OLIVIA MCKEEVER MATWIEJCZYK
NPI 1871171637
Physician Assistant in Oshkosh, WI

Q: What is Olivia Matwiejczyk's NPI number?

The NPI number for Olivia Matwiejczyk is 1871171637. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Q: What is Olivia Matwiejczyk's specialty?

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

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment

855 N WESTHAVEN DR, OSHKOSH, WI 54904(920) 303-8700 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 14, 2026, Mar 31, 2021 (2 updates tracked since 2021).

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About Olivia Mckeever Matwiejczyk NPPES

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

OLIVIA MCKEEVER MATWIEJCZYK (NPI 1871171637) is an individual physician assistant in Oshkosh, Wisconsin, licensed in Wisconsin (5399-23) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Appleton, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1871171637

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameOLIVIA MCKEEVER MATWIEJCZYK

Location Address855 N WESTHAVEN DROshkosh, WI 54904-7668

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(920) 303-8700

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 31, 2021

Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1871171637 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 WI · 5399-23

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.

855 N WESTHAVEN DR, Oshkosh, WI 54904

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Secondary Practice Location 1

Location 13329 Express CtAppleton, WI 54915-3278 · Phone (920) 733-5900

Other Identifiers 1

Medicaid100416942WI

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

Olivia Mckeever Matwiejczyk 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 ID8426466939

PECOS Enrollment IDI20210422001170

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 3

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

59 services59 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.

46 services38 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.

19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54904 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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.

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.

JACQUELINE ANN OTS PENDING

Nurse Practitioner