Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Bethany Klawsnik Polnar, DMD
Dentist in Canton, MA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477911774
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Registry record
Entity type Individual (Type 1)
Name Dr. Bethany Klawsnik Polnar
Credential DMD
Sex Female
Practice address 147 High St, Canton, MA, 02021
Phone (781) 608-0307
Enumeration date Feb 2, 2016
Last updated in NPPES Jul 21, 2022
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 Bethany Polnar?
The National Provider Identifier (NPI) for Bethany Polnar is 1477911774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bethany Polnar practice?
The practice location on file with NPPES is in Canton, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.