Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katherine Doyen, RDH
Dental Hygienist in Stonington, ME · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205481603
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Registry record
Entity type Individual (Type 1)
Name Katherine Doyen
Credential RDH
Sex Female
Practice address 356 Airport Rd, Stonington, ME, 04681
Phone (207) 367-2631
Enumeration date Aug 3, 2019
Last updated in NPPES Aug 3, 2019
Taxonomy & licenses
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 Katherine Doyen practice?
The practice location on file with NPPES is in Stonington, ME. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katherine Doyen?
The National Provider Identifier (NPI) for Katherine Doyen is 1205481603, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-03.