Individual provider Active NPI

Nathaniel Voss, LMHC

  • Counselor
  • Brookline, MA
National Provider Identifier
1669923165
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
CounselorTaxonomy code 101Y00000X
Practice address
1330 Beacon St Ste 203
Brookline, MA 02446-3202
Phone
(978) 305-5650
NPI assigned
Oct 19, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X
Counselor 101Y00000X Primary
Addiction (Substance Use Disorder) Counselor 101YA0400X
Professional Counselor 101YP2500X

Addresses

Primary practice location

1330 Beacon St Ste 203
Brookline, MA 02446-3202

Mailing address

405 Concord Ave Unit 144
Belmont, MA 02478-7807

Other practice location 1

519 Somerville Ave # 357
Somerville, MA 02143-3347
Phone (978) 350-5650

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

NPI Registry JSON

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

{
    "created_epoch": "1476835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1669923165",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "405 CONCORD AVE UNIT 144",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024787807"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1330 BEACON ST STE 203",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024463202",
            "telephone_number": "978-305-5650"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "519 Somerville Ave # 357",
            "address_purpose": "LOCATION",
            "city": "Somerville",
            "state": "MA",
            "postal_code": "021433347",
            "country_code": "US",
            "telephone_number": "978-350-5650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VOSS",
        "first_name": "NATHANIEL",
        "credential": "LMHC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-10-19",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brookline, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 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.