Individual provider Active NPI

Mallory Ann Hillard, MSN, RN, AGPCNP-BC

  • Registered Nurse
  • Boston, MA
National Provider Identifier
1932667441
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
RN2312232 Issued in MA
Practice address
165 Cambridge St
Boston, MA 02114-2783
Phone
(617) 643-0422
NPI assigned
Mar 5, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN2312232 MA Primary
Nurse Practitioner 363L00000X RN2312232 MA

Addresses

Primary practice location

165 Cambridge St
Boston, MA 02114-2783

Mailing address

165 Cambridge St
Boston, MA 02114-2783
Phone (617) 643-0422

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN2312232MAMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1551744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1932667441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "165 CAMBRIDGE ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142783",
            "telephone_number": "617-643-0422"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "165 CAMBRIDGE ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142783",
            "telephone_number": "617-643-0422"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HILLARD",
        "first_name": "MALLORY",
        "middle_name": "ANN",
        "credential": "MSN, RN, AGPCNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-05",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "RN2312232",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "RN2312232",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.