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Mr. Charles Connor Thornton

Specialist in San Diego, CA · enumerated 2023 · practices at Thornton Pacific Laboratories.

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

National Provider Identifier

1225716590

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Registry record

Entity type Individual (Type 1)
Name Mr. Charles Connor Thornton
Sex Male
Practice address 861 6th Ave. Suite 860, San Diego, CA, 92101
Phone (619) 940-7577
Fax (619) 923-5299
Enumeration date Jul 7, 2023
Last updated in NPPES Jul 7, 2023

Taxonomy & licenses

174400000X Specialist Other 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 Charles Thornton?
Charles Thornton is registered in NPPES with the primary taxonomy of Specialist. 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 2023-07-07.