DR. PRASHANT KUMAR NAGESHWAR M.D.
NPI 1760773428
Internal Medicine - Hematology & Oncology in Boston, MA
About Dr. Prashant Kumar Nageshwar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PRASHANT KUMAR NAGESHWAR M.D. (NPI 1760773428) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (265150) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
Other Identifiers 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. Prashant Kumar Nageshwar M.d. 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
7Medicare enrollment records show Prashant Nageshwar reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1851333686 (Massachusetts)
- 531 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Honesdale, PA 18431
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 405 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 297 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 4
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.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAWestchester Medical Center
Acute Care Hospitals · Valhalla, NYAurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Prashant Nageshwar's NPI number?
The NPI number for Prashant Nageshwar is 1760773428. It was assigned to this individual provider in the NPPES registry on April 28, 2011.
Where is Prashant Nageshwar located?
Prashant Nageshwar practices at 75 Francis St Brigham And Women's Hospital, Boston, MA 02115. The listed phone number is (617) 632-3382.
What is Prashant Nageshwar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Prashant Nageshwar enrolled in Medicare?
Yes. Prashant Nageshwar 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 Prashant Nageshwar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Prashant Nageshwar reassigns Medicare benefits to 7 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA), Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Geisinger Clinic (Honesdale, PA), Spectrum Health Primary Care Partners (Grand Rapids, MI), Spectrum Health Hospitals (Grand Rapids, MI) and 2 more organizations, 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 Prashant Nageshwar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Prashant Nageshwar accept?
Health plans from Aspirus Health Plan, Blue Cross and Blue Shield of Louisiana, CareSource (Common Ground Healthcare), HMO Louisiana and Priority Health list Prashant Nageshwar 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 Prashant Nageshwar affiliated with any hospitals?
According to CMS data, Prashant Nageshwar is affiliated with Brigham And Women's Hospital, Westchester Medical Center and Aurora St Lukes Medical Center.
When was this NPI record last updated?
The NPPES record for Prashant Nageshwar was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Prashant Kumar Nageshwar, M.D. · NPI 1760773428
Hematology & Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 28, 2011.
## Identity
- **NPI:** 1760773428 (Entity type: Individual)
- **Enumerated:** April 28, 2011
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 265150 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL, Boston, MA 02115-6110
- **Phone:** (617) 632-3382
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Dana-Farber Cancer Institute, Inc. (NPI 1346433257, Boston, MA); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); Geisinger Clinic (NPI 1720495393, Honesdale, PA); Spectrum Health Primary Care Partners (NPI 1528374683, Grand Rapids, MI); Spectrum Health Hospitals (NPI 1558407189, Grand Rapids, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** May 5, 2026
- **Other identifiers:** Medicaid 100303970 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1760773428) · Data from the CMS NPPES public registry.