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

KAMIL MATEJEWSKI MD
NPI 1548720600
Emergency Medicine in Milwaukee, WI

Active since March 23, 2019PECOS Enrolled
100/100
CMS Quality Rating
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 955-6450(414) 955-0082 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 30, 2026, Apr 10, 2023, Dec 1, 2021 and 1 more (4 updates tracked since 2019).

About Kamil Matejewski Md NPPES

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

KAMIL MATEJEWSKI MD (NPI 1548720600) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (82895-020) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548720600
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameKAMIL MATEJEWSKICredential: MD
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 955-6450 · Fax (414) 955-0082
Fax(414) 955-0082
Sole ProprietorNo
Enumeration DateMarch 23, 2019
Last NPPES UpdateJuly 30, 20264 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
NPI 1548720600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in WI · 82895-020 Licensed in TX · T1771 Licensed in IL · 036160141
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Other Identifiers 1

Medicaid1548720600WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Kamil Matejewski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
263 services249 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
124 services122 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
88 services86 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
80 services78 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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
Quality100
Improvement Activities40
Cost94.69

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.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

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 Kamil Matejewski's NPI number?

The NPI number for Kamil Matejewski is 1548720600. It was assigned to this individual provider in the NPPES registry on March 23, 2019.

Where is Kamil Matejewski located?

Kamil Matejewski practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-6450.

What is Kamil Matejewski's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Kamil Matejewski enrolled in Medicare?

Yes. Kamil Matejewski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kamil Matejewski was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.