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Ryan Leong, DDS
NPI 1770318289 · General Practice Dentistry · San Mateo, CA
Ryan Leong, DDS is a General Practice Dentistry provider in San Mateo, CA (NPI 1770318289).
Provider details
- NPI number
- 1770318289
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 110668 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
420 Peninsula Ave
San Mateo, CA 94401-1653
Phone: (650) 342-3597
Street-level locationGet directions
Mailing address
609 26th Ave
San Francisco, CA 94121-2904
Additional practice locations (1)
- 255 N San Mateo Dr Ste 4San Mateo, CA 94401-2671Phone: (650) 342-8618
Registry dates
- Enumerated
- 2024-09-04
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is Ryan Leong's NPI number?
- Ryan Leong's National Provider Identifier (NPI) is 1770318289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Leong's specialty?
- Ryan Leong is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Ryan Leong located?
- Ryan Leong's practice location on file with NPPES is 420 Peninsula Ave, San Mateo, CA 94401-1653.
- What is Ryan Leong's phone number?
- The practice phone number listed in the NPPES registry for Ryan Leong is (650) 342-3597.
- Is Ryan Leong's NPI active?
- Yes — Ryan Leong's NPI (1770318289) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.