CAROL L KATZ APRN
NPI 1871710137
Nurse Practitioner in Cambridge, MA
About Carol L Katz Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL L KATZ APRN (NPI 1871710137) is an individual nurse practitioner in Cambridge, Massachusetts, licensed in Massachusetts (228718) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carol L Katz Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carol Katz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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 02139 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.
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 Carol Katz's NPI number?
The NPI number for Carol Katz is 1871710137. It was assigned to this individual provider in the NPPES registry on April 19, 2007.
Where is Carol Katz located?
Carol Katz practices at 1493 Cambridge St Zinberg Clinic, Cambridge, MA 02139. The listed phone number is (617) 665-1606.
What is Carol Katz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Carol Katz enrolled in Medicare?
Yes. Carol Katz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carol Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Katz reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Carol Katz'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 Carol Katz was last updated on February 7, 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.
# Carol L Katz, APRN · NPI 1871710137
Nurse Practitioner physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since April 19, 2007.
## Identity
- **NPI:** 1871710137 (Entity type: Individual)
- **Enumerated:** April 19, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 228718 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1493 CAMBRIDGE ST, ZINBERG CLINIC, Cambridge, MA 02139-1047
- **Phone:** (617) 665-1606
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 7, 2012
- **Other identifiers:** Other NP1393 (MA); Medicare UPIN S73555; Medicare PIN UX8295 (MA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1871710137) · Data from the CMS NPPES public registry.