Clinical Updates
2026 prior authorization list and updated medical necessity criteria now available
The updated prior authorization list and medical necessity criteria documents for 2026 are now posted in the provider resources section.
All providers use the same EZ-Net portal, regardless of line of business. Select the appropriate line of business below to access forms and resources specific to the product line.
Medicare Advantage
Medicare
Resources for providers serving Medicare Advantage members in California.
Medicare Provider Resources →ACA Marketplace
Individual & Family
Resources for providers serving Individual and Family members in Arizona, Nevada, Texas, and Utah.
I & F Provider Resources →New for 2027
Small Group
Small Group launching fall 2026 in Maricopa County, AZ and Tarrant County, TX.
Provider Portal — All Lines of Business
Check member eligibility and benefits, submit authorization requests, and look up claim status — all in one place.
Sign in to Provider Portal →Provider Contracting — All Lines of Business
Interested in joining the Imperial Health Plans network? Complete the universal contracting application.
Provider Contracting Application →Provider news
What's new for Imperial providers.
Portal Update
Visit the EZ Net Provider Portal
All providers access the same EZ-Net portal regardless of line of business. Register before logging in.
Compliance
2026 compliance training and education materials posted for all providers
Annual compliance training, attestation, and code of conduct documents for 2026 are now available in the training section of your line of business provider page.
Page last updated: August 31, 2026 at 12:00 PM PST
Disclosures
Medicare Advantage Plan Disclosures: Imperial Health Plan is an (HMO) (HMO SNP) with a Medicare Contract. Enrollment in Imperial Health Plan depends on contract renewal.
Imperial Health Plan of California (HMO) (HMO SNP) complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex. Imperial does not exclude anyone or treat them unfairly because of race, color, national origin, age, disability, or sex. ATTENTION: If you speak English, free language assistance services are available to you. Appropriate auxiliary aids and services to provide information in accessible formats are also available free of charge. Call 1-800-838-8271 (TTY: 711) or speak to your provider.
Individual & Family Plan Disclosures: Imperial Insurance Companies, Inc. and Imperial Health Plan of the Southwest, Inc. offer health insurance products through the ACA Health Insurance Marketplace in select states and are regulated by state Departments of Insurance and the federal Centers for Medicare & Medicaid Services where applicable.
For accurate plan information based on where you live, select your state and county. Plan availability, benefits, networks, premiums, and cost-sharing vary by line of business, state, and county. This information is not a complete description of benefits. Limitations, copayments, and restrictions may apply.