JEFFREY NEIL KATZ MD
NPI 1275582769
Internal Medicine - Rheumatology in Boston, MA
About Jeffrey Neil Katz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY NEIL KATZ MD (NPI 1275582769) is an individual rheumatology provider in Boston, Massachusetts, licensed in Massachusetts (57072) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Yale University School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
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
Jeffrey Neil Katz Md 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 Reassignment
Medicare enrollment records show Jeffrey Katz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham 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.
Other Providers at the Same Location NPPES 5
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 Jeffrey Katz's NPI number?
The NPI number for Jeffrey Katz is 1275582769. It was assigned to this individual provider in the NPPES registry on May 10, 2006.
Where is Jeffrey Katz located?
Jeffrey Katz practices at Brigham And Womens Hospital Div Of Rheumatology Immunology And Allergy, Boston, MA 02115. The listed phone number is (617) 732-5338.
What is Jeffrey Katz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jeffrey Katz enrolled in Medicare?
Yes. Jeffrey Katz 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 organization bills Medicare for Jeffrey Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Katz 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 Jeffrey Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Katz affiliated with any hospitals?
According to CMS data, Jeffrey Katz is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Jeffrey Katz was last updated on July 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Jeffrey Neil Katz, MD · NPI 1275582769
Rheumatology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 10, 2006.
## Identity
- **NPI:** 1275582769 (Entity type: Individual)
- **Enumerated:** May 10, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 57072 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** BRIGHAM AND WOMENS HOSPITAL, DIV OF RHEUMATOLOGY IMMUNOLOGY AND ALLERGY, Boston, MA 02115
- **Phone:** (617) 732-5338
## 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:** Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** July 2, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1275582769) · Data from the CMS NPPES public registry.