Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alyssa A D'Arcy, RN BSN CANS
Registered Nurse in Hanover, MA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891459798
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Registry record
Entity type Individual (Type 1)
Name Alyssa A D'Arcy
Credential RN BSN CANS
Sex Female
Practice address 20 East St, Hanover, MA, 02339
Phone (781) 826-5400
Enumeration date Oct 26, 2021
Last updated in NPPES Oct 26, 2021
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 Alyssa D'Arcy?
The National Provider Identifier (NPI) for Alyssa D'Arcy is 1891459798, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alyssa D'Arcy practice?
The practice location on file with NPPES is in Hanover, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-26.