Individual provider Active NPI

Amber Rae Oyama, FNP-C

  • Family Nurse Practitioner
  • Gresham, OR
National Provider Identifier
1558975151
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
202006124NP-PP Issued in OR
Practice address
440 NW Division St
Gresham, OR 97030-5506
Phone
(503) 215-9500
Fax
(503) 215-9525
NPI assigned
Sep 2, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 18, 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 202006124NP-PP OR Primary
Primary Care Clinic/Center 261QP2300X 202006124NP-PP OR

Addresses

Primary practice location

440 NW Division St
Gresham, OR 97030-5506

Mailing address

440 NW Division St
Gresham, OR 97030-5506
Phone (503) 215-9500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
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 1

Enrollment IDStateProvider typePAC IDDetails
I20210315002278 OR Practitioner - Nurse Practitioner 7012335607 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Providence Health and Services OregonGroup PAC ID 0648183608, 1,423 clinicians

Practice addresses (Care Compare)

440 NW Division St
Gresham, OR 97030-5506
Phone (503) 215-9500

Hospital & facility affiliations

  • Providence Portland Medical Center Hospital, Portland, OR, CCN 380061
  • Legacy Mount Hood Medical Center Hospital, Gresham, OR, CCN 380025
  • Providence Willamette Falls Medical Center Hospital, Oregon City, OR, CCN 380038

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services Oregon CurrentSince Aug 25, 2025 Accepting new patients
Legacy Clinics LLC CurrentSince Aug 14, 2023 Accepting new patients
Providence Health & Services Oregon Current Accepting new patients
Providence Health & Services - Oregon CurrentSince Aug 25, 2025 Accepting new patients
Providence Health & Services - Oregon Past Accepting new patients

Locations

440 NW Division St
Gresham, OR 97030
Phone (503) 215-9500

1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134

1919 NW Lovejoy St
Portland, OR 97209
Phone (503) 415-5600

5050 NE Hoyt St
Ste 240
Portland, OR 97213
Phone (503) 215-6480

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 5

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": "1599004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1558975151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "440 NW DIVISION ST",
            "city": "GRESHAM",
            "state": "OR",
            "postal_code": "970305506",
            "telephone_number": "503-215-9500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "440 NW DIVISION ST",
            "city": "GRESHAM",
            "state": "OR",
            "postal_code": "970305506",
            "telephone_number": "503-215-9500",
            "fax_number": "503-215-9525"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OYAMA",
        "first_name": "AMBER",
        "middle_name": "RAE",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-09-02",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "202006124NP-PP",
            "primary": true
        },
        {
            "code": "261QP2300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Primary Care",
            "state": "OR",
            "license": "202006124NP-PP",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gresham, OR

Sources for this page

Verify at the official NPI Registry.