Masly Harsono, DDS, MS, DMD
NPI 1669893731 · General Practice Dentistry · Los Gatos, CA
Masly Harsono, DDS, MS, DMD is a General Practice Dentistry provider in Los Gatos, CA (NPI 1669893731).
Provider details
- NPI number
- 1669893731
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS, MS, DMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- DN1855466 (MA)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 505 South Dr Ste 3Mountain View, CA 94040-4210Phone: (650) 964-8484Fax: (650) 964-8485
Registry dates
- Enumerated
- 2013-12-17
- Last updated
- 2025-12-14
- Certified
- 2025-12-14
Frequently asked questions
- What is Masly Harsono's NPI number?
- Masly Harsono's National Provider Identifier (NPI) is 1669893731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Masly Harsono's specialty?
- Masly Harsono is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Masly Harsono located?
- Masly Harsono's practice location on file with NPPES is 431 Monterey Ave Ste 6, Los Gatos, CA 95030-5319.
- What is Masly Harsono's phone number?
- The practice phone number listed in the NPPES registry for Masly Harsono is (408) 354-1717.
- Is Masly Harsono's NPI active?
- Yes — Masly Harsono's NPI (1669893731) is active in the NPPES registry as of the last update on 2025-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.