Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Anthony Vainer, DDS
Dentist in Campbell, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902018690
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Registry record
Entity type Individual (Type 1)
Name Dr. William Anthony Vainer
Credential DDS
Sex Male
Practice address 2100 S Bascom Ave, Suite 2, Campbell, CA, 95008
Phone (408) 377-9772
Fax (408) 377-1776
Enumeration date May 4, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Vainer?
The National Provider Identifier (NPI) for William Vainer is 1902018690, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Vainer practice?
The practice location on file with NPPES is in Campbell, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.