Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOEL MASAMI OYAMA FNP-C
NPI 1154915338
Nurse Practitioner - Family in Gresham, OR

Active since February 27, 2021PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
440 NW DIVISION ST, GRESHAM, OR 97030(503) 215-9500 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2026, Jan 14, 2026, Apr 7, 2021 and 1 more (4 updates tracked since 2021).

About Joel Masami Oyama Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOEL MASAMI OYAMA FNP-C (NPI 1154915338) is an individual family provider in Gresham, Oregon, licensed in Oregon (202101694NP-PP) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS, is affiliated with Legacy Silverton Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1154915338
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameJOEL MASAMI OYAMACredential: FNP-C
Location Address440 NW DIVISION STGresham, OR 97030-5506
Mailing Address440 Nw Division StGresham, OR 97030-5506
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateFebruary 27, 2021
Last NPPES UpdateJuly 7, 20264 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
NPI 1154915338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in OR · 202101694NP-PP
440 NW DIVISION ST, Gresham, OR 97030

Other Identifiers 1

Medicaid500790037OR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Joel Masami Oyama Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739595042
PECOS Enrollment IDI20210311001885
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services23 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Legacy Silverton Medical Center

Acute Care Hospitals · Silverton, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380029
Location342 Fairview StreetSilverton, OR 97381 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality99
Promoting Interoperability100
Improvement Activities40
Cost88.63

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
440 NW DIVISION ST
GRESHAM, OR 97030
Nurse Practitioner (Family)
440 NW DIVISION ST
GRESHAM, OR 97030
Registered Nurse (Ambulatory Care)
440 NW DIVISION ST
GRESHAM, OR 97030
Nurse Practitioner (Gerontology)
440 NW DIVISION ST
GRESHAM, OR 97030
Family Medicine
440 NW DIVISION ST
GRESHAM, OR 97030
Family Medicine
440 NW DIVISION ST
GRESHAM, OR 97030
Dietitian, Registered
440 NW DIVISION ST
GRESHAM, OR 97030
Internal Medicine
440 NW DIVISION ST
GRESHAM, OR 97030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joel Oyama's NPI number?

The NPI number for Joel Oyama is 1154915338. It was assigned to this individual provider in the NPPES registry on February 27, 2021.

Where is Joel Oyama located?

Joel Oyama practices at 440 NW Division St, Gresham, OR 97030. The listed phone number is (503) 215-9500.

What is Joel Oyama's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Joel Oyama enrolled in Medicare?

Yes. Joel Oyama is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joel Oyama accept?

Health plans from Moda Health Plan, Inc. list Joel Oyama as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joel Oyama affiliated with any hospitals?

According to CMS data, Joel Oyama is affiliated with Legacy Silverton Medical Center.

When was this NPI record last updated?

The NPPES record for Joel Oyama was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.