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James Castle

Specialist in Boulder, CO · enumerated 2015 · practices at Colorado Massage Center.

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

National Provider Identifier

1629448444

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Registry record

Entity type Individual (Type 1)
Name James Castle
Sex Male
Practice address 3109 28th St, Boulder, CO, 80301
Phone (303) 443-5202
Enumeration date Oct 6, 2015
Last updated in NPPES Oct 6, 2015

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MT.0002013 (CO) 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 is the NPI number for James Castle?
The National Provider Identifier (NPI) for James Castle is 1629448444, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Castle practice?
The practice location on file with NPPES is in Boulder, CO. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-06.