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National Provider Identifier (NPI)
Illinois Medicaid - HFS·IL · Geriatrics·Provider Notice
Effective date
May 23, 2007
We identified it
Jun 21, 2026
Summary
All long-term care facilities must obtain and register a National Provider Identifier (NPI) for electronic transactions like eligibility inquiries and claims submissions. This implements HIPAA requirements with a 12-month contingency period from May 23, 2007.
Action Required
Long-term care facilities must: 1) Apply for NPI at http://www.cms.hhs.gov/NationalProvIdentStand/ including all legacy identifiers and state Medicaid numbers, 2) Register obtained NPI with Illinois Department at www.myhfs.illinois.gov or the web-based application. Complete during the 12-month contingency period to ensure compliance with electronic transaction requirements.