Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret V Czajewski, D.D.S.

Dentist in Bloomingdale, IL · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588972228

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Registry record

Entity type Individual (Type 1)

Name Margaret V Czajewski

Credential D.D.S.

Sex Female

Practice address 183 S Bloomingdale Rd, Bloomingdale, IL, 60108

Phone (630) 893-1300

Enumeration date Sep 15, 2010

Last updated in NPPES Sep 15, 2010

Taxonomy & licenses

122300000X Dentist Dental Providers · License 019023352 (IL) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Margaret Czajewski?

The National Provider Identifier (NPI) for Margaret Czajewski is 1588972228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Czajewski practice?

The practice location on file with NPPES is in Bloomingdale, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-15.