Individual provider Active NPI

Mark A Studley, MD

  • Diagnostic Radiology Physician
  • Mount Vernon, WA
National Provider Identifier
1023081874
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
MD00012419 Issued in WA
Practice address
1320 E Division
Mount Vernon, WA 98274-4196
Phone
(360) 424-6161
Fax
(360) 848-1167
NPI assigned
Feb 10, 2006
Sex
Male
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
Diagnostic Radiology Physician 2085R0202X MD00012419 WA Primary

Addresses

Primary practice location

1320 E Division
Mount Vernon, WA 98274-4196

Mailing address

1320 E Division St
Mount Vernon, WA 98274-4133
Phone (360) 424-6161

Other identifiers 2

IdentifierTypeStateIssuer
47767OtherWAL AND I
8113508MedicaidWA

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)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD00012419WAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wesley R Wedner PastSince Sep 1, 2006 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1139529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023081874",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1320 E DIVISION ST",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982744133",
            "telephone_number": "360-424-6161",
            "fax_number": "360-848-1167"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1320 E DIVISION",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982744196",
            "telephone_number": "360-424-6161",
            "fax_number": "360-848-1167"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STUDLEY",
        "first_name": "MARK",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD00012419",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L AND I",
            "identifier": "47767",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8113508",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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.