Madeline Kelley O'Neil

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN2358812 Issued in MA

Practice address

300 Longwood Ave
Boston, MA 02115-5724

Phone

(617) 355-6000

NPI assigned

Apr 8, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1775606400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1033051834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "54 TWO PONDS RD",
            "city": "FALMOUTH",
            "state": "MA",
            "postal_code": "025402224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEIL",
        "first_name": "MADELINE",
        "middle_name": "KELLEY",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-08",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2358812",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maureen O'Neil-Britt, NP
• Therese M O'Neil-Pirozzi, SCD., CCC-SLP
• Jennifer O'Neil, LMHC
• Jennifer Anne O'Neil, RN
• Kayla Marie O'Neil, MSN, AGACNP-BC
• Connor O'Neill-Dee, MD
• Margaret O'Neill-Dee
• Ailbhe O'Neill, M.D.
• Allison O'Neill
• Archana P O'Neill, MD

• Family Nurse Practitioner in Boston, MA
• Providers in Boston, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.