Individual provider Active NPI

Katherine Ella Weiss-Logan, LICSW

  • Clinical Social Worker
  • Boston, MA
National Provider Identifier
1477432375
Registry record updated May 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW229524 Issued in MA
Practice address
801 Massachusetts Ave
Boston, MA 02118-2605
Phone
(857) 337-5051
NPI assigned
Aug 27, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCSW229524 MA Primary

Addresses

Primary practice location

801 Massachusetts Ave
Boston, MA 02118-2605

Mailing address

801 Massachusetts Ave
Boston, MA 02118-2605
Phone (857) 337-5051

Other names 1

  • Katherine Logan Former name

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
LCSW229524MAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1756252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779062400000",
    "number": "1477432375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182605",
            "telephone_number": "857-337-5051"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 MASSACHUSETTS AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182605",
            "telephone_number": "857-337-5051"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISS-LOGAN",
        "first_name": "KATHERINE",
        "middle_name": "ELLA",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-27",
        "last_updated": "2026-05-18",
        "certification_date": "2026-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "LCSW229524",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHERINE",
            "last_name": "LOGAN",
            "credential": "LICSW",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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 May 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.