EGHOSA ROSEMARY IDUMWONYI MD
NPI 1265894919
Hospitalist in Norwood, MA
About Eghosa Rosemary Idumwonyi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EGHOSA ROSEMARY IDUMWONYI MD (NPI 1265894919) is an individual hospitalist provider in Norwood, Massachusetts, licensed in Massachusetts (279081) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 3
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
Eghosa Rosemary Idumwonyi 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
5Medicare enrollment records show Eghosa Idumwonyi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Canton, MA 02021
- Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
- 113 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 305 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MASt Elizabeth's Medical Center
Acute Care Hospitals · Brighton, MAHoly Family Hospital
Acute Care Hospitals · Methuen, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NORWOOD, MA 02062
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 Eghosa Idumwonyi's NPI number?
The NPI number for Eghosa Idumwonyi is 1265894919. It was assigned to this individual provider in the NPPES registry on March 22, 2016. The provider is also known as Eghosa Idumwonyi MD.
Where is Eghosa Idumwonyi located?
Eghosa Idumwonyi practices at 800 Washington St, Norwood, MA 02062. The listed phone number is (781) 769-4000.
What is Eghosa Idumwonyi's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Eghosa Idumwonyi enrolled in Medicare?
Yes. Eghosa Idumwonyi 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 Eghosa Idumwonyi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eghosa Idumwonyi reassigns Medicare benefits to 5 organizations: Vantage Healthcare LLC (Canton, MA), Bmc Affiliated Physicians, Inc. (Boston, MA), Steward Medical Group, Inc (Watertown, MA), Community Medical Associates, Inc. (Lawrence, MA) and Lawrence General Hospital (Lawrence, 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 Eghosa Idumwonyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eghosa Idumwonyi accept?
Health plans from WellSense Health Plan list Eghosa Idumwonyi 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 Eghosa Idumwonyi affiliated with any hospitals?
According to CMS data, Eghosa Idumwonyi is affiliated with Boston Medical Center, St Elizabeth's Medical Center and Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Eghosa Idumwonyi was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Eghosa Rosemary Idumwonyi, MD · NPI 1265894919
Hospitalist physician in Norwood, Massachusetts. Individual provider, active in the CMS NPPES registry since March 22, 2016.
## Identity
- **NPI:** 1265894919 (Entity type: Individual)
- **Enumerated:** March 22, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 279081 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 800 WASHINGTON ST, Norwood, MA 02062-3487
- **Phone:** (781) 769-4000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Vantage Healthcare LLC (NPI 1366903551, Canton, MA); Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); Community Medical Associates, Inc. (NPI 1144544040, Lawrence, MA); Lawrence General Hospital (NPI 1750381281, Lawrence, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1265894919) · Data from the CMS NPPES public registry.