Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Abigail Saint-Cyr
Behavior Technician in Boston, MA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043982267
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Registry record
Entity type Individual (Type 1)
Name Abigail Saint-Cyr
Sex Female
Practice address 800 Boylston St Fl 16, Boston, MA, 02199
Phone (617) 812-9454
Fax (855) 568-2494
Enumeration date Oct 5, 2021
Last updated in NPPES Oct 5, 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
Where does Abigail Saint-Cyr practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Abigail Saint-Cyr?
The National Provider Identifier (NPI) for Abigail Saint-Cyr is 1043982267, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-05.