Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Eddie E Williams, PH.D.

Clinical Psychologist in North Chicago, IL · enumerated 2006.

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

National Provider Identifier

1841208428

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Registry record

Entity type Individual (Type 1)

Name Dr. Eddie E Williams

Credential PH.D.

Sex Male

Practice address Va Medical Center, 3001 Greenbay Rd, North Chicago, IL, 60064

Phone (847) 688-1900

Fax (224) 610-3828

Enumeration date Aug 3, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Eddie Williams?

Eddie Williams is registered in NPPES with the primary taxonomy of Clinical Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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