Individual provider Active NPI

Katherine Tigelaar, LICSW

  • Clinical Social Worker
  • Reading, MA
National Provider Identifier
1275655375
Registry record updated Sep 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
113644 Issued in MA
Practice address
160 Summer Ave
Reading, MA 01867-2824
Phone
(857) 245-9296
NPI assigned
Apr 6, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2025

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 113644 MA Primary

Addresses

Primary practice location

160 Summer Ave
Reading, MA 01867-2824

Mailing address

160 Summer Ave
Reading, MA 01867-2824
Phone (857) 245-9296

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
113644MAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1175817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1275655375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "160 SUMMER AVE",
            "city": "READING",
            "state": "MA",
            "postal_code": "018672824",
            "telephone_number": "857-245-9296"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "160 SUMMER AVE",
            "city": "READING",
            "state": "MA",
            "postal_code": "018672824",
            "telephone_number": "857-245-9296"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIGELAAR",
        "first_name": "KATHERINE",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-06",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "113644",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Reading, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2025; 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.