DR. RACHEL P ROSOVSKY MD
NPI 1821072257
Internal Medicine - Hematology & Oncology in Boston, MA
About Dr. Rachel P Rosovsky Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RACHEL P ROSOVSKY MD (NPI 1821072257) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (217573) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Harvard Medical School (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Dr. Rachel P Rosovsky 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 Reassignments
3Medicare enrollment records show Rachel Rosovsky reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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 10
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 02114
BOSTON, MA 02114
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 Rachel Rosovsky's NPI number?
The NPI number for Rachel Rosovsky is 1821072257. It was assigned to this individual provider in the NPPES registry on November 30, 2005. The provider is also known as Rachel Greenberger.
Where is Rachel Rosovsky located?
Rachel Rosovsky practices at 55 Fruit St Yaw 7, Boston, MA 02114. The listed phone number is (617) 726-8743.
What is Rachel Rosovsky's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Rachel Rosovsky enrolled in Medicare?
Yes. Rachel Rosovsky 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 Rachel Rosovsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Rosovsky reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). 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 Rachel Rosovsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachel Rosovsky accept?
Health plans from Taro Health list Rachel Rosovsky 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.
Is Rachel Rosovsky affiliated with any hospitals?
According to CMS data, Rachel Rosovsky is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Rachel Rosovsky was last updated on October 24, 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. Rachel P Rosovsky, MD · NPI 1821072257
Hematology & Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 30, 2005.
## Identity
- **NPI:** 1821072257 (Entity type: Individual)
- **Enumerated:** November 30, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 217573 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST YAW 7, Boston, MA 02114-2696
- **Phone:** (617) 726-8743
## 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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2000
## Record status
- **NPPES last updated:** October 24, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1821072257) · Data from the CMS NPPES public registry.