Individual provider Active NPI

Kacey Malz, LCSW

  • Social Worker
  • Boston, MA
National Provider Identifier
1356270490
Registry record updated May 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
LCSW2141042 Issued in MA
Practice address
6 Liberty SQ
Boston, MA 02109-5800
Phone
(617) 890-6887
NPI assigned
May 15, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X LCSW2141042 MA Primary

Addresses

Primary practice location

6 Liberty SQ
Boston, MA 02109-5800

Mailing address

6 Liberty SQ
Boston, MA 02109-5800

Other practice location 1

1101 Beacon St
Brookline, MA 02446-5587
Phone (617) 890-6887

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
LCSW2141042MAMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1778803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1356270490",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 LIBERTY SQ",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021095800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6 LIBERTY SQ",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021095800",
            "telephone_number": "617-890-6887"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 Beacon St",
            "address_purpose": "LOCATION",
            "city": "Brookline",
            "state": "MA",
            "postal_code": "024465587",
            "country_code": "US",
            "telephone_number": "617-890-6887",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MALZ",
        "first_name": "KACEY",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-05-15",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MA",
            "license": "LCSW2141042",
            "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 May 15, 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.