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OIVIND FREDERICK WESTERENG PA-C
NPI 1295044394
Physician Assistant in Missoula, MT

Active since October 07, 2010PECOS EnrolledAccepts Medicare Assignment
85.43/100
CMS Quality Rating
3624 BROOKS ST STE 101, MISSOULA, MT 59801(888) 227-3312 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2024, Apr 29, 2021, Oct 31, 2018 (3 updates tracked since 2018).

About Oivind Frederick Westereng Pa-c NPPES

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

OIVIND FREDERICK WESTERENG PA-C (NPI 1295044394) is an individual physician assistant in Missoula, Montana, licensed in Montana (628) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and maintains a secondary practice location in Missoula.

NPPES Registry Identity

NPI1295044394
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameOIVIND FREDERICK WESTERENGCredential: PA-C
Location Address3624 BROOKS ST STE 101Missoula, MT 59801-7338
Mailing AddressPo Box 2928Portland, OR 97208-2928 · (424) 207-5155
Phone(888) 227-3312
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateOctober 7, 2010
Last NPPES UpdateApril 22, 20243 updates tracked since enumeration
NPPES CertifiedApril 22, 2024
✔ NPI 1295044394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MT · 628
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
3624 BROOKS ST STE 101, Missoula, MT 59801
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Secondary Practice Location 1

Location 13075 N Reserve St Ste QMissoula, MT 59808-1390 · Phone (406) 327-1750 · Fax (406) 327-1960

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.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

Oivind Frederick Westereng Pa-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 ID4587836234
PECOS Enrollment IDI20111001000001, I20240522002509, I20240610003605
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 4

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.
134 services129 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
94 services94 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
23 services23 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270014
Location500 W BroadwayMissoula, MT 59806 · Missoula County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59801 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
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.

85.43/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.98
Promoting Interoperability100
Improvement Activities40
Cost65.45

Other Providers at the Same Location NPPES 4

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

JENNIFER LARSON ARNP
Nurse Practitioner
3624 BROOKS ST STE 101
MISSOULA, MT 59801
Missoula County (888) 227-3312
KELLY WHETSTONE WILLIAMS ARNP
Nurse Practitioner (Family)
3624 BROOKS ST STE 101
MISSOULA, MT 59801
Missoula County (888) 227-3312
HAYLEY MEYER
Physician Assistant
3624 BROOKS ST STE 101
MISSOULA, MT 59801
Missoula County (888) 227-3312
ELIZABETH ANNE FRANCE PA-C
Physician Assistant
3624 BROOKS ST STE 101
MISSOULA, MT 59801
Missoula County (888) 227-3312

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 Oivind Westereng's NPI number?

The NPI number for Oivind Westereng is 1295044394. It was assigned to this individual provider in the NPPES registry on October 7, 2010.

Where is Oivind Westereng located?

Oivind Westereng practices at 3624 Brooks St Ste 101, Missoula, MT 59801. The listed phone number is (888) 227-3312.

What is Oivind Westereng's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Oivind Westereng enrolled in Medicare?

Yes. Oivind Westereng 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 Oivind Westereng accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Oivind Westereng 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 Oivind Westereng affiliated with any hospitals?

According to CMS data, Oivind Westereng is affiliated with St. Patrick Hospital.

When was this NPI record last updated?

The NPPES record for Oivind Westereng was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.