MATTHEW EWEN
NPI 1104234897
Social Worker - Clinical in Cambridge, MA
About Matthew Ewen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW EWEN (NPI 1104234897) is an individual clinical provider in Cambridge, Massachusetts and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS.
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 (PECOS)
Matthew Ewen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Ewen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 362 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 02139 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.
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 Matthew Ewen's NPI number?
The NPI number for Matthew Ewen is 1104234897. It was assigned to this individual provider in the NPPES registry on July 26, 2014.
Where is Matthew Ewen located?
Matthew Ewen practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1185.
What is Matthew Ewen's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Matthew Ewen enrolled in Medicare?
Yes. Matthew Ewen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Ewen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Ewen reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Matthew Ewen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Ewen accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Matthew Ewen 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 Matthew Ewen was last updated on July 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Matthew Ewen · NPI 1104234897
Clinical provider in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since July 26, 2014.
## Identity
- **NPI:** 1104234897 (Entity type: Individual)
- **Enumerated:** July 26, 2014
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** No
## Practice location
- **Address:** 1493 CAMBRIDGE ST, Cambridge, MA 02139-1047
- **Phone:** (617) 665-1185
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Cambridge Public Health Commission (NPI 1306908405, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 26, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1104234897) · Data from the CMS NPPES public registry.