https://www.microsoft.com/en-us/power-platform/blog/power-apps/power-apps-portals-configure-azure-ad-b2c-provider-for-portals-in-a-new-way-preview/
A new wizard experience uniquely for Azure AD B2C setup with portals
power appsazure adportalsconfigureprovider
https://erad.com/
eRAD PACS, RIS, Patient and Provider Portals deliver innovative & flexible solutions to automate radiology business and clinical workflows.
provider portalseradpacsrisradiology