Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Holly Therien, RDH
Dental Hygienist in Milford, MA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235908534
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Registry record
Entity type Individual (Type 1)
Name Mary Holly Therien
Credential RDH
Sex Female
Practice address 41 Cape Rd, Milford, MA, 01757
Phone (508) 270-5750
Enumeration date Dec 27, 2023
Last updated in NPPES Dec 27, 2023
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
What is the NPI number for Mary Therien?
The National Provider Identifier (NPI) for Mary Therien is 1235908534, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Therien practice?
The practice location on file with NPPES is in Milford, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Edward M. Kennedy Community Health Center, Inc Federally Qualified Health Center (FQHC) · Milford, MA NPI 1992137426 Teresa Lesperance Registered Nurse · Milford, MA NPI 1720772627 Edward M. Kennedy Community Health Center, Inc Community/Retail Pharmacy · Milford, MA NPI 1700567021 Jessica Mendes Dental Hygienist · Milford, MA NPI 1790554392 Kayla Navarro Health Educator · Milford, MA NPI 1295504637 Whitney Letendre Optician · Milford, MA NPI 1497526503 Mary Silvestro Dentist · Milford, MA NPI 1467203588 Holly Lynde Licensed Practical Nurse · Milford, MA NPI 1669299343
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-27.