Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jillian Masse
Behavior Technician in Waltham, MA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285282897
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Registry record
Entity type Individual (Type 1)
Name Jillian Masse
Sex Female
Practice address 303 Wyman Street, Suite 354, 344, 345, Waltham, MA, 02451
Phone (800) 749-8507
Enumeration date Aug 27, 2019
Last updated in NPPES Aug 27, 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 Jillian Masse practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jillian Masse?
The National Provider Identifier (NPI) for Jillian Masse is 1285282897, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Sinclair Fashaw-Braxton Behavior Technician · Waltham, MA NPI 1982252599 Seidney Charles Behavior Technician · Waltham, MA NPI 1003464611 Jade Hitchcock Behavior Technician · Waltham, MA NPI 1669020947 Najee Janey Behavior Technician · Waltham, MA NPI 1871141176 Odell Ruffin Behavior Technician · Waltham, MA NPI 1598314395 Alyssa Quicquaro Behavior Technician · Waltham, MA NPI 1629629274
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-27.