Find contract information and documentation for agencies or individuals who provide services to King County.
Find minimum scope and minimum limits of insurance coverage requirements and documentation.
View requirements for all providers contracting with Public Health – Seattle & King County (PHSKC) and health plan enrollment for contracted providers practicing at PHSKC sites.
Learn about federal, state, and local laws regarding discrimination.
Learn about the federal regulations associated with HIPAA compliance.
Register using the E-Procurement Supplier Portal.
Learn how to use the electronic signature platform of DocuSign.
Download King County Substitute W-9 form (374 KB)
This document is needed to issue checks based on IRS requirements. Provide your address information and taxpayer identification number and sign the certification.