Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Wendy Fay Gillenson, LICSW
Clinical Social Worker in Lynn, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003037342
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Registry record
Entity type Individual (Type 1)
Name Ms. Wendy Fay Gillenson
Credential LICSW
Sex Female
Practice address 95 Pleasant St, Lynn, MA, 01901
Phone (781) 581-4400
Enumeration date May 2, 2007
Last updated in NPPES Apr 15, 2015
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 105032 (MA) Primary
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 Wendy Gillenson?
The National Provider Identifier (NPI) for Wendy Gillenson is 1003037342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Wendy Gillenson practice?
The practice location on file with NPPES is in Lynn, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Sangita Mallick Child & Adolescent Psychiatry Physician · Lynn, MA NPI 1629188966 Pamela Bradbury Mental Health Counselor · Lynn, MA NPI 1043392350 Rolf Flor Clinical Social Worker · Lynn, MA NPI 1891872396 Andreas Pascla Counselor · Lynn, MA NPI 1154482453 Richard Freid Mental Health Counselor · Lynn, MA NPI 1346302999 Grace Myhill Clinical Social Worker · Lynn, MA NPI 1801959911 Rebecca Hayes Clinical Social Worker · Lynn, MA NPI 1063565893 Ladan Nabavi Mental Health Counselor · Lynn, MA NPI 1427170638
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-15.