Enroll as a provider

Follow our guidelines to prepare for the enrollment process. Then use the ProviderOne billing and claims system to complete your enrollment application.

How do I enroll?

• Verify you are an eligible provider.
• Determine your provider type for enrollment (below).
• Complete the supplemental paperwork for your provider type.
• Use our enrollment manuals to complete your enrollment in the ProviderOne application.
• Download our instructions for adding Billing Type and Available Agencies in ProviderOne.
• Review our new provider next steps.

What type of provider am I?

Before you begin your application, select the provider type that matches your situation (see below).

Billing provider

This application process is for licensed health care professionals enrolling with the Health Care Authority (HCA) as:

1. A solo practice, or
2. Licensed health care groups and facilities (including suppliers and contractors of service)

All billing providers must complete and sign a Core Provider Agreement and other required documents with the agency.

Health care professional practicing under a group or facility

This application process is for licensed health care professionals who wish to enroll with the Health Care Authority (HCA) as a performing provider practicing under a group or facility. The group or facility must be enrolled with HCA, and have a Core Provider Agreement with the agency.

Nonbilling provider

The Nonbilling applications are for providers who are providing services to Apple Health (Medicaid) clients under a Managed Care Entity or Behavioral Health Organization (not under the fee-for-service Apple Health program) -or- providers enrolling for the sole purpose of becoming an ordering, referring, prescribing provider.

Billing agent/clearinghouse

The billing agent/clearinghouse application process is for a billing agent/clearinghouse (BA/CH) to be enrolled with Washington Apple Health (Medicaid) to ensure the flow of electronic data resulting from the submission and retrieval of HIPAA transactions can be tracked.

Which enrollment type should I select in the ProviderOne application?

Use this chart to match the provider types above with the enrollment type options in ProviderOne.

Where can I get help completing my application?

The following enrollment manuals provide step-by-step instructions for completing your application within ProviderOne.

• Individual billing provider
• Group provider
• Attending/servicing provider
• Facility/agency/organization/institution
• Tribe
• Billing agent/clearinghouse

Am I already a provider?

To find out if you are already an Apple Health (Medicaid) provider, please call Provider Enrollment at 1-800-562-3022 Ext 16137.

Phones are open on Tuesdays and Thursdays from 7:30 a.m. to 4:30 p.m. (closed from noon to 1 p.m.). Phones are closed on Mondays, Wednesdays, and Fridays.