Alexis Dabbs Mason, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

201360003 Issued in OR

Practice address

707 SW Washington St Ste 700
Portland, OR 97205-3523

Phone

(503) 299-9906

NPI assigned

Nov 1, 2011

Last updated

Apr 10, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in OR, WA2 enrollments

Enrollment records 2

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

PeacehealthGroup PAC ID 5890689293, 188 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Peacehealth St John Medical Center Hospital, Longview, WA, CCN 500041

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Peacehealth

  dba St. John Medical Center - PeaceHealth Medical Group

  • Multi-Specialty Clinic/Center
  • Longview, WA
  • NPI 1720056187
  Medicare reassignment Care Compare group
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Oregon Anesthesiology Group PC

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1477527786
  Medicare reassignment NPD
• Anesthesia Associates Northwest LLC

  • Anesthesiology Physician
  • Milwaukie, OR
  • NPI 1548281751
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD
• Gulf-to-Bay Anesthesiology Associates LLC

  • Anesthesiology Physician
  • Tampa, FL
  • NPI 1720039746

  Nurse Anesthetist, Certified Registered

  NPD (past)

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

• Peacehealth

  dba St. John Medical Center

  • General Acute Care Hospital
  • Longview, WA
  • NPI 1073510277
  Care Compare affiliation

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

{
    "created_epoch": "1320105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1558647727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14057 NW GARGANY ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972291176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 SW WASHINGTON ST STE 700",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972053523",
            "telephone_number": "503-299-9906"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1615 Delaware St",
            "address_purpose": "LOCATION",
            "city": "Longview",
            "state": "WA",
            "postal_code": "986322367",
            "country_code": "US",
            "telephone_number": "360-414-2000",
            "fax_number": "360-414-7638",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "ALEXIS",
        "middle_name": "DABBS",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-11-01",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "OR",
            "license": "201360003",
            "primary": true
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WA",
            "license": "ARNP.AP.70098732-CRN",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Aaron Masini, PHARM.D.
• Ashley J Masog, RN
• David Damian Masolak, MD
• Mason Moore Wellness LLC
• Marlee Mason-Maready, MD
• Amanda Mason, SLP-CFY
• Amelia Mason, RN
• Cintia Mason, QMHP
• Danielle Marie Mason
• Jennette Kathleen Mason, PHARMD

• Certified Registered Nurse Anesthetist in Portland, OR
• Providers in Portland, OR by specialty
• Certified Registered Nurse Anesthetist in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.