Prashant Kumar Nageshwar, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

265150 Issued in MA

Practice address

75 Francis St
Brigham and Women'S Hospital
Boston, MA 02115-6110

Phone

(617) 632-3382

NPI assigned

Apr 28, 2011

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY, MA, PA, WI, MI5 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 5

Specialty

Internal MedicineAlso: Hematology/Oncology

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aurora Advanced Healthcare, Inc.Group PAC ID 3375625833, 1,107 clinicians

Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138
• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162
• Westchester Medical Center Hospital, Valhalla, NY, CCN 330234

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pnageshwar3240506@epic00.corewelldirect.org
• Direct secure messaging: nageshwar.prashant.dfci@direct.partners.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Aurora Advanced Healthcare, Inc.

  • Family Medicine Physician
  • Milwaukee, WI
  • NPI 1265629133
  Medicare reassignment Care Compare group NPD
• Dana-Farber Cancer Institute, Inc.

  • Special Hospital
  • Boston, MA
  • NPI 1346433257
  Medicare reassignment NPD
• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Medicare reassignment NPD
• Aurora Health Care Metro, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1861447179

  Hematology & Oncology

  Medicare reassignment NPD
• Geisinger Clinic

  • Family Medicine Physician
  • Danville, PA
  • NPI 1366493868
  Medicare reassignment NPD
• Spectrum Health Hospitals

  • Hospitalist Physician
  • Grand Rapids, MI
  • NPI 1558407189
  Medicare reassignment NPD
• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673

  Hospitalist

  Medicare reassignment NPD
• Westchester Medical Center Advanced Physician Services, PC

  • Surgery Physician
  • Valhalla, NY
  • NPI 1912131392
  Medicare reassignment NPD
• Dana-Farber Cancer Institute, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Chestnut Hill, MA
  • NPI 1497429237
  NPD
• Aurora Advanced Healthcare Inc

  • Durable Medical Equipment & Medical Supplies
  • Summit, WI
  • NPI 1477186633
  NPD
• Geisinger Clinic

  • Surgery Physician
  • Danville, PA
  • NPI 1255382784

  Hospitalist

  NPD
• Geisinger Clinic

  • Diagnostic Radiology Physician
  • Danville, PA
  • NPI 1558313023
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Cudahy, WI
  • NPI 1235355983

  Hospital

  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1861447179
  Care Compare affiliation
• Westchester County Health Care Corporation

  • General Acute Care Hospital
  • Valhalla, NY
  • NPI 1932280666
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1303948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1760773428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 BROOKLINE AVE # 17",
            "address_2": "DANA-FARBER CANCER INSTITUTE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155418",
            "telephone_number": "617-632-3382",
            "fax_number": "617-582-9250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "BRIGHAM AND WOMEN'S HOSPITAL",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-632-3382"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "145 Michigan St NE Ste 2200",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495032562",
            "country_code": "US",
            "telephone_number": "616-486-5933",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 North Academy Ave",
            "address_purpose": "LOCATION",
            "city": "Danville",
            "state": "PA",
            "postal_code": "178229800",
            "country_code": "US",
            "telephone_number": "570-271-6045",
            "fax_number": "570-271-6542",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "825 Chalkstone Ave",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029084728",
            "country_code": "US",
            "telephone_number": "401-456-2208",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "150 S Liberty St",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701122618",
            "country_code": "US",
            "telephone_number": "504-988-6300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAGESHWAR",
        "first_name": "PRASHANT",
        "middle_name": "KUMAR",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-04-28",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "PA",
            "license": "MD483588",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "265150",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "LA",
            "license": "334207",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "270985",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100303970",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Erica Nagase
• Megha Nagaswami
• Milo Matthew Nagayama, LCSW
• Jyotsna V Nagda, M.D.
• Arundati Nagendra, PH.D.
• Taraneh Naghieh, D.M.D.
• Alexandra Evans Nagle, LCSW
• Baily Nagle
• Deborah Ann Nagle, MD
• Judith A. Nagle, FNP-BC

• Hematology & Oncology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Hematology & Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.