Kaiser treatment history.

Credentialing contacts

• No CAQH for most regions — contracting is direct with each regional network development team, gated on regional network need; expect roughly 90–180 days. Contract per region; one region’s contract does not extend to another. See insurance credentialing.

Prior-auth quirks for behavioral health levels of care

Operational data last reviewed 2026-06-11; quarterly re-verification cadence applies. See /rcm for how manages region-specific SCA billing rules and authorization tracking.

• All external facility care — detox, residential, PHP, IOP — requires Kaiser authorization, which typically originates from an internal Kaiser referral, not a provider-initiated request.
• Initial residential SUD authorizations typically run 7–14 days; concurrent review roughly every 5–7 days, varying by region.
• Criteria: Kaiser internal guidelines referencing ASAM for SUD; California’s SB 855 requires recognized criteria (including ASAM) for fully insured CA plans.
• Facility claims bill per the SCA — which may specify UB-04/837I or its own invoice format.

Frequently Asked Questions

Kaiser Permanente is an integrated system that primarily delivers care through its own facilities and providers. External behavioral health providers are generally used when Kaiser lacks capacity, when members are outside the service area, or for specialized residential SUD treatment that Kaiser does not typically operate internally. External providers typically work with Kaiser through single case agreements or contracted network arrangements specific to their region, though arrangements can vary.

Single case agreements (SCAs) are negotiated on a per-patient basis when Kaiser authorizes care at an out-of-network facility. The SCA specifies the authorized level of care, duration, reimbursement rate, and billing requirements. SCAs are most common for residential SUD treatment. Facilities should contact the regional Kaiser behavioral health department to initiate an SCA and should negotiate terms before admitting the member.

Kaiser Permanente operates as separate regional entities, each with its own network contracting, authorization procedures, and provider relations teams. A contract with Kaiser in California does not extend to Kaiser in Colorado or other states. Providers must credential and contract separately with each regional Kaiser entity where they want to serve members. Processes, timelines, and requirements can vary significantly between regions.

Kaiser generally requires prior authorization for all residential substance use disorder treatment. The authorization process is typically managed by Kaiser's internal behavioral health utilization management team, which reviews clinical documentation against Kaiser's proprietary guidelines and ASAM Criteria. Concurrent reviews are generally required throughout the residential stay, typically approximately every 5 to 7 days, though intervals can vary by region. Documentation should clearly support the level of care using ASAM dimensional criteria.

Credentialing with Kaiser Permanente differs from most commercial payers because Kaiser generally does not use CAQH ProView for its primary credentialing process. Each regional entity manages its own credentialing, and the process is typically initiated through Kaiser's provider contracting or network development department. Timelines vary by region but typically range from approximately 90 to 180 days, though this can vary. Facilities should contact the Kaiser regional office in their area to inquire about network opportunities.

There is no single national Kaiser Permanente provider line — each Kaiser region (Northern California, Southern California, Colorado, Georgia, Hawaii, Mid-Atlantic, Northwest, Washington) operates its own provider contact numbers. Use the number on the member's ID card, or find your region's community-provider contacts through Kaiser's community provider portal pages. For external facilities, the referring Kaiser clinician or case manager is usually the fastest contact path.

Kaiser payer IDs are region-specific — each regional Kaiser entity processes its own claims, and your contract or single case agreement specifies where and how to submit. Never submit a Kaiser claim without confirming the regional payer ID or claims address in your agreement, since routing a claim to the wrong Kaiser region is a common cause of lost filing time.

Timely filing varies by region and by the terms of your contract or single case agreement, typically ranging from approximately 90 to 365 days from the date of service. California plans are also subject to state prompt-payment rules. Your SCA or regional contract is the controlling document — check it before assuming any deadline.

Key Billing Concepts

Revenue Cycle Resources

This guide is provided for informational purposes only and does not constitute legal, regulatory, or professional advice. Payer requirements, phone numbers, and portal URLs are subject to change. Always verify current information directly with the payer. is not affiliated with the insurance companies described on this page.

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Reference tables

Common questions

Official sources

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