CATHLYN M HILL MSW LICSW
NPI 1407969884
Social Worker in Chelmsford, MA
About Cathlyn M Hill Msw Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHLYN M HILL MSW LICSW (NPI 1407969884) is an individual social worker in Chelmsford, Massachusetts, licensed in Massachusetts (106290) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Cathlyn M Hill Msw 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 Cathlyn Hill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chelmsford, MA 01824
- Reassigned Medicare billing, Massachusetts enrollment
- 3 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.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
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 Cathlyn Hill's NPI number?
The NPI number for Cathlyn Hill is 1407969884. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Cathlyn Hill located?
Cathlyn Hill practices at 201 Chelmsford St, Chelmsford, MA 01824. The listed phone number is (978) 256-1467.
What is Cathlyn Hill's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Cathlyn Hill enrolled in Medicare?
Yes. Cathlyn Hill 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 Cathlyn Hill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathlyn Hill reassigns Medicare benefits to Associates Of Merrimack Valley Inc (Chelmsford, 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 Cathlyn Hill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cathlyn Hill accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Cathlyn Hill 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 Cathlyn Hill was last updated on March 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Cathlyn M Hill, MSW LICSW · NPI 1407969884
Social Worker provider in Chelmsford, Massachusetts. Individual provider, active in the CMS NPPES registry since August 17, 2006.
## Identity
- **NPI:** 1407969884 (Entity type: Individual)
- **Enumerated:** August 17, 2006
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 106290 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 CHELMSFORD ST, Chelmsford, MA 01824
- **Phone:** (978) 256-1467 · **Fax:** (978) 256-7465
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Associates Of Merrimack Valley Inc (NPI 1174536809, Chelmsford, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** March 9, 2008
- **Other identifiers:** Medicare PIN P22065 (MA); Medicaid 1102303 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1407969884) · Data from the CMS NPPES public registry.