Individual provider Active NPI

Katherine Grace Pieterse

  • Mental Health Counselor
  • Braintree, MA
National Provider Identifier
1649065343
Registry record updated Apr 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
222 Forbes Rd Ste 207
Braintree, MA 02184-2720
Phone
(781) 990-5310
NPI assigned
Apr 12, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X Primary

Addresses

Primary practice location

222 Forbes Rd Ste 207
Braintree, MA 02184-2720

Mailing address

434 Massachusetts Ave Apt 4
Cambridge, MA 02139-4138

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

Practice roles

OrganizationSpecialtyStatusNew patients
Equilibria Mental Health LLC CurrentSince May 11, 2025 Accepting new patients

Locations

222 Forbes Rd
Ste 207
Braintree, MA 02184
Phone (781) 298-7196

Organizations & group practices 1

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": "1744416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744416000000",
    "number": "1649065343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "434 MASSACHUSETTS AVE APT 4",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021394138"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 FORBES RD STE 207",
            "city": "BRAINTREE",
            "state": "MA",
            "postal_code": "021842720",
            "telephone_number": "781-990-5310"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIETERSE",
        "first_name": "KATHERINE",
        "middle_name": "GRACE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-12",
        "last_updated": "2025-04-12",
        "certification_date": "2025-04-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Braintree, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 12, 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.