Cathy Duong, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA61655802 Issued in WA

Practice address

1221 Madison St Ste 1020
Seattle, WA 98104-1380

Phone

(206) 215-2658

Fax

(206) 991-2363

NPI assigned

Oct 25, 2023

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OR, WA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Duke University School of Medicine, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Swedish Medical Center Hospital, Seattle, WA, CCN 500027

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: cduong3922721@wm.providencedirect.org

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.

• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment Care Compare group
• PDX Allergy LLC

  • Allergy & Immunology Physician
  • Clackamas, OR
  • NPI 1447874367
  Medicare reassignment
• Swedish Health Services

  • Surgery Physician
  • Seattle, WA
  • NPI 1053368571
  NPD (past)
• Aaim Care LLC

  • Multi-Specialty Clinic/Center
  • Portland, OR
  • NPI 1184804064
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation

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

{
    "created_epoch": "1698192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1548032311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 MADISON ST STE 1020",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981041380",
            "telephone_number": "206-215-2658",
            "fax_number": "206-991-2363"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUONG",
        "first_name": "CATHY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-10-25",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA61655802",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2339271",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ryleigh Maye Dunster
• Duo Wave Wellness PLLC
• Otis Duong-Huynh
• Arianne Duong
• Brenda Duong
• Christy Hong Duong, PHARM.D.
• Dieuthao V Duong, PHARMD
• Eric Duc-Loc Duong
• Honghue T. Duong, PA
• Janice Kieu Tien Duong, D.M.D., M.S.D.

• Physician Assistant in Seattle, WA
• Providers in Seattle, WA by specialty
• Physician Assistant in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.