August Fenway Duvall, DTP

Primary specialty

Physical TherapistTaxonomy code 225100000X

Practice address

1815 N 45TH St Ste 202
Seattle, WA 98103-6856

Phone

(206) 752-6837

Fax

(206) 701-3398

NPI assigned

Aug 3, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Gus Duvall Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1785715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1124941521",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 HIGHRIDGE LN",
            "city": "SANDWICH",
            "state": "MA",
            "postal_code": "025632222",
            "telephone_number": "774-269-4909"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1815 N 45TH ST STE 202",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981036856",
            "telephone_number": "206-752-6837",
            "fax_number": "206-701-3398"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUVALL",
        "first_name": "AUGUST",
        "middle_name": "FENWAY",
        "credential": "DTP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-03",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "WA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GUS",
            "last_name": "DUVALL",
            "credential": "PT, DPT",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Adam Duttry, MSW, LSWAIC
• Jessica Duty, LMFT
• Jack M Dutzar, MD
• Cherie J. Duval-White, OT
• Addison Maximus Duvall
• Brittany Duvall, ARNP
• Peyton Duvall
• Cassius Knole Duvani
• Julie Ann Duyff, RRT
• Nkeiruka C Duze, MD

• Physical Therapist in Seattle, WA
• Providers in Seattle, WA by specialty
• Physical Therapist in Washington

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