Dr. Margaret Kowalczyk D.D.S., M.S.
About this NPIWhat this record shows.
NPI 1306904974 is registered to Dr. Margaret Kowalczyk D.D.S., M.S., a Orthodontics and Dentofacial Orthopedics Dentistry practising at 230 W Martin Ave in Naperville, Illinois. Orthodontics and Dentofacial Orthopedics Dentistry is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Margaret Kowalczyk D.D.S., M.S. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 Dr. Margaret Kowalczyk D.D.S., M.S. accepts. To confirm in-network status with your specific health plan, contact Dr. Margaret Kowalczyk D.D.S., M.S. directly at (630) 355-1780.
Frequently asked
Yes. NPI 1306904974 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthodontics and Dentofacial Orthopedics Dentistry 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) 355-1780.
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. Dr. Margaret Kowalczyk D.D.S., M.S. is a Type-1 individual NPI.