NPIMap

Individual provider Active NPI

Deleah Janae Gadsby

  • Behavior Analyst
  • Nashua, NH
National Provider Identifier
1255830840
Registry record updated Dec 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Practice address
2 Brookline St
Nashua, NH 03064-1809
Phone
(785) 633-9440
NPI assigned
Feb 8, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 4, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X Primary

Addresses

Primary practice location

2 Brookline St
Nashua, NH 03064-1809

Mailing address

2 Brookline St
Nashua, NH 03064-1809
Phone (785) 633-9440

Other practice location 1

340 Granite St Fl 3
Manchester, NH 03102-4000
Phone (603) 801-4714

Other practice location 2

200 Sutton St Ste 120&142
North Andover, MA 01845-1656
Phone (774) 206-1125

Other names 1

  • Deleah Barker Former name

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
Northeast Behavioral Associates Inc. Past Accepting new patients
Northeast Family Services of New Hampshire, Inc. Past Accepting new patients
Northeast Behavioral Associates Past Accepting new patients

Organizations & group practices 3

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": "1518048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1255830840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 BROOKLINE ST",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030641809",
            "telephone_number": "785-633-9440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 BROOKLINE ST",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030641809",
            "telephone_number": "785-633-9440"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "340 Granite St Fl 3",
            "address_purpose": "LOCATION",
            "city": "Manchester",
            "state": "NH",
            "postal_code": "031024000",
            "country_code": "US",
            "telephone_number": "603-801-4714",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Sutton St Ste 120&142",
            "address_purpose": "LOCATION",
            "city": "North Andover",
            "state": "MA",
            "postal_code": "018451656",
            "country_code": "US",
            "telephone_number": "774-206-1125",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GADSBY",
        "first_name": "DELEAH",
        "middle_name": "JANAE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-02-08",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "DELEAH",
            "last_name": "BARKER",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Nashua, NH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 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.