| National Provider Identifier |  | |
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Resources
Forms
- CMS 1500 form (245-127-000).
- UB-04 form (245-367-000).
- Provider Request for Adjustment form (245-183-000)
- Provider Account Application (F248-011-000).
- Provider Account Application - CVC (F800-053-000).
Contacts
- Electronic Billing Unit - 360-902-6511 or ebulni@Lni.wa.gov.
- Provider Accounts - 360-902-6545.
- Provider Hotline - 1-800-848-0811.
Publications
L&I's Transaction Testing Procedures (48 KB PDF).- Companion Guide for EDI Transactions (605 KB PDF/3 min.).
Other web sites
- L&I's National Provider ID registration form.
- L&I's Claim and Account Center.
- L&I's Provider Express Billing.
- Center for Medicare and Medicaid Services (CMS).
- CMS's NPI application site.
- National Plan and Provider Enumerator System.
- Workgroup for Exlectronic Data Interchange - National NPI information source.
- National Uniform Claim Committee - This site has info about the CMS 1500 form.
