MS. MARY DENISE HARRIS LCSW-C
NPI 1871947150
Social Worker - Clinical in Worcester, MA
About Ms. Mary Denise Harris Lcsw-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY DENISE HARRIS LCSW-C (NPI 1871947150) is an individual clinical provider in Worcester, Massachusetts, licensed in Massachusetts (122745) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Mary Denise Harris Lcsw-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 689 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 01655 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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Mary Harris's NPI number?
The NPI number for Mary Harris is 1871947150. It was assigned to this individual provider in the NPPES registry on April 22, 2016. The provider is also known as Ms. Mary Denise Cederburg.
Where is Mary Harris located?
Mary Harris practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 442-6629.
What is Mary Harris's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Harris enrolled in Medicare?
Yes. Mary Harris is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Harris reassigns Medicare benefits to Northeast Health Services, LLC (Taunton, 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 Mary Harris'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 Mary Harris was last updated on December 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Mary Denise Harris, LCSW-C · NPI 1871947150
Clinical provider in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since April 22, 2016.
## Identity
- **NPI:** 1871947150 (Entity type: Individual)
- **Enumerated:** April 22, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 122745 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655-0002
- **Phone:** (774) 442-6629 · **Fax:** (774) 443-7399
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Northeast Health Services, LLC (NPI 1225067481, Taunton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 22, 2020
- **Other identifiers:** Medicaid 119591300 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1871947150) · Data from the CMS NPPES public registry.