MS. WENDY FAY GILLENSON LICSW
NPI 1003037342
Social Worker - Clinical in Lynn, MA
About Ms. Wendy Fay Gillenson Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. WENDY FAY GILLENSON LICSW (NPI 1003037342) is an individual clinical provider in Lynn, Massachusetts, licensed in Massachusetts (105032) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Wendy Fay Gillenson Licsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Wendy Gillenson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lexington, MA 02421
- Reassigned Medicare billing, Massachusetts enrollment
- 167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LYNN, MA 01901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Wendy Gillenson's NPI number?
The NPI number for Wendy Gillenson is 1003037342. It was assigned to this individual provider in the NPPES registry on May 2, 2007.
Where is Wendy Gillenson located?
Wendy Gillenson practices at 95 Pleasant St, Lynn, MA 01901. The listed phone number is (781) 581-4400.
What is Wendy Gillenson's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Wendy Gillenson enrolled in Medicare?
Yes. Wendy Gillenson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Wendy Gillenson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Gillenson reassigns Medicare benefits to Eliot Community Human Services (Lexington, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wendy Gillenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Wendy Gillenson was last updated on April 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Wendy Fay Gillenson, LICSW · NPI 1003037342
Clinical provider in Lynn, Massachusetts. Individual provider, active in the CMS NPPES registry since May 2, 2007.
## Identity
- **NPI:** 1003037342 (Entity type: Individual)
- **Enumerated:** May 2, 2007
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 105032 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 95 PLEASANT ST, Lynn, MA 01901-1524
- **Phone:** (781) 581-4400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Eliot Community Human Services (NPI 1679648182, Lexington, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** April 15, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1003037342) · Data from the CMS NPPES public registry.