All Seasons Therapy PLLC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Legal business name

ALL SEASONS THERAPY PLLC

Practice address

5005 200TH St SW Ste a
Lynnwood, WA 98036-6679

Phone

(360) 317-6011

NPI assigned

Oct 17, 2025

Organization subpart

No

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

Authorized official

Name

Mr. David Greiffenberg Woldtvedt, LICSW, SUDPNPI 1538721717

Title

Owner/ Founder

Phone

(425) 341-3448

Specialties & licenses 1

Addresses

Locations

Practitioners 1

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

• David Greiffenberg Woldtvedt, LICSW, SUDP

  • Clinical Social Worker
  • Edmonds, WA
  • NPI 1538721717
  NPD Authorized official

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

{
    "created_epoch": "1760659200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760659200000",
    "number": "1891662623",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8705 238TH ST SW UNIT G",
            "city": "EDMONDS",
            "state": "WA",
            "postal_code": "980268959",
            "telephone_number": "425-341-3448"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5005 200TH ST SW STE A",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980366679",
            "telephone_number": "360-317-6011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALL SEASONS THERAPY PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-17",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A",
        "authorized_official_last_name": "WOLDTVEDT",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "GREIFFENBERG",
        "authorized_official_title_or_position": "OWNER/ FOUNDER",
        "authorized_official_telephone_number": "425-341-3448",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "LICSW, SUDP"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Social Worker in Lynnwood, WA
• Providers in Lynnwood, WA by specialty
• Clinical Social Worker in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 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.