Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark D Wang

Q: What is the NPI number for Mark Wang?

The National Provider Identifier (NPI) for Mark Wang is 1174193288, a Type 1 (individual) record in the CMS NPPES registry.

General Practice Dentistry in Walnut, CA · enumerated 2021.

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

National Provider Identifier

1174193288

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Registry record

Entity type Individual (Type 1)

Name Mark D Wang

Sex Male

Practice address 1309 N Grand Ave, Walnut, CA, 91789

Phone (909) 594-7899

Enumeration date Jun 30, 2021

Last updated in NPPES Jan 19, 2024

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 106214 (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

What is the NPI number for Mark Wang?

The National Provider Identifier (NPI) for Mark Wang is 1174193288, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Wang practice?

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

Other providers at this practice address

Browse all →

Tien Chun Wang General Practice Dentistry · Walnut, CA NPI 1033232822 Tien Chun D. Wang D.M.D., Inc General Practice Dentistry · Walnut, CA NPI 1659850071 Mark D Wang Dmd Inc. Dental Clinic/Center · Walnut, CA NPI 1477314250

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-19.