Individual provider Active NPI

Madeleine O'Connell

  • Nurse Practitioner
  • Boston, MA
National Provider Identifier
1699489963
Registry record updated Sep 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
RN2361971 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(617) 724-5610
NPI assigned
Jan 10, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Oncology Registered Nurse 163WX0200X RN2361971 MA
Nurse Practitioner 363L00000X RN2361971 MA Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

55 Fruit St
Boston, MA 02114-2621

Other practice location 1

75 Francis St
Boston, MA 02115-6110
Phone (617) 724-4000

Medicare participation

Medicare enrollment files
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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250920000123 MA Practitioner - Nurse Practitioner 4688178742 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

62 13RH St
Charlestown, MA 02129-2056

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN2361971MAMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc CurrentSince Aug 15, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients
The General Hospital Corporation CurrentSince Aug 15, 2025 Accepting new patients

Locations

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

Interoperability endpoints

  • Direct secure messaging: o'connell.madeleine.mgh@direct.partners.masshiway.net

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1673308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1699489963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-724-5610"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-724-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNELL",
        "first_name": "MADELEINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-10",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WX0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Oncology",
            "state": "MA",
            "license": "RN2361971",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "RN2361971",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.