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

Mark Hong

Acupuncturist in Fountain Valley, CA · enumerated 2018.

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

National Provider Identifier

1689157232

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Registry record

Entity type Individual (Type 1)

Name Mark Hong

Sex Male

Practice address Fountain Valley, CA, 92708

Phone (714) 310-5244

Enumeration date Sep 10, 2018

Last updated in NPPES Sep 10, 2018

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

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License 7195 (CA) 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

How do I verify Mark Hong's NPI record?

Cross-check NPI 1689157232 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689157232 active?

Yes, as of the latest NPPES snapshot, NPI 1689157232 is active (record last updated 2018-09-10).

Other providers at this practice address

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Jihyun Ro Acupuncturist · Fountain Valley, CA NPI 1316596844 Jihyun Ro Acupuncturist · Fountain Valley, CA NPI 1497469530 365 Acupuncture Inc. Acupuncturist · Fountain Valley, CA NPI 1366229882

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-10.