DR. MARTINA M MCGRATH MB, BAO, BCH
NPI 1679701270
Internal Medicine - Nephrology in Boston, MA
About Dr. Martina M Mcgrath Mb, Bao, Bch NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARTINA M MCGRATH MB, BAO, BCH (NPI 1679701270) is an individual nephrology provider in Boston, Massachusetts, licensed in Massachusetts (247137) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2001).
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 and accepts Medicare assignment
Dr. Martina M Mcgrath Mb, Bao, Bch 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 Reassignments
4Medicare enrollment records show Martina Mcgrath reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Roslindale, MA 02131
- Reassigned Medicare billing, Massachusetts enrollment
- 26 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 6
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Martina Mcgrath's NPI number?
The NPI number for Martina Mcgrath is 1679701270. It was assigned to this individual provider in the NPPES registry on June 23, 2009.
Where is Martina Mcgrath located?
Martina Mcgrath practices at 75 Francis St Brigham And Women's Hospital, Boston, MA 02115. The listed phone number is (617) 732-5897.
What is Martina Mcgrath's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Martina Mcgrath enrolled in Medicare?
Yes. Martina Mcgrath 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 organizations bill Medicare for Martina Mcgrath's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martina Mcgrath reassigns Medicare benefits to 4 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Hebrew Seniorlife Affiliated Medical Group Inc (Roslindale, 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 Martina Mcgrath's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martina Mcgrath accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Martina Mcgrath 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.
Is Martina Mcgrath affiliated with any hospitals?
According to CMS data, Martina Mcgrath is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Martina Mcgrath was last updated on December 9, 2013. 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.
# Dr. Martina M Mcgrath, MB, BAO, BCH · NPI 1679701270
Nephrology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 23, 2009.
## Identity
- **NPI:** 1679701270 (Entity type: Individual)
- **Enumerated:** June 23, 2009
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 247137 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL, Boston, MA 02115-6110
- **Phone:** (617) 732-5897
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Hebrew Seniorlife Affiliated Medical Group Inc (NPI 1477069391, Roslindale, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** December 9, 2013
---
Source: [NPI Profile](https://npiprofile.com/npi/1679701270) · Data from the CMS NPPES public registry.