William R. Gianni, DDS
Dentist · Concord, CA
William R. Gianni, DDS is a dentist with a practice address in Concord, California, and NPI 1093823080, issued on Aug 29, 2006. Check the license (California 43695, 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
- William R. Gianni
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 43695 CA
23247 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2975 Treat Blvd Bldg D, Concord, CA 94518
- Phone
- (925) 788-5710
- Enumerated
- Aug 29, 2006
- Record last updated
- Feb 4, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify William R. Gianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 43695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William R. Gianni among 14,729 dentist records in California
William R. Gianni, DDS is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileNo · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 dentist records list a practice address in Concord
They are 45 of the 9,328 NPPES records with a practice address in Concord, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,729 in California → Every provider in Concord → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Darryl Burke, DDSConcord, CA 945181710062930
- Michael Cain, DDSConcord, CA 945181104538982
- Alexia Roxana Lozano, D.D.S.Concord, CA 945181245570498
- Shrijana Shakya, DDSConcord, CA 945181952849408
- Lidia Albert-Costisevschi, D.D.S.Concord, CA 945191912036252
- Angel Awad, DDSClayton, CA 945171952568040
- Keith BradburnClayton, CA 945171811132699
- Austin Brown, DDSClayton, CA 945171578086492
Common questions
What is William R. Gianni, DDS's NPI number?
William R. Gianni, DDS's National Provider Identifier (NPI) is 1093823080, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William R. Gianni, DDS located?
The NPPES record lists a practice address at 2975 Treat Blvd Bldg D, Concord, CA, 94518. Phone: (925) 788-5710. Providers update this record themselves, so call before visiting.
How can I verify William R. Gianni, DDS's license?
NPPES lists California license number 43695, 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.