5. Lori Weber, CPC Education Representative, Part B Medicare Provider Outreach & Education – Idaho/Nevada/Oregon For a list of upcoming Part B webinars, review our web addresses below and register now online! JF providers - Important Note: Please utilize the Single Line Toll-Free Number of (JF states) for all provider inquiries to Customer Service, EDI, Enrollment, Reopenings and User Security for Endeavor passwords.