Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Duane Lyke

Case Manager/Care Coordinator in Chicago, IL · enumerated 2022.

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

National Provider Identifier

1801519434

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Registry record

Entity type Individual (Type 1)

Name Duane Lyke

Sex Male

Practice address 219 W, Chicago Ave, Suite 200, Chicago, IL, 60654

Phone (872) 777-8117

Enumeration date Sep 20, 2022

Last updated in NPPES Nov 14, 2023

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator 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

What specialty is Duane Lyke?

Duane Lyke is registered in NPPES with the primary taxonomy of Case Manager/Care Coordinator. 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-14.