Illinois NPI Number Lookup
How do I lookup my NPI Number?
Find and download NPI information in the state of Illinois for physicians or organizations with our fast and free NPI registry public search tool of all active NPI records. Enter a single or a combination of any of the following terms in the free form search box:
- NPI Identification Number
- Physician Name
- Organization Name or Doing Business As Name
- Address, City, State or ZIP
- Taxonomy or Specialty Code
- Filter by Individual, Organization or PECOS Enrollment Status
Why is the NPI number important?
NPI numbers are important because they are required to electronically transmit health care information in HIPAA standard transactions like private insurance claims, Medicare and Medicaid claims, coordination of benefits, health plans eligibility checks, insurance payments, patient referrals, prior authorizations, etc. NPI numbers are the unique numeric identifier assigned to each healthcare provider covered under the Health Insurance Portability and Accountability Act - HIPAA.
How often is the NPI database updated?
Our NPI database is up-to-date with the latest official data from the National Plan and Provider Enumeration System (NPPES). The information in the NPI database was last updated: March 12, 2023.
For more information visit our FAQ page: