Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Lena Boulos
Registered Nurse in Norwood, MA · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669239489
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Registry record
Entity type Individual (Type 1)
Name Mary Lena Boulos
Sex Female
Practice address 42 Winslow Ave, Norwood, MA, 02062
Phone (781) 690-9944
Enumeration date Feb 28, 2024
Last updated in NPPES Feb 28, 2024
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 Mary Boulos practice?
The practice location on file with NPPES is in Norwood, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Boulos?
The National Provider Identifier (NPI) for Mary Boulos is 1669239489, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-28.