Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Michelle Rae Knizner, ATC

Specialist in Elmhurst, IL · enumerated 2006.

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

National Provider Identifier

1386613255

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mrs. Michelle Rae Knizner

Credential ATC

Sex Female

Practice address 300 W Butterfield Rd, Elmhurst, IL, 60126

Phone (630) 834-0478

Fax (630) 834-1677

Enumeration date Mar 14, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other 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

Where does Michelle Knizner practice?

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

What is the NPI number for Michelle Knizner?

The National Provider Identifier (NPI) for Michelle Knizner is 1386613255, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

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