CASH Practice Ready to start or already have a CA$H practice? We're here to support you! CA$H Practice Membership We offer business and legal advisory support for one low annual membership fee. Click here for more information. CA$H Provider Payment Webinars Learn about Medicare and other payment issues for Cash (out of network) Practices. Click here for more information. Members-Only Visit our Members-only pages for resources to help you run your cash-practice.