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Leroy Owyang, DDS
NPI 1780694018 · General Practice Dentistry · Fremont, CA
Leroy Owyang, DDS is a General Practice Dentistry provider in Fremont, CA (NPI 1780694018).
Provider details
- NPI number
- 1780694018
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 52906 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
43195 Mission Blvd
Suite B-3
Fremont, CA 94539
Phone: (510) 651-0833
Fax: (510) 651-0845
Street-level locationGet directions
Mailing address
43195 Mission Blvd Ste B3
Fremont, CA 94539-5340
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Leroy Owyang's NPI number?
- Leroy Owyang's National Provider Identifier (NPI) is 1780694018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leroy Owyang's specialty?
- Leroy Owyang is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Leroy Owyang located?
- Leroy Owyang's practice location on file with NPPES is 43195 Mission Blvd, Fremont, CA 94539.
- What is Leroy Owyang's phone number?
- The practice phone number listed in the NPPES registry for Leroy Owyang is (510) 651-0833.
- Is Leroy Owyang's NPI active?
- Yes — Leroy Owyang's NPI (1780694018) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.