Katharine M Mason-Ellis, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA202574 Issued in OR

Practice address

10151 SE Sunnyside Rd Ste 100
Clackamas, OR 97015-5705

Phone

(503) 659-0880

Fax

(503) 513-7425

NPI assigned

Jul 30, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Katharine M Mason Former name

Medicare fee-for-service enrollment

Enrolled in WA, OR2 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

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Portland Adventist Medical CenterGroup PAC ID 3274908819, 273 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Portland Hospital, Portland, OR, CCN 380060
• Ohsu Hospital and Clinics Hospital, Portland, OR, CCN 380009

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmason128982@direct.ohsu.edu

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.

• Portland Adventist Medical Center

  • Family Medicine Physician
  • Portland, OR
  • NPI 1750091021
  Medicare reassignment Care Compare group NPD
• Peacehealth

  • Multi-Specialty Clinic/Center
  • Longview, WA
  • NPI 1720056187
  Medicare reassignment NPD
• Tuality Medical Group LLC

  • Internal Medicine Physician
  • Hillsboro, OR
  • NPI 1073929782
  Medicare reassignment
• Tuality Healthcare

  • General Acute Care Hospital
  • Hillsboro, OR
  • NPI 1336228659
  NPD
• Tuality Medical Group LLC

  • Neurology Physician
  • Hillsboro, OR
  • NPI 1639690704
  NPD
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003991845
  NPD (past)

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

• Oregon Health & Science University

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1609824010
  Care Compare affiliation
• Portland Adventist Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1801887658
  Care Compare affiliation

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

{
    "created_epoch": "1501372800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745798400000",
    "number": "1174047393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10151 SE SUNNYSIDE RD STE 100",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970155705",
            "telephone_number": "503-659-0880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10151 SE SUNNYSIDE RD STE 100",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970155705",
            "telephone_number": "503-659-0880",
            "fax_number": "503-513-7425"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON-ELLIS",
        "first_name": "KATHARINE",
        "middle_name": "M",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-07-30",
        "last_updated": "2025-04-28",
        "certification_date": "2025-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA60779453",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "OR",
            "license": "PA202574",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHARINE",
            "last_name": "MASON",
            "middle_name": "M",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Kellen Taverniti Martyn, CRNA
• Nada Marvin, RPH
• Whitney Headlee Marx, PA-C
• Mary T. Coleman, DC PC
• Julie Yvonne Maslen-Duvall, MPT
• Jocelyn Mason, PHARMD
• Lawrence Elden Matthews, CRNA, MS
• Mattress World Northwest
• Jennifer Mattson, M.D.
• Otto Meinardus Maurer, MD

• Physician Assistant in Clackamas, OR
• Providers in Clackamas, OR by specialty
• Physician Assistant in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2025; 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.