Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Alexander William Silvia, D.M.D.
Dentist in Mequon, WI · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326454984
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Registry record
Entity type Individual (Type 1)
Name Dr. Alexander William Silvia
Credential D.M.D.
Sex Male
Practice address 11345 N Port Washington Rd, Mequon, WI, 53092
Phone (262) 241-4440
Fax (262) 478-0439
Enumeration date Jul 3, 2014
Last updated in NPPES Dec 2, 2025
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Alexander Silvia?
The National Provider Identifier (NPI) for Alexander Silvia is 1326454984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Silvia practice?
The practice location on file with NPPES is in Mequon, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mena Ghaly General Practice Dentistry · Mequon, WI NPI 1477819068 Jacob Schlindwein General Practice Dentistry · Mequon, WI NPI 1639524929 Nye Psychotherapy Mental Health Clinic/Center (Including Community Mental Health Center) · Mequon, WI NPI 1770084469 Changequest, LLC Mental Health Clinic/Center (Including Community Mental Health Center) · Mequon, WI NPI 1457185852 Alex Silvia Dmd LLC Dental Clinic/Center · Mequon, WI NPI 1912858069
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-02.