AMBER RAE OYAMA FNP-C
NPI 1558975151
Nurse Practitioner - Family in Gresham, OR

Active since September 02, 2020PECOS EnrolledAccepts Medicare Assignment
86.03/100
CMS Quality Rating
440 NW DIVISION ST, GRESHAM, OR 97030(503) 215-9500(503) 215-9525 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 18, 2025, Aug 14, 2023, Sep 2, 2020 (3 updates tracked since 2020).

About Amber Rae Oyama Fnp-c NPPES

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

AMBER RAE OYAMA FNP-C (NPI 1558975151) is an individual family provider in Gresham, Oregon, licensed in Oregon (202006124NP-PP) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, is affiliated with Legacy Mount Hood Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1558975151
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameAMBER RAE OYAMACredential: FNP-C
Location Address440 NW DIVISION STGresham, OR 97030-5506
Mailing Address440 Nw Division StGresham, OR 97030-5506 · (503) 215-9500
Fax(503) 215-9525
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 2, 2020
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
NPI 1558975151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in OR · 202006124NP-PP
Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X · License 202006124NP-PP (OR)
440 NW DIVISION ST, Gresham, OR 97030

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

Amber Rae 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 ID7012335607
PECOS Enrollment IDI20210315002278
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 5

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
98 services91 patients
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.
40 services38 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
26 services22 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services23 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Mount Hood Medical Center

Acute Care Hospitals · Gresham, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380025
Location24800 SE Stark StreetGresham, OR 97030 · Multnomah County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah 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.

86.03/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.8
Promoting Interoperability99
Improvement Activities40
Cost74.15

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
Nurse Practitioner (Family)
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

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 Amber Oyama's NPI number?

The NPI number for Amber Oyama is 1558975151. It was assigned to this individual provider in the NPPES registry on September 2, 2020.

Where is Amber Oyama located?

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

What is Amber Oyama's specialty?

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

Is Amber Oyama enrolled in Medicare?

Yes. Amber 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 Amber Oyama accept?

Health plans from Providence Health Plan list Amber 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 Amber Oyama affiliated with any hospitals?

According to CMS data, Amber Oyama is affiliated with Legacy Mount Hood Medical Center and Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Amber Oyama was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.