Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Karen Margaret Maxwell, MA

Audiologist in Naperville, IL · enumerated 2007.

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

National Provider Identifier

1528187390

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Registry record

Entity type Individual (Type 1)

Name Ms. Karen Margaret Maxwell

Credential MA

Sex Female

Practice address 1116 Sheldon Court, Naperville, IL, 60540

Phone (630) 983-5272

Enumeration date Mar 29, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Karen Maxwell?

The National Provider Identifier (NPI) for Karen Maxwell is 1528187390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Maxwell practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.