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Orson Leong, D.D.S.
NPI 1588898365 · General Practice Dentistry · Pleasanton, CA
Orson Leong, D.D.S. is a General Practice Dentistry provider in Pleasanton, CA (NPI 1588898365).
Provider details
- NPI number
- 1588898365
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 29078 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
1475 Cedarwood Ln Ste B
Pleasanton, CA 94566
Phone: (925) 251-9494
Fax: (925) 523-3186
Street-level locationGet directions
Mailing address
1475 Cedarwood Ln Ste B
Pleasanton, CA 94566-6128
Additional practice locations (1)
- 6280 W Las Positas Blvd Ste 215Pleasanton, CA 94588-4940Phone: (925) 462-7117Fax: (925) 462-7934
Registry dates
- Enumerated
- 2009-05-08
- Last updated
- 2018-09-05
Frequently asked questions
- What is Orson Leong's NPI number?
- Orson Leong's National Provider Identifier (NPI) is 1588898365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Orson Leong's specialty?
- Orson Leong is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Orson Leong located?
- Orson Leong's practice location on file with NPPES is 1475 Cedarwood Ln Ste B, Pleasanton, CA 94566.
- What is Orson Leong's phone number?
- The practice phone number listed in the NPPES registry for Orson Leong is (925) 251-9494.
- Is Orson Leong's NPI active?
- Yes — Orson Leong's NPI (1588898365) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.