John Lewenczuk Dc
About this NPIWhat this record shows.
NPI 1336223197 is registered to John Lewenczuk Dc, a Chiropractor practising at 2137 63rd Street in Downers Grove, Illinois. Chiropractor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Lewenczuk Dc has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 John Lewenczuk Dc accepts. To confirm in-network status with your specific health plan, contact John Lewenczuk Dc directly at (630) 271-9900.
Frequently asked
Yes. NPI 1336223197 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Chiropractor 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) 271-9900.
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. John Lewenczuk Dc is a Type-1 individual NPI.