NPPES file of Aug 9, 2026

William Vainer, DDS

Dentist · Campbell, CA

William Vainer, DDS is a dentist with a practice address in Campbell, California, and NPI 1609319169, issued on Nov 30, 2016. Check the license (California 64317, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609319169
Name
William Vainer
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
64317 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 S Bascom Ave Ste 2, Campbell, CA 95008
Phone
(408) 377-9772
Enumerated
Nov 30, 2016
Record last updated
Nov 30, 2016 (not updated in 10 years: call before relying on the address or phone)
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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Verify William Vainer 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 64317
    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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average dentist in 2024

17 Medicare Part D claims for 13 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. William Vainer17
  2. Specialty average86

Most prescribed

  1. Amoxicillin14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

William Vainer among 14,729 dentist records in California

William Vainer, 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. Its NPI, issued in 2016, is newer than 70% of them.

  • NPI issued2016 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 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).

18 dentist records list a practice address in Campbell

They are 18 of the 1,821 NPPES records with a practice address in Campbell, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Prathima Chawla, DMDCampbell, CA 950081114022043
  2. Rickey Fong, DDSCampbell, CA 950081336346915
  3. Dawn Kahng, DDSCampbell, CA 950081194845040
  4. Mangala Kalandoor, DDSCampbell, CA 950081861560104
  5. Hilda Kanon, D.D.S.Campbell, CA 950081164571980
  6. Emily Kim-Hull, D.M.D.Campbell, CA 950081104149889
  7. Heinz Klein, D.M.D.Campbell, CA 950081114133303
  8. Linda Kono, D.M.D.Campbell, CA 950081184839797

Common questions

What is William Vainer, DDS's NPI number?

William Vainer, DDS's National Provider Identifier (NPI) is 1609319169, issued on Nov 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is William Vainer, DDS located?

The NPPES record lists a practice address at 2100 S Bascom Ave Ste 2, Campbell, CA, 95008. Phone: (408) 377-9772. Providers update this record themselves, so call before visiting.

How can I verify William Vainer, DDS's license?

NPPES lists California license number 64317, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does William Vainer, DDS prescribe under Medicare Part D?

In 2024, William Vainer, DDS had 17 Medicare Part D claims for 13 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.