Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Emily Marie Mathewson, DMD
Dentist in Upper Chichester, PA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659181279
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Registry record
Entity type Individual (Type 1)
Name Emily Marie Mathewson
Credential DMD
Sex Female
Practice address 5000 Chichester Ave Ste 1, Upper Chichester, PA, 19014
Phone (610) 485-1991
Enumeration date Jan 8, 2025
Last updated in NPPES Jan 8, 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
Where does Emily Mathewson practice?
The practice location on file with NPPES is in Upper Chichester, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Emily Mathewson?
The National Provider Identifier (NPI) for Emily Mathewson is 1659181279, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-08.