Katherine Amara Ouzounian, APRN, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

201604379NP-PP Issued in OR

Practice address

1220 Main St Ste 400
Vancouver, WA 98660-2963

Phone

(866) 849-0692

Fax

(888) 973-8821

NPI assigned

Mar 21, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 10

Addresses

Medicare fee-for-service enrollment

Enrolled in OR, WA, WY, UT, GA5 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 5

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Clallam County Public Hospital District No 1Group PAC ID 1557256468, shared by 5 NPIs, 33 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kouzounian779117@direct.multicare.org

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.

• Devoted Medical Group Professional Corporation

  • Primary Care Clinic/Center
  • Pembroke Pines, FL
  • NPI 1245838168

  OR, WA

  Medicare reassignment NPD
• Signify Health Medical Associates, PLLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1750845863

  GA, Nurse Practitioner, OR, WA

  Medicare reassignment NPD
• Signify Health, LLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1689158487

  Nurse Practitioner, UT, WY

  Medicare reassignment NPD
• Columbia Lutheran Charities

  • Community Based Hospice Care Agency
  • Astoria, OR
  • NPI 1023038858
  NPD (past)
• Columbia Lutheran Charities

  • Critical Access Hospital
  • Astoria, OR
  • NPI 1932814704
  NPD (past)

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

{
    "created_epoch": "1395360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1699192138",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 211699",
            "city": "EAGAN",
            "state": "MN",
            "postal_code": "551213699",
            "telephone_number": "866-849-0692",
            "fax_number": "888-973-8821"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1220 MAIN ST STE 400",
            "city": "VANCOUVER",
            "state": "WA",
            "postal_code": "986602963",
            "telephone_number": "866-849-0692",
            "fax_number": "888-973-8821"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OUZOUNIAN",
        "first_name": "KATHERINE",
        "middle_name": "AMARA",
        "credential": "APRN, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-03-21",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "1216275",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NM",
            "license": "87322",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AL",
            "license": "1-206313",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "HI",
            "license": "APRN-5529",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CO",
            "license": "C-APN.0105551-C-NP",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "201604379NP-PP",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP60942033",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "UT",
            "license": "12609136-4405",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "331881",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95040526",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Greg Brian Otto, D.M.D.
• Nicole Marie Ouattara, LMP
• Michelle Lynn Oury, M.S.
• Renee C Outlaw, CCC-SLP
• Carrie Ouverson
• Susan D Overand, LMP
• Ariel Overton, AAC
• Kimberly May Overton, MD
• Owen Combe DMD PLLC
• Catherine O Owen, ARNP

• Family Nurse Practitioner in Vancouver, WA
• Providers in Vancouver, WA by specialty
• Family Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; 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.