ABBY R ROSENBERG
NPI 1194833020
Pediatrics - Pediatric Hematology-Oncology in Boston, MA
About Abby R Rosenberg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABBY R ROSENBERG (NPI 1194833020) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (295466) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Stanford University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Abby R Rosenberg 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
3Medicare enrollment records show Abby Rosenberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,026 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 clinicians in this Medicare group
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 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.
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 Abby Rosenberg's NPI number?
The NPI number for Abby Rosenberg is 1194833020. It was assigned to this individual provider in the NPPES registry on August 29, 2006.
Where is Abby Rosenberg located?
Abby Rosenberg practices at 450 Brookline Ave # Jfb7, Boston, MA 02215. The listed phone number is (617) 632-3000.
What is Abby Rosenberg's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Abby Rosenberg enrolled in Medicare?
Yes. Abby Rosenberg 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 Abby Rosenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abby Rosenberg reassigns Medicare benefits to 3 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA), Children's Hospital Pediatric Associates, Inc (Boston, MA) and Association Of Chmc And University Physicians (Richland, WA). 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 Abby Rosenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abby Rosenberg accept?
Health plans from Anthem Blue Cross and Blue Shield list Abby Rosenberg 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 Abby Rosenberg was last updated on January 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Abby R Rosenberg · NPI 1194833020
Pediatric Hematology-Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 29, 2006.
## Identity
- **NPI:** 1194833020 (Entity type: Individual)
- **Enumerated:** August 29, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 295466 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 450 BROOKLINE AVE # JFB7, Boston, MA 02215-5418
- **Phone:** (617) 632-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA); Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA); Association Of Chmc And University Physicians (NPI 1851680664, Richland, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** January 3, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1194833020) · Data from the CMS NPPES public registry.