Joel Masami Oyama, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

202101694NP-PP Issued in OR

Practice address

440 NW Division St
Gresham, OR 97030-5506

Phone

(503) 215-9500

NPI assigned

Feb 27, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Nurse Practitioner

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Legacy Clinics LLCGroup PAC ID 0244144004, 714 clinicians

Silverton HealthGroup PAC ID 8921901877, 147 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Legacy Silverton Medical Center Hospital, Silverton, OR, CCN 380029

Merit-based Incentive Payment System (MIPS)

Final score

94.62 of 100Reported as apm

Quality

77.21

Promoting interoperability

99.06

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

95.41 of 100Reported as group

Quality

88.83

Promoting interoperability

100

Improvement activities

40

Cost

82.4

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: joyama206865@direct.lhs.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.

• Legacy Clinics LLC

  • Clinic/Center
  • Portland, OR
  • NPI 1902827272
  Medicare reassignment Care Compare group NPD
• Silverton Health

  • General Acute Care Hospital
  • Silverton, OR
  • NPI 1669424354
  Medicare reassignment Care Compare group NPD
• Legacy Mount Hood Medical Center

  • Clinic/Center
  • Gresham, OR
  • NPI 1386919132
  Medicare reassignment NPD
• Legacy Clinics LLC

  • Rural Health Clinic/Center
  • Sandy, OR
  • NPI 1730472192
  NPD
• Legacy Mount Hood Medical Center

  • General Acute Care Hospital
  • Gresham, OR
  • NPI 1255354700
  NPD
• Silverton Health

  • Rural Health Clinic/Center
  • Mount Angel, OR
  • NPI 1528171543
  NPD
• Silverton Health

  • Rural Health Clinic/Center
  • Silverton, OR
  • NPI 1548373137
  NPD
• Silverton Health

  • Rural Health Clinic/Center
  • Woodburn, OR
  • NPI 1679686463
  NPD
• Silverton Health

  • Clinic/Center
  • Molalla, OR
  • NPI 1861116055
  NPD

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

• Silverton Health

  • General Acute Care Hospital
  • Silverton, OR
  • NPI 1669424354
  Care Compare affiliation

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

{
    "created_epoch": "1614384000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1154915338",
    "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"
        },
        {
            "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"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OYAMA",
        "first_name": "JOEL",
        "middle_name": "MASAMI",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-02-27",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OR",
            "license": "202101694NP-PP",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500790037",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Laura Rebecca Ousley, MS
• Samantha Overton
• Rachel Owens
• Michael Oxentenko II
• Amber Rae Oyama, FNP-C
• Mona Marie Ozaki, PH.D.
• Clare Paas, M.S. CCC-SLP
• Anne Bordelon Pacheco, HEARING AID SPECIALI
• Pacific Eye Group, PC
• Pacific Psychology Group

• Family Nurse Practitioner in Gresham, OR
• Providers in Gresham, OR by specialty
• Family Nurse Practitioner in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.