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GEORGE LUTHER MUTTER MD
NPI 1023074325
Pathology - Anatomic Pathology in Boston, MA

Active since April 25, 2006
75 FRANCIS ST AMORY 3, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF PATHOLOGY, BOSTON, MA 02115(617) 732-7536 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About George Luther Mutter Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE LUTHER MUTTER MD (NPI 1023074325) is an individual anatomic pathology provider in Boston, Massachusetts, licensed in Massachusetts (59159) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1023074325
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameGEORGE LUTHER MUTTERCredential: MD
Location Address75 FRANCIS ST AMORY 3, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF PATHOLOGYBoston, MA 02115
Mailing Address75 Francis St Amory 3, Brigham And Womens Hospital Department Of PathologyBoston, MA 02115 · (617) 732-7536
Phone(617) 732-7536
Sole ProprietorNo
Enumeration DateApril 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1023074325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License✔ Licensed in MA · 59159
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
75 FRANCIS ST AMORY 3, Boston, MA 02115
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

George Luther Mutter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show George Mutter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brigham & Womens Physicians Organization Inc
0.1 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500

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

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.

Surgical pathology consultation and report on referred slides prepared elsewhere 88321
A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.
15 services15 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGE F MURPHY MD
Pathology (Anatomic Pathology)
75 FRANCIS ST AMORY 3, BRIGHAM AND WOMENS HOSPITAL DEPARTMENT OF PATHOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-7510
ROBERT F PADERA MD PHD
Pathology (Anatomic Pathology)
75 FRANCIS ST AMORY 3, BRIGHAM & WOMEN'S HOSPITAL DEPARTMENT OF PATHOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-7510

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 George Mutter's NPI number?

The NPI number for George Mutter is 1023074325. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is George Mutter located?

George Mutter practices at 75 Francis St Amory 3 Brigham And Womens Hospital Department Of Pathology, Boston, MA 02115. The listed phone number is (617) 732-7536.

What is George Mutter's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is George Mutter enrolled in Medicare?

Yes. George Mutter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for George Mutter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Mutter reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, 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 George Mutter'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 George Mutter was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.