DR. KATHERINE NIMKIN MD
NPI 1639169444
Radiology - Pediatric Radiology in Boston, MA
About Dr. Katherine Nimkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE NIMKIN MD (NPI 1639169444) is an individual pediatric radiology provider in Boston, Massachusetts, licensed in Massachusetts (60313) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Katherine Nimkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Katherine Nimkin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 6,360 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
- 128 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 419 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.
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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Katherine Nimkin's NPI number?
The NPI number for Katherine Nimkin is 1639169444. It was assigned to this individual provider in the NPPES registry on October 24, 2005.
Where is Katherine Nimkin located?
Katherine Nimkin practices at 55 Fruit St Fnd 2 Radiological Associates, Boston, MA 02114. The listed phone number is (617) 724-4207.
What is Katherine Nimkin's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Katherine Nimkin enrolled in Medicare?
Yes. Katherine Nimkin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katherine Nimkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Nimkin reassigns Medicare benefits to 6 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), The Shriners' Hospital For Children (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA) and 1 more organization, listed in the Medicare section above. 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 Katherine Nimkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Nimkin accept?
Health plans from Taro Health list Katherine Nimkin 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.
When was this NPI record last updated?
The NPPES record for Katherine Nimkin was last updated on August 9, 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.
# Dr. Katherine Nimkin, MD · NPI 1639169444
Pediatric Radiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 24, 2005.
## Identity
- **NPI:** 1639169444 (Entity type: Individual)
- **Enumerated:** October 24, 2005
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** 60313 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, FND 2 RADIOLOGICAL ASSOCIATES, Boston, MA 02114-2696
- **Phone:** (617) 724-4207 · **Fax:** (617) 726-8360
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); The Shriners' Hospital For Children (NPI 1366886525, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 9, 2012
- **Other identifiers:** Other J08410 (MA); Medicare UPIN D98816; Medicaid 3043606 (MA); and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1639169444) · Data from the CMS NPPES public registry.