William Bass
About this NPIWhat this record shows.
NPI 1427559749 is registered to William Bass, a Case Manager/Care Coordinator practising at 2984 Chevy Chase Ln in Naperville, Illinois. Case Manager/Care Coordinator is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Bass has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans William Bass accepts. To confirm in-network status with your specific health plan, contact William Bass directly at (630) 814-9525.
Frequently asked
Yes. NPI 1427559749 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Case Manager/Care Coordinator is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (630) 814-9525.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. William Bass is a Type-1 individual NPI.