Danielle N. Margalit, M.D., M.P.H.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

235985 Issued in MA

Practice address

100 Blossom St
Boston, MA 02114-2606

Phone

(617) 724-0288

NPI assigned

Feb 18, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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 1

Specialty

Radiation Oncology

Education

Harvard Medical School, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, 671 clinicians

Brigham and Womens Physicians Organization IncGroup PAC ID 3870405988, 2,931 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: margalit.danielle.bwh@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.

• Dana-Farber Cancer Institute, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Medicare reassignment Care Compare group NPD
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment Care Compare group
• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  Internal Medicine

  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• Brigham and Women'S Hospital

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1093885816
  NPD
• Dana-Farber Cancer Institute, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Chestnut Hill, MA
  • NPI 1497429237
  NPD
• Brigham and Womens Physicians Organization Inc

  • Diagnostic Radiology Physician
  • Boston, MA
  • NPI 1265464598
  NPD (past)
• Dana-Farber Cancer Institute, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Boston, MA
  • NPI 1225079940
  NPD (past)
• Mass General Brigham Medical Group Western Massachusetts Inc

  • Family Medicine Physician
  • Northampton, MA
  • NPI 1295787919

  Internal Medicine

  NPD (past)

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
• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Care Compare affiliation

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

{
    "created_epoch": "1171756800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1720122112",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "151 LINCOLN ST",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024611501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BLOSSOM ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142606",
            "telephone_number": "617-724-0288"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-724-0288",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "450 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155418",
            "country_code": "US",
            "telephone_number": "617-632-3591",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARGALIT",
        "first_name": "DANIELLE",
        "middle_name": "N.",
        "name_prefix": "Dr.",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-18",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "229030",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MA",
            "license": "235985",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Megan Mareiro, LCSW
• Jillian Grace Marena, PA-C
• Nathan Marengi, MD
• Laura Marengo, MD
• Mariel Catherine Marfongelli, PMHNP-BC
• Margaret Marino,PHD Inc
• Milica Margeta, M.D. PH.D.
• Amin Abdulrahim Marghalani
• Nadeem Georg Marghoob, DO
• Jameson Margiotta

• Radiation Oncology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Radiation Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 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.