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

Grant Henry Spencer, D.C.

Chiropractor in Estes Park, CO · enumerated 2006.

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

National Provider Identifier

1528176708

Verified

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Registry record

Entity type Individual (Type 1)

Name Grant Henry Spencer

Credential D.C.

Sex Male

Practice address Estes Park, CO, 80517

Phone (970) 646-6217

Enumeration date Aug 28, 2006

Last updated in NPPES Oct 12, 2022

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

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License CO6045 (CO) Secondary

111N00000X Chiropractor Chiropractic Providers · License 4117012 (WI) Secondary

111N00000X Chiropractor Chiropractic Providers · License 6045 (CO) 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
38960400	Medicaid	WI	-

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 Grant Spencer?

The National Provider Identifier (NPI) for Grant Spencer is 1528176708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grant Spencer practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-12.