Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jessica Giannone
Behavior Analyst in Watertown, MA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407257009
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Registry record
Entity type Individual (Type 1)
Name Jessica Giannone
Sex Female
Practice address 124 Watertown St, Watertown, MA, 02472
Phone (617) 997-1180
Enumeration date Sep 15, 2014
Last updated in NPPES Jan 25, 2017
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 Jessica Giannone practice?
The practice location on file with NPPES is in Watertown, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jessica Giannone?
The National Provider Identifier (NPI) for Jessica Giannone is 1407257009, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Natalie Lender Psychiatry Physician · Watertown, MA NPI 1740371038 Kimberly Grebert Clinical Social Worker · Watertown, MA NPI 1831261403 Melanie Allen-Salort Pediatric Occupational Therapist · Watertown, MA NPI 1174661748 Anne Trecker Pediatric Occupational Therapist · Watertown, MA NPI 1518005180 Nina Talayco Pediatric Occupational Therapist · Watertown, MA NPI 1194863761 Virginia Caputo Pediatric Physical Therapist · Watertown, MA NPI 1417095084 Amy Lowell Pediatric Occupational Therapist · Watertown, MA NPI 1619017100 Sarah Ryan Pediatric Occupational Therapist · Watertown, MA NPI 1902946403
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-25.