Individual provider Active NPI

Cathy Kinyoun Webb, MD

  • Pediatrics Physician
  • Mount Vernon, WA
National Provider Identifier
1275597312
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
MD00045215 Issued in WA
Practice address
1400 E Kincaid St
Mount Vernon, WA 98274-4127
Phone
(360) 428-2500
Fax
(360) 428-6485
NPI assigned
Apr 14, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X MD00045215 WA Primary

Addresses

Primary practice location

1400 E Kincaid St
Mount Vernon, WA 98274-4127

Mailing address

1400 E Kincaid St
Mount Vernon, WA 98274-4127
Phone (360) 428-2500

Other identifiers 1

IdentifierTypeStateIssuer
8858674MedicaidWA

Other names 1

  • Cathy Lynn Kinyoun Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Interoperability endpoints

  • Direct secure messaging: cathy.webb@nooksack.directbygreenway.com

NPI Registry JSON

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275597312",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 E KINCAID ST",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982744127",
            "telephone_number": "360-428-2500",
            "fax_number": "360-428-6485"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 E KINCAID ST",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982744127",
            "telephone_number": "360-428-2500",
            "fax_number": "360-428-6485"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEBB",
        "first_name": "CATHY",
        "middle_name": "KINYOUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WA",
            "license": "MD00045215",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8858674",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CATHY",
            "last_name": "KINYOUN",
            "middle_name": "LYNN",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Mount Vernon, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.