Individual provider Active NPI

Kathryn E Difiore, NP

  • Acute Care Nurse Practitioner
  • Boston, MA
National Provider Identifier
1700308848
Registry record updated Apr 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
RN2286235 Issued in MA
Practice address
100 Cambridge St
Boston, MA 02114-2509
Phone
(888) 731-8994
NPI assigned
Jul 11, 2017
Last updated
Apr 25, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X RN2286235 MA Primary

Addresses

Primary practice location

100 Cambridge St
Boston, MA 02114-2509

Mailing address

PO Box 33357
Belfast, ME 04915-0611
Phone (888) 731-8994

Other practice location 1

2004 Ford Pkwy
Saint Paul, MN 55116-1931
Phone (888) 731-8994

Other practice location 2

20 Foundry St Fl 2
Concord, NH 03301-5419
Phone (888) 731-8994

Other practice location 3

15333 N Pima Rd Ste 312
Scottsdale, AZ 85260-2783
Phone (888) 731-8994

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
Nurse Practitioner

Interoperability endpoints

  • Direct secure messaging: kathryn.difiore@723214448459780.direct.elationemr.com

NPI Registry JSON

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

{
    "created_epoch": "1499731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777075200000",
    "number": "1700308848",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 33357",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049150611",
            "telephone_number": "888-731-8994",
            "fax_number": "888-732-8119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 CAMBRIDGE ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142509",
            "telephone_number": "888-731-8994"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2004 Ford Pkwy",
            "address_purpose": "LOCATION",
            "city": "Saint Paul",
            "state": "MN",
            "postal_code": "551161931",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20 Foundry St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "NH",
            "postal_code": "033015419",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15333 N Pima Rd Ste 312",
            "address_purpose": "LOCATION",
            "city": "Scottsdale",
            "state": "AZ",
            "postal_code": "852602783",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIFIORE",
        "first_name": "KATHRYN",
        "middle_name": "E",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-07-11",
        "last_updated": "2026-04-25",
        "certification_date": "2026-04-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MA",
            "license": "RN2286235",
            "primary": true
        }
    ],
    "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 Apr 25, 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.