NPPES file of Aug 9, 2026

William G. Tiu, DDS

Dentist · Livermore, CA

William G. Tiu, DDS is a dentist with a practice address in Livermore, California, and NPI 1962756080, issued on Oct 29, 2012. Check the license (California 43083, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962756080
Name
William G. Tiu
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
43083 CA
Self-reported in NPPES; status is on the state search
Practice location
1498 N Vasco RD, Livermore, CA 94551
Phone
(925) 454-1132
Enumerated
Oct 29, 2012
Record last updated
Oct 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(925) 454-1135
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1498 N Vasco RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karina Ballesteros, RDHAPAdvanced Practice Dental Therapist1376243758
  2. Jonathan TiuDentist1598282105

Verify William G. Tiu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 43083
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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35 dentist records list a practice address in Livermore

They are 35 of the 994 NPPES records with a practice address in Livermore, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other dentist records in California

  1. Chantelle AabediLos Angeles, CA1740895150
  2. Sohrab Aalam, DMDIrvine, CA1497431100
  3. Rick Aaronian, DDSFresno, CA1245452184
  4. Michael Aaronson, DDSSan Rafael, CA1992029722
  5. Autumn Abadesco, DDSLa Puente, CA1952857237
  6. Behzad Abadi, DMDDowney, CA1588879100
  7. Esfandiar Abadi, DDSSacramento, CA1992926448
  8. Bahareh AbadianSan Jose, CA1689169005
  9. Reza Abaei Tafreshi, DDSIrvine, CA1134656804
  10. Michael AbaianSherman Oaks, CA1023263167

Common questions

What is William G. Tiu, DDS's NPI number?

William G. Tiu, DDS's National Provider Identifier (NPI) is 1962756080, issued on Oct 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is William G. Tiu, DDS located?

The NPPES record lists a practice address at 1498 N Vasco RD, Livermore, CA, 94551. Phone: (925) 454-1132. Providers update this record themselves, so call before visiting.

How can I verify William G. Tiu, DDS's license?

NPPES lists California license number 43083, 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.