Currently, new provider applications and modifications submitted in ProviderOne are being processed within 90 to 120 days from the submission date. 

Updated: March 21, 2024

Please read this ProviderOne update letter released by the Health Services Analysis Program Manager.  

Welcome to L&I

To bill for services, all providers must apply for an L&I provider account number through ProviderOne.  All healthcare providers must have a National Provider Identifier (NPI) to apply.  If you need to obtain an NPI, see the "NPI requirement" tab below.

All servicing providers must be added/associated with their ProviderOne Group domain. Failure to add servicing providers may impact payment and services. To learn more about how to add servicing providers visit the "Provider Guides and Resources".

For Exempt Providers use the "Exempt Provider Application" tab below.

Exempt Providers include: Interpreters, Independent Medical Examiners, On the job training (OJT), Veteran's Affairs (VA) Facilities, Third Party Pharmacies, Clearinghouses, Health Service Coordinators. Out of country providers, apply here. 

Action Required

If you have updated your Electronic Funds Transfer (EFT) payment details in ProviderOne, or are an exempt provider, no further action is needed. 

Effective 5/1/2025, ProviderOne Vendor Numbers (P1V ID) will replace the Statewide Vendor Numbers (SWV) for billing providers who work with the Department of Labor & Industries (L&I).  To learn more about updating your EFT payment details, please see the "ProviderOne Action Required" tab below. 

Apply with ProviderOne

ProviderOne is an online portal where you can submit an application to enroll with multiple state agencies.

Tips for Success

Start a new Application

All providers new to L&I and ProviderOne must apply for an L&I account through ProviderOne. 

Note: To resume/complete an incomplete application, click here. You'll need your application ID and SSN/FEIN. 

Forms required when submitting your application:  

Before submitting your application, please be sure all forms are uploaded. Incomplete applications cannot be processed and will delay payments.

If you practice in Washington State and are one of the following provider types, you are required to be in network​ to be paid for services beyond the initial visit.  And, if you are new to L&I, you must upload the following forms in ProviderOne when you apply. 
  • Physicians
  • Osteopathic Physicians
  • Naturopathic Physicians
  • Podiatric Physicians
  • Dentists
  • Physician Assistants
  • Chiropractors
  • Optometrists
  • Advanced Registered Nurse Practitioners​
  • Psychologists (effective 7/1/25)
    		•  Note: These documents are required on the initial enrollment. Once a provider is approved in network, the malpractice insurance is the only document that must be uploaded, when added to a new group. Billing providers are also required to submit a copy of their IRS Form W-9​. 
    All other provider types, including all out of state providers and facilities must upload the following: 
    Provider Agreement 

    Note: Billing providers are also required to submit a copy of their IRS Form W-9​.​
    ​​

    If you are one of the following providers, click on the link below for additional instructions: 

    Returned Application?

    1. Return to ProviderOne.
    2. Correct missing or incomplete information. 
    3. Use the appropriate enrollment guide. See ProviderOne Guides and Resources.
    4. Resubmit your application for review. 

    Questions?

    Email  LNIProviderOne@Lni.wa.gov

    Access ProviderOne

    Accessing Your ProviderOne Domain

    Effective 8/9/2024

    Once your ProviderOne application is approved you will be issued a ProviderOne ID (Domain).  To access your domain to make updates and add additional providers you must establish a domain administrator. Follow the steps below to request administrator access. 

    All Healthcare providers go to Health Care Authority's (HCA) Provider Contact Us web form
    1. Select topic: "ProviderOne Access Request Form".
    2. Complete all required fields.
    3. If you do not have an NPI, enter 000000000 in the NPI field.
    4. Submit the request.

    Attention OneHealthPort (OHP) Users

    Providers that established their administrator profile with One Health Port (OHP) will continue to access ProviderOne using OHP’s Single Sign On.  You must contact OHP directly for any access issues with your administrator profile. 

    How do I unlock my account?

    To unlock your ProviderOne account, go to the ProviderOne login page. Under the login button:

    1. Click "To Unlock Account and Reset Password, Click here."
    2. You will be required to correctly answer the password reset questions, listed below, before a temporary password will be sent to the email address in your user file.
      Security questions are:
      • Secret Question (case sensitive)
      • Date of Birth (mm/dd/yyyy)
      • Last Name (case sensitive)
    3. If you get an error message saying your security questions are incorrect, contact your organization’s system administrator for verification. If you are a system administrator, email the ProviderOne Security team.
    4. If you are the sole system administrator of a domain, ProviderOne Security can assist with unlocking your account or resetting a password. If there are additional system administrators within your organization, you will be referred to them for assistance. 

    For more information regarding access, visit Washington State Health Care Authority.

    Exempt Provider Application

    Exempt Provider Application 

    If you are exempt from ProviderOne, follow the instructions below to apply.   

    Here's how to apply:

    1. Complete a Provider Account Application (F248-011-000).
    2. If you are one of the following provider types, you have additional requirements. To fulfill those requirements, visit:
    3. Submit your completed L&I application and all supporting documents by email, fax or mail to: 
      • Email: PacMail@Lni.wa.gov
      • Fax: 360-902-4484
      • Mail:
        Provider Accounts and Credentialing
        P O Box 44261
        Olympia, WA 98504-4261
    4. Avoid payment delays! Go to ofm.wa.gov/payee and submit the Vendor/Payee Registration form directly to the Office of Financial Management (OFM) for: 

    OFM forms must be submitted at the same time as your Provider Account Application. 

    Note: Providers are responsible for directly submitting necessary forms to OFM. L&I can’t accept or forward OFM forms on behalf of the provider. 

    For questions regarding OFM forms or the registration process, call 360-407-8180 or email PayeeRegistration@ofm.wa.gov. 

    Next Steps

    Allow 60 - 90 days for application review. You will receive notification once your application has been processed. If you haven't heard from us after 90 days, please email PACMail@Lni.wa.gov.

    ProviderOne Action Required

    Note: If you have updated your Electronic Funds Transfer (EFT) payment details in ProviderOne, or are an exempt provider, no further action is needed.

    Who doesn’t need to take action?

    • Servicing-Only Providers (those who bill through a group) won’t get a ProviderOne P1V ID and don’t need to update anything.
    • Exempt providers (such as Interpreters, Health Services Coordinators, and Delegated groups) will keep getting payments through the Statewide Vendor Number. Check the ProviderOne exempt providers for more details.  

    Who needs to update EFT information?

    • Providers who are currently being paid with a Statewide Vendor Number (SWV).
    • Providers who want to start receiving payments via EFT.

    Add your EFT preferences in ProviderOne before April 30, 2025. Starting May 1, 2025, providers without EFT details will get paper checks sent to the billing/pay-to address on file. This could delay your payment.   

    How to update your payment information in ProviderOne

    For providers who haven’t logged into ProviderOne yet:

    1. Complete the ProviderOne Access Request Form to designate your group’s system administrator.
    2. Log into ProviderOne and select “Manage Provider Information” from the Online Services tool bar. This opens the Business Process Wizard (BPW), where you maintain your provider information.
    3. Complete all required steps listed in the BPW.  You will not be update your EFT preferences until all required steps are completed.
    4. Click “Payment and Remittance details” step to update your EFT preference and banking details.

    For providers already using ProviderOne

    1. Log in to ProviderOne using the EXT File Maintenance profile.
    2. Go to “Payment and Remittance Details” step in the BPW and update your EFT preferences by April 30, 2025 to avoid potential payment delays.
    3. Click into the “Final Step” and click the “Submit Provider Modification”.
    4. Payments will continue by paper check until you update the EFT details.

     Need help?

    L&I has online resources available to guide you through updating ProviderOne. Visit ProviderOne Guides and Resources and choose the guide that applies to you (Individual billing or Group/FAOI).

    Note: L&I doesn’t use ProviderOne to set up Electronic Data Interchange (EDI). To enroll in EDI, please visit Provider Express Billing

    NPI Requirement

    NPI Requirement

    All healthcare providers who are HIPAA-covered entities (individuals or organizations) must obtain a National Provider Identifier (NPI) before they can apply in ProviderOne. 

    If you do not obtain an NPI you cannot start an application in ProviderOne. Providers must have an active account to bill for services. 

    Apply today for an NPI number! 

    Visit the National Plan & Provider Enumeration System (NPPES) to apply for a new individual or organization NPI number: https://nppes.cms.hhs.gov/#/. See the step-by-step application instructions in the resources section below.  

    Resources