KELSEY KILLEEN LCSW
NPI 1811503469
Social Worker - Clinical in Boston, MA
About Kelsey Killeen Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELSEY KILLEEN LCSW (NPI 1811503469) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (224036) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Kelsey Killeen Lcsw 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 Kelsey Killeen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 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 02115 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Kelsey Killeen's NPI number?
The NPI number for Kelsey Killeen is 1811503469. It was assigned to this individual provider in the NPPES registry on September 18, 2020.
Where is Kelsey Killeen located?
Kelsey Killeen practices at 75 Francis St, Boston, MA 02115. The listed phone number is (978) 423-0228.
What is Kelsey Killeen's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Kelsey Killeen enrolled in Medicare?
Yes. Kelsey Killeen 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 Kelsey Killeen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Killeen reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, 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 Kelsey Killeen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelsey Killeen accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Kelsey Killeen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kelsey Killeen was last updated on September 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Kelsey Killeen, LCSW · NPI 1811503469
Clinical provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since September 18, 2020.
## Identity
- **NPI:** 1811503469 (Entity type: Individual)
- **Enumerated:** September 18, 2020
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 224036 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6106
- **Phone:** (978) 423-0228
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 18, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1811503469) · Data from the CMS NPPES public registry.