Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Amanda J Williams, PA-C

Physician Assistant in Lake Forest, IL · enumerated 2012.

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

National Provider Identifier

1629321914

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Registry record

Entity type Individual (Type 1)

Name Amanda J Williams

Credential PA-C

Sex Female

Practice address 1000 N Westmoreland Rd # Level1, Lake Forest, IL, 60045

Phone (847) 582-2134

Fax (847) 535-7285

Enumeration date Oct 24, 2012

Last updated in NPPES Oct 8, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601006509 (MI) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085005099 (IL) Primary

Other identifiers

Identifier	Type	State	Issuer
1629321914	Medicaid	MI	-

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 Amanda Williams?

Amanda Williams is registered in NPPES with the primary taxonomy of Physician Assistant. 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.

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Jeanine Harshbarger Nurse Practitioner · Lake Forest, IL NPI 1871583179 Michael Keller Pulmonary Disease Physician · Lake Forest, IL NPI 1013164086 Mariam Anis Pulmonary Disease Physician · Lake Forest, IL NPI 1013274349 Elizabeth Randolph Physician Assistant · Lake Forest, IL NPI 1083962229 Korosh Sharain Cardiovascular Disease Physician · Lake Forest, IL NPI 1285075820 Heather Sandler Nurse Practitioner · Lake Forest, IL NPI 1225469752 Marie Fuentes Harris Clinical Social Worker · Lake Forest, IL NPI 1962803882 Monika Rastogi Diagnostic Radiology Physician · Lake Forest, IL NPI 1558757815

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-08.