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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

LEONG DENTAL INC
NPI 1528983004
Dentist - General Practice in San Mateo, CA

Active since August 12, 2026
420 PENINSULA AVE, SAN MATEO, CA 94401(650) 342-3597 Get Directions Write a Review

NPPES record added: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Leong Dental Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONG DENTAL INC (NPI 1528983004) is a healthcare organization registered as a general practice in San Mateo, California and active in the NPI registry since August 2026. The organization maintains 2 additional practice locations and lists Waymond K Leong, Co-owner, as its authorized official.

NPPES Registry Identity

NPI1528983004
Entity TypeOrganization
Primary Taxonomy1223G0001X
Legal Business NameLEONG DENTAL INC
Location Address420 PENINSULA AVESan Mateo, CA 94401-1653
Mailing Address420 Peninsula AveSan Mateo, CA 94401-1653 · (650) 342-3597
Phone(650) 342-3597
Organization SubpartNo
Authorized OfficialWaymond K LeongCo-owner · (650) 342-3597
Enumeration DateAugust 12, 2026
NPPES CertifiedAugust 12, 2026
✔ NPI 1528983004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
420 PENINSULA AVE, San Mateo, CA 94401
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Secondary Practice Locations 2

Location 11800 Noriega St # 3San Francisco, CA 94122-4399 · Phone (415) 276-5777
Location 24596 Mission St # CSan Francisco, CA 94112-2642 · Phone (415) 278-5777

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WAYMOND KIM LEONG DDS
Dentist (General Practice)
420 PENINSULA AVE
SAN MATEO, CA 94401
San Mateo County (650) 342-3597
RYAN MACKENZIE LEONG DDS
Dentist (General Practice)
420 PENINSULA AVE
SAN MATEO, CA 94401
San Mateo County (650) 342-3597
DR. ROLAND LEONG DDS
Dentist (General Practice)
420 PENINSULA AVE
SAN MATEO, CA 94401
San Mateo County (650) 342-3597

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leong Dental Inc's NPI number?

The NPI number for Leong Dental Inc is 1528983004. It was assigned to this organization in the NPPES registry on August 12, 2026.

Where is Leong Dental Inc located?

Leong Dental Inc is located at 420 Peninsula Ave, San Mateo, CA 94401. The listed phone number is (650) 342-3597.

What is Leong Dental Inc's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Leong Dental Inc was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.