Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

John Alan Loucks, DC

Q: What is the NPI number for John Loucks?

The National Provider Identifier (NPI) for John Loucks is 1841290954, a Type 1 (individual) record in the CMS NPPES registry.

Chiropractor in Geneseo, IL · enumerated 2005.

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

National Provider Identifier

1841290954

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Registry record

Entity type Individual (Type 1)

Name John Alan Loucks

Credential DC

Sex Male

Practice address Geneseo, IL, 61254

Phone (309) 944-4599

Enumeration date Jul 29, 2005

Last updated in NPPES Dec 20, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 38-3525 (IL) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
1982020	Other	IL	BLUE SHIELD

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 is the NPI number for John Loucks?

The National Provider Identifier (NPI) for John Loucks is 1841290954, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Loucks practice?

The practice location on file with NPPES is in Geneseo, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-20.