Individual provider Active NPI

Katherine D Griffiths, LICSW

  • Clinical Social Worker
  • Chelsea, MA
National Provider Identifier
1104042480
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
110020 Issued in MA
Practice address
151 Everett Ave
Chelsea, MA 02150-1812
Phone
(617) 889-8515
Fax
(617) 889-8509
NPI assigned
Apr 17, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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 110020 MA Primary

Addresses

Primary practice location

151 Everett Ave
Chelsea, MA 02150-1812

Mailing address

151 Everett Ave
Chelsea, MA 02150-1812
Phone (617) 889-8515

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230905000564 MA Practitioner - Clinical Social Worker 6002279361 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
110020MAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Jul 22, 2023 Accepting new patients
Optum Behavioral Care of Connecticut, P.C. Clinical CurrentSince Dec 16, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Jul 22, 2023 Accepting new patients
Optum Behavioral Care of Connecticut, P.C. CurrentSince Dec 16, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients

Locations

40 Shattuck Rd
Ste 250
Andover, MA 01810
Phone (603) 505-6847

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

1330 Beacon St
Ste 202
Brookline, MA 02446
Phone (617) 738-1018

73 High St
Charlestown, MA 02129
Phone (617) 724-8135

151 Everett Ave
Chelsea, MA 02150
Phone (617) 884-8300

Interoperability endpoints

  • Direct secure messaging: griffiths.katherine.mgh@direct.partners.masshiway.net
  • Direct secure messaging: katherine.griffiths.1@28623.direct.athenahealth.com

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1176768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1104042480",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "151 EVERETT AVE",
            "city": "CHELSEA",
            "state": "MA",
            "postal_code": "021501812",
            "telephone_number": "617-889-8515",
            "fax_number": "617-889-8509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "151 EVERETT AVE",
            "city": "CHELSEA",
            "state": "MA",
            "postal_code": "021501812",
            "telephone_number": "617-889-8515",
            "fax_number": "617-889-8509"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIFFITHS",
        "first_name": "KATHERINE",
        "middle_name": "D",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-17",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "110020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chelsea, MA

Sources for this page

Verify at the official NPI Registry.