The Sandbox LLC

Primary specialty

Adolescent and Children Mental Health Clinic/CenterTaxonomy code 261QM0855X

Legal business name

THE SANDBOX LLC

Practice address

203 D St
South Charleston, WV 25303-3103

Phone

(304) 887-2994

NPI assigned

Mar 11, 2026

Organization subpart

No

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

Authorized official

Name

Carly Dadisman, LICSW

Title

Owner

Phone

(304) 887-3540

Specialties & licenses 1

Addresses

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Carly Erin Costello, MSW

  • Clinical Social Worker
  • South Charleston, WV
  • NPI 1396251641
  NPD
• Jessica Street, LCSW

  • Clinical Social Worker
  • Manchester, MO
  • NPI 1225792450
  NPD (past)

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

{
    "created_epoch": "1773187200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773187200000",
    "number": "1154278083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "207 D ST",
            "city": "SOUTH CHARLESTON",
            "state": "WV",
            "postal_code": "253033103",
            "telephone_number": "304-887-3540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "203 D ST",
            "city": "SOUTH CHARLESTON",
            "state": "WV",
            "postal_code": "253033103",
            "telephone_number": "304-887-2994"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THE SANDBOX LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-11",
        "last_updated": "2026-03-11",
        "certification_date": "2026-03-11",
        "status": "A",
        "authorized_official_last_name": "DADISMAN",
        "authorized_official_first_name": "CARLY",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "304-887-3540",
        "authorized_official_credential": "LICSW"
    },
    "taxonomies": [
        {
            "code": "261QM0855X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adolescent and Children Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julie Anne Testman, PHARMD, BCPS
• Stacie Thacker-Mayhorn
• Ashley Lilly Thacker, FNP-C
• John Thaxton Jr.
• The Counseling Nook
• Selina Theeke
• Daniel Bruce Thistlethwaite, MD
• Alisha Thomas
• Bobby S. Thomas
• Cameron Thomas

• Adolescent and Children Mental Health Clinic/Center in South Charleston, WV
• Providers in South Charleston, WV by specialty
• Adolescent and Children Mental Health Clinic/Center in West Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2026; 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.