Individual provider Active NPI

Nicholai Leon Mathewson, CRNA, MSN

  • Certified Registered Nurse Anesthetist
  • Portland, OR
National Provider Identifier
1487291787
Registry record updated Dec 5, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95141062 Issued in CA
Practice address
1015 NW 22ND Ave
Portland, OR 97210-3025
Phone
(541) 601-0927
NPI assigned
Dec 5, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 5, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 95141062 CA Primary

Addresses

Primary practice location

1015 NW 22ND Ave
Portland, OR 97210-3025

Mailing address

412 Verona Ave
Danville, CA 94526-2412
Phone (541) 601-0927

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, CA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200319001480 OR Practitioner - Certified Registered Nurse Anesthetist (Crna) 8426486770 Reassigns benefits to 3 organizations
I20200827001931 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 8426486770 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospitalist Medicine Physicians of Washington - TCSGroup PAC ID 6800240102, 197 clinicians

Practice addresses (Care Compare)

4805 NE Glisan St
Portland, OR 97213-2933
Phone (503) 215-1111

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse, Master of Science - Nursing

State licenses

LicenseStateTypeSpecialty
95001259CAMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Parish Anesthesia of California, a Professional Medical Corporation Nurse Anesthetist, Certified Registered CurrentSince May 14, 2020 Accepting new patients
Columbia Anesthesia Group P S CurrentSince Feb 28, 2020 Accepting new patients
Siskiyou Hospital, Inc. CurrentSince Jun 27, 2024 Accepting new patients
Hospitalist Medicine Physicians of Washington - TCS Nurse Anesthetist, Certified Registered CurrentSince May 3, 2025 Accepting new patients
Anesthesia Associates Northwest LLC CurrentSince Sep 1, 2021 Accepting new patients

Locations

914 Pine St
Mount Shasta, CA 96067
Phone (503) 926-6111

444 Bruce St
Yreka, CA 96097
Phone (530) 841-6256

1003 N Providence Dr
Ste 315
Newberg, OR 97132
Phone (503) 624-5630

9205 SW Barnes Rd
Portland, OR 97225
Phone (503) 216-1234

120 NW 14th Ave
Ste 200
Portland, OR 97209
Phone (503) 771-1883

4805 NE Glisan St
Portland, OR 97213
Phone (503) 215-1111

1015 NW 22nd Ave
Portland, OR 97210
Phone (503) 413-7582

7300 SW Childs Rd
Ste A
Tigard, OR 97224
Phone (360) 828-5396

505 NE 87th Ave
Ste 210
Vancouver, WA 98664
Phone (360) 828-5396

Organizations & group practices 5

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1575504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1575504000000",
    "number": "1487291787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "412 VERONA AVE",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945262412",
            "telephone_number": "541-601-0927"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1015 NW 22ND AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972103025",
            "telephone_number": "541-601-0927"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEWSON",
        "first_name": "NICHOLAI",
        "middle_name": "LEON",
        "credential": "CRNA, MSN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-12-05",
        "last_updated": "2019-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95141062",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2019; 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.