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HARSONO DENTAL CORP
NPI 1225588254
Dentist - General Practice in Los Gatos, CA

Active since October 14, 2016
431 MONTEREY AVE STE 6, LOS GATOS, CA 95030(408) 354-1717 Get Directions Write a Review

NPPES record last updated: December 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 14, 2025, May 17, 2023, Jul 21, 2022 and 4 more (7 updates tracked since 2016).

About Harsono Dental Corp NPPES

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

HARSONO DENTAL CORP (NPI 1225588254) is a healthcare organization registered as a general practice in Los Gatos, California and active in the NPI registry since October 2016. The organization maintains a secondary practice location in Mountain View and lists Masly Harsono, Owner, as its authorized official.

NPPES Registry Identity

NPI1225588254
Entity TypeOrganization
Primary Taxonomy1223G0001X
Legal Business NameHARSONO DENTAL CORP
Location Address431 MONTEREY AVE STE 6Los Gatos, CA 95030-5319
Mailing Address431 Monterey Ave Ste 6Los Gatos, CA 95030-5319 · (408) 354-1717 · Fax (408) 395-7664
Phone(408) 354-1717
Organization SubpartNo
Authorized OfficialMasly HarsonoOwner · (646) 338-7593
Enumeration DateOctober 14, 2016
Last NPPES UpdateDecember 14, 20257 updates tracked since enumeration
NPPES CertifiedDecember 14, 2025
✔ NPI 1225588254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 64977
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.
431 MONTEREY AVE STE 6, Los Gatos, CA 95030
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Secondary Practice Location 1

Location 1505 South Dr Ste 3Mountain View, CA 94040-4210 · Phone (650) 964-8484 · Fax (650) 964-8485

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

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

DR. MASLY HARSONO DDS, MS, DMD
Dentist (General Practice)
431 MONTEREY AVE STE 6
LOS GATOS, CA 95030
Santa Clara County (408) 354-1717

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 Harsono Dental Corp's NPI number?

The NPI number for Harsono Dental Corp is 1225588254. It was assigned to this organization in the NPPES registry on October 14, 2016.

Where is Harsono Dental Corp located?

Harsono Dental Corp is located at 431 Monterey Ave Ste 6, Los Gatos, CA 95030. The listed phone number is (408) 354-1717.

What is Harsono Dental Corp'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 Harsono Dental Corp was last updated on December 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.