For service providers
We work with hundreds of service providers, also called vendors. Together, we help people with developmental disabilities live safely and with dignity in our community.
Becoming a provider: what’s changed
Use the Provider Directory
Since March 1, 2026, every new vendorization goes through the Provider Directory.
Have a business address in our area
Your physical business address must be in our service area. We do not accept PO boxes.
Send a letter of intent and the disclosure form
The Applicant/Vendor Disclosure Statement (DS 1891) is in English and Spanish.
Questions? Email vendorization@westsiderc.org.
Everything for providers
Become a service provider
Current service needs
Billing and rates
Rules and forms
Report an incident
Design noteYour Vendor/Provider menu has 24 links. Here they sit in six groups on one page, so any of them is two clicks from the homepage. Families never have to scroll past provider content to find their own.