MAREIKE EVERY-GIROUX
NPI 1821243817
Social Worker - Clinical in Holyoke, MA
About Mareike Every-giroux NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAREIKE EVERY-GIROUX (NPI 1821243817) is an individual clinical provider in Holyoke, Massachusetts, licensed in Massachusetts (118924) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mareike Every-giroux is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mareike Every-giroux reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 144 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 01040 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.
HOLYOKE, MA 01040
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 Mareike Every-giroux's NPI number?
The NPI number for Mareike Every-giroux is 1821243817. It was assigned to this individual provider in the NPPES registry on November 18, 2008.
Where is Mareike Every-giroux located?
Mareike Every-giroux practices at 303 Beech St, Holyoke, MA 01040. The listed phone number is (413) 377-6360.
What is Mareike Every-giroux's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mareike Every-giroux enrolled in Medicare?
Yes. Mareike Every-giroux is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mareike Every-giroux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mareike Every-giroux reassigns Medicare benefits to River Valley Counseling Center, Inc (Holyoke, 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 Mareike Every-giroux'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 Mareike Every-giroux was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Mareike Every-Giroux · NPI 1821243817
Clinical provider in Holyoke, Massachusetts. Individual provider, active in the CMS NPPES registry since November 18, 2008.
## Identity
- **NPI:** 1821243817 (Entity type: Individual)
- **Enumerated:** November 18, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 118924 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 303 BEECH ST, Holyoke, MA 01040-3968
- **Phone:** (413) 377-6360
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** River Valley Counseling Center, Inc (NPI 1851444616, Holyoke, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821243817) · Data from the CMS NPPES public registry.