Streamside Therapy Services LLC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Legal business name

STREAMSIDE THERAPY SERVICES LLC

Practice address

1 Washington St
Dover, NH 03820-3848

Phone

(207) 804-3456

NPI assigned

Oct 21, 2025

Organization subpart

No

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

Authorized official

Name

Mr. Elias Edward Koester, LICSWNPI 1154732642

Title

Owner/Therapist

Phone

(207) 804-3456

Specialties & licenses 1

Addresses

Practitioners 1

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

• Elias Koester, LICSW

  • Clinical Social Worker
  • Dover, NH
  • NPI 1154732642
  NPD (past) Authorized official

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

{
    "created_epoch": "1761004800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761004800000",
    "number": "1386511756",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "84 W BROADWAY STE 200",
            "city": "DERRY",
            "state": "NH",
            "postal_code": "030382323",
            "telephone_number": "207-804-3456"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 WASHINGTON ST",
            "city": "DOVER",
            "state": "NH",
            "postal_code": "038203848",
            "telephone_number": "207-804-3456"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STREAMSIDE THERAPY SERVICES LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-21",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A",
        "authorized_official_last_name": "KOESTER",
        "authorized_official_first_name": "ELIAS",
        "authorized_official_middle_name": "EDWARD",
        "authorized_official_title_or_position": "OWNER/THERAPIST",
        "authorized_official_telephone_number": "207-804-3456",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "LICSW"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sharissa Stout
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• Strafford County Community Action Committee, Inc.
• Strafford Medical Associates
• Suzanne Strange, M.ED.
• Ivan Stukalau, MD
• Kathryn Lillian Sturdevant
• Ghanashyam Subedi
• Ishwar Subedi
• Dorothy A Sullivan, NP

• Clinical Social Worker in Dover, NH
• Providers in Dover, NH by specialty
• Clinical Social Worker in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.