Individual provider Active NPI

Ariana E Maileoi, FNP

  • Family Nurse Practitioner
  • Portland, OR
National Provider Identifier
1891402269
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
APRNNP10004723 Issued in OR
Practice address
4224 NE Halsey St Ste 300
Portland, OR 97213-1568
Phone
(503) 235-5509
Fax
(503) 235-5335
NPI assigned
Nov 3, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X AP61368513 WA
Family Nurse Practitioner 363LF0000X APRNNP10004723 OR Primary

Addresses

Primary practice location

4224 NE Halsey St Ste 300
Portland, OR 97213-1568

Mailing address

PO Box 3068
Portland, OR 97208-3068
Phone (503) 229-7976

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA2 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

Enrollment IDStateProvider typePAC IDDetails
I20230509002116 OR Practitioner - Nurse Practitioner 3870959273 Reassigns benefits to 1 organization
I20230616000118 WA Practitioner - Nurse Practitioner 3870959273 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northwest Renal Clinic IncGroup PAC ID 8628065836, 39 clinicians

Practice addresses (Care Compare)

4224 NE Halsey St
Suite 300
Portland, OR 97213-1568
Phone (503) 235-5509

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
APRNNP10004723ORMDFamily Nurse Practitioner
AP61368513WAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Renal Clinic, Inc. CurrentSince Sep 15, 2023 Accepting new patients
Northwest Renal Clinic, Inc. CurrentSince Sep 15, 2023 Accepting new patients
Northwest Renal Clinic, Inc. Current Accepting new patients

Locations

1130 NW 22nd Ave
Ste 640
Portland, OR 97210
Phone (503) 229-7976

4224 NE Halsey St
Ste 300
Portland, OR 97213
Phone (503) 235-5509

Interoperability endpoints

  • Direct secure messaging: amaileoi57354@direct.acumenmd.com

Organizations & group practices 4

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": "1667433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1891402269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3068",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083068",
            "telephone_number": "503-229-7976",
            "fax_number": "503-274-4867"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4224 NE HALSEY ST STE 300",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972131568",
            "telephone_number": "503-235-5509",
            "fax_number": "503-235-5335"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAILEOI",
        "first_name": "ARIANA",
        "middle_name": "E",
        "name_prefix": "Mrs.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-11-03",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP61368513",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "APRNNP10004723",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.