Leroy Felix Owyang, DDS
General Practice Dentistry · Fremont, CA
Leroy Felix Owyang, DDS is a general practice dentistry with a practice address in Fremont, California, and NPI 1780694018, issued on Aug 9, 2006. Check the license (California 52906, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leroy Felix Owyang
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 52906 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43195 Mission Blvd, Fremont, CA 94539
- Phone
- (510) 651-0833
- Enumerated
- Aug 9, 2006
- Record last updated
- Mar 12, 2026
- Fax
- (510) 651-0845
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 43195 Mission Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leroy Felix Owyang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 52906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Leroy Felix Owyang among 17,852 general practice dentistry records in California
Leroy Felix Owyang, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileNo · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 general practice dentistry records list a practice address in Fremont
They are 158 of the 4,749 NPPES records with a practice address in Fremont, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,852 in California → Every provider in Fremont → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Virgilio Bautista, D.M.D.Fremont, CA 945391396763991
- Shirley Bien, D.M.DFremont, CA 945391639224298
- Amor Del Rosario, D.M.DFremont, CA 945391790877702
- Paul Fracolli, D.D.S.Fremont, CA 945391235277872
- Rosalie Geronimo, DMD.Fremont, CA 945391679661276
- Karen Giannotti, DDSFremont, CA 945391790810174
- Lin Lin, D.D.S, M.SFremont, CA 945391649368036
- Richard Marlais, DDSFremont, CA 945391245338821
Common questions
What is Leroy Felix Owyang, DDS's NPI number?
Leroy Felix Owyang, DDS's National Provider Identifier (NPI) is 1780694018, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leroy Felix Owyang, DDS located?
The NPPES record lists a practice address at 43195 Mission Blvd, Fremont, CA, 94539. Phone: (510) 651-0833. Providers update this record themselves, so call before visiting.
How can I verify Leroy Felix Owyang, DDS's license?
NPPES lists California license number 52906, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.