Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis R. Duke, LCPC

Mental Health Counselor in Springfield, IL · enumerated 2006 · practices at Mental Health Centers of Central Illinois.

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

National Provider Identifier

1811956014

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Registry record

Entity type Individual (Type 1)

Name Dennis R. Duke

Credential LCPC

Sex Male

Practice address 901 N 1st St, Suite 225, Springfield, IL, 62702

Phone (217) 523-2217

Fax (217) 788-4147

Enumeration date Mar 17, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social 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.

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Frequently asked questions

What specialty is Dennis Duke?

Dennis Duke is registered in NPPES with the primary taxonomy of Mental Health Counselor. 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 2007-07-08.