Individual provider Active NPI

Ellen S. Bettmann Piontek, M.ED.

  • Clinical Social Worker
  • Holliston, MA
National Provider Identifier
1649321142
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
203392 Issued in MA
Practice address
170 Mellen St
Holliston, MA 01746-1137
Phone
(508) 429-6125
Fax
(508) 429-9204
NPI assigned
Jan 13, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 203392 MA Primary
Marriage & Family Therapist 106H00000X 316 MA

Addresses

Primary practice location

170 Mellen St
Holliston, MA 01746-1137

Mailing address

170 Mellen St
Holliston, MA 01746-1137
Phone (508) 429-6125

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
Credentials
Master of Education

State licenses

LicenseStateTypeSpecialty
316MAMDBehavioral Analyst
203392MAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1168646400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1649321142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "170 MELLEN ST",
            "city": "HOLLISTON",
            "state": "MA",
            "postal_code": "017461137",
            "telephone_number": "508-429-6125",
            "fax_number": "508-429-9204"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "170 MELLEN ST",
            "city": "HOLLISTON",
            "state": "MA",
            "postal_code": "017461137",
            "telephone_number": "508-429-6125",
            "fax_number": "508-429-9204"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIONTEK",
        "first_name": "ELLEN",
        "middle_name": "S. BETTMANN",
        "name_prefix": "Ms.",
        "credential": "M.ED.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-01-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "203392",
            "primary": true
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "MA",
            "license": "316",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Holliston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.