EILEEN M MARR CRNA
NPI 1376518555
Nurse Anesthetist, Certified Registered in Westwood, MA
About Eileen M Marr Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EILEEN M MARR CRNA (NPI 1376518555) is an individual nurse anesthetist, certified registered in Westwood, Massachusetts, licensed in Massachusetts (194904) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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)
Eileen M Marr Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Eileen Marr reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 93 clinicians in this Medicare group
Weymouth, MA 02189
- Reassigned Medicare billing, Massachusetts enrollment
- 115 clinicians in this Medicare group
Fall River, MA 02721
- Reassigned Medicare billing, Massachusetts enrollment
- 347 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02090 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.
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
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 Eileen Marr's NPI number?
The NPI number for Eileen Marr is 1376518555. It was assigned to this individual provider in the NPPES registry on February 21, 2006.
Where is Eileen Marr located?
Eileen Marr practices at 690 Canton St Suite 325, Westwood, MA 02090. The listed phone number is (781) 407-7713.
What is Eileen Marr's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Eileen Marr enrolled in Medicare?
Yes. Eileen Marr is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Eileen Marr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Marr reassigns Medicare benefits to 3 organizations: South Suburban Gastroenterology, PC (South Weymouth, MA), Capa Anesthesia LLC (Weymouth, MA) and Steward Medical Group, Inc (Fall River, MA). Each 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 Eileen Marr'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 Eileen Marr was last updated on October 26, 2007. 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.
# Eileen M Marr, CRNA · NPI 1376518555
Nurse Anesthetist, Certified Registered physician in Westwood, Massachusetts. Individual provider, active in the CMS NPPES registry since February 21, 2006.
## Identity
- **NPI:** 1376518555 (Entity type: Individual)
- **Enumerated:** February 21, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 194904 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 690 CANTON ST, SUITE 325, Westwood, MA 02090-2321
- **Phone:** (781) 407-7713 · **Fax:** (781) 407-0998
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): South Suburban Gastroenterology, PC (NPI 1114948478, South Weymouth, MA); Capa Anesthesia LLC (NPI 1629723002, Weymouth, MA); Steward Medical Group, Inc (NPI 1043711914, Fall River, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 26, 2007
- **Other identifiers:** Medicare PIN NA1100 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1376518555) · Data from the CMS NPPES public registry.