As of March 25, 2011, new federal rules and regulations for screening and registering suppliers have been in effect. Full rules are available in the Federal Register 42 CFR Parts 405, 424, 447 et al. The changes include: additional screening may be required, all physicians or other professionals who provide services under the state plan or renouncing the plan must be registered as participating suppliers, re-validation of registration of all suppliers can be performed at least every five (5) years and an application fee may be charged. If any of these questions concern you, click on your type of provider on the right You are a business, group or institutional provider (Facility) that is part of a Medica Managed Care (MMC) network needed to connect to NYS Medicaid under the 21st Century Cures Act? Are you a business, group or institutional organization that needs to change your current registration from a billing provider to an MMC provider? Are you interested in enrolling in the NYS Medicaid program? Do you want to correct an existing NPI for your current registration? . Are you a practitioner who must register as a non-accounting order, prescription, dismissal or participation (OPRA)? All Medicaid Provider Enrollment Forms contain information on the requirements of the supplier`s compliance program in Title 18NYCRR, Part 521. Do you need to change your current registration history? Do you want to register another NPI for another type of record? Are you a practitioner who wants to change your current OPRA (non-billing) registration to the billing provider? Have you received a letter asking you to reconsider your registration? Do you want to reactivate/re-evaluate your status in NYS Medicaid?.