Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donna Williams, BSPT

Physical Therapist in Chicago, IL · enumerated 2007.

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

National Provider Identifier

1417083775

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Registry record

Entity type Individual (Type 1)

Name Donna Williams

Credential BSPT

Sex Female

Practice address 1611 W Harrison St Ste 107, Chicago, IL, 60612

Phone (877) 632-6637

Fax (708) 409-5179

Enumeration date Feb 23, 2007

Last updated in NPPES Jun 16, 2023

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 05011936A (IN) Secondary

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070006372 (IL) 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

Is NPI 1417083775 active?

Yes, as of the latest NPPES snapshot, NPI 1417083775 is active (record last updated 2023-06-16).

How do I verify Donna Williams's NPI record?

Cross-check NPI 1417083775 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-16.