Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Timothy Yan, A Professional Acupuncture Organization

Acupuncturist in Hercules, CA · enumerated 2018 · authorized official Timothy Yan, President.

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

National Provider Identifier

1104394600

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Registry record

Entity type Organization (Type 2)

Legal business name Timothy Yan, A Professional Acupuncture Organization

Practice address 500 Alfred Nobel Dr Ste 220, Hercules, CA, 94547

Phone (510) 724-8882

Enumeration date Nov 2, 2018

Last updated in NPPES Nov 2, 2018

Taxonomy & classification

171100000X Acupuncturist Other Service Providers Primary

Authorized official

Name Timothy Yan

Title President

Phone (510) 724-8882

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 Timothy Yan, A Professional Acupuncture Organization?

The NPI for Timothy Yan, A Professional Acupuncture Organization is 1104394600, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Timothy Yan, A Professional Acupuncture Organization?

NPPES lists Timothy Yan (President) as the authorized official for this organization.

Providers at this address

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Timothy Yan Acupuncturist · Hercules, CA NPI 1427198423 Walther Chiropractic, A Professional Corporation Chiropractor · Hercules, CA NPI 1407092570

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-02.