Abigail Stiffler, MSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

SWIA.SC.70144555 Issued in WA

Practice address

17018 15TH Ave NE
Shoreline, WA 98155-5137

Phone

(206) 362-7282

NPI assigned

Jun 18, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Atlantic Street Center

  • Community/Behavioral Health Agency
  • Seattle, WA
  • NPI 1447551221
  NPD (past)

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

{
    "created_epoch": "1750204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1891682373",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17018 15TH AVE NE",
            "city": "SHORELINE",
            "state": "WA",
            "postal_code": "981555137",
            "telephone_number": "206-362-7282"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17018 15TH AVE NE",
            "city": "SHORELINE",
            "state": "WA",
            "postal_code": "981555137",
            "telephone_number": "206-362-7282"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STIFFLER",
        "first_name": "ABIGAIL",
        "credential": "MSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-18",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WA",
            "license": "SWIA.SC.70144555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Britton Stewart, MS, PHD CANDIDATE
• Ericka Stewart
• Kurtis Alan Stewart, MD
• Sharon Stewart, OTR/L
• Kathleen Steyaert, P.T.
• Marina C Stoermer, MOT
• K H Storer, D.D.S., M.A.G.D.
• Roger A. Strand, CRNA
• Amy Strickland
• Daniel Stroud Jr., M.D.

• Social Worker in Shoreline, WA
• Providers in Shoreline, WA by specialty
• Social Worker in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 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.