Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher R Walker, DC

Chiropractor in Tempe, AZ · enumerated 2018.

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

National Provider Identifier

1437666245

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher R Walker

Credential DC

Sex Male

Practice address 1855 E Guadalupe Rd Ste 112, Tempe, AZ, 85283

Phone (480) 787-0615

Enumeration date Jan 2, 2018

Last updated in NPPES Jan 2, 2018

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 8683 (AZ) Primary

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

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Frequently asked questions

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.

What specialty is Christopher Walker?

Christopher Walker is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-02.