KAMIL MATEJEWSKI MD
NPI 1548720600
Emergency Medicine in Milwaukee, WI
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, is affiliated with Franciscan Health Olympia & Chicago Heights, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2019).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kamil Matejewski Md 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.
Medicare Billing Reassignments
4Medicare enrollment records show Kamil Matejewski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Libertyville, IL 60048
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Olympia Fields, IL 60461
- Reassigned Medicare billing, Illinois enrollment
- 41 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Franciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILCommunity Memorial Hospital
Acute Care Hospitals · Menomonee Falls, WIFroedtert Community Hospital
Acute Care Hospitals · New Berlin, WIPhysician 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.
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.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kamil Matejewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kamil Matejewski reassigns Medicare benefits to 4 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), Cepamerica Illinois LLP (Libertyville, IL) and Emergency Medicine Physicians Of Cook County LLC (Olympia Fields, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kamil Matejewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kamil Matejewski affiliated with any hospitals?
According to CMS data, Kamil Matejewski is affiliated with Franciscan Health Olympia & Chicago Heights, Community Memorial Hospital and Froedtert Community Hospital.
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 3 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.
# Kamil Matejewski, MD · NPI 1548720600
Emergency Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since March 23, 2019.
## Identity
- **NPI:** 1548720600 (Entity type: Individual)
- **Enumerated:** March 23, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 82895-020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226-3522
- **Phone:** (414) 955-6450 · **Fax:** (414) 955-0082
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); Cepamerica Illinois LLP (NPI 1740906577, Libertyville, IL); Emergency Medicine Physicians Of Cook County LLC (NPI 1114168929, Olympia Fields, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** R Franklin University Of Med & Sci/chicago Medical School, class of 2019
## Record status
- **NPPES last updated:** July 30, 2026
- **Other identifiers:** Medicaid 1548720600 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1548720600) · Data from the CMS NPPES public registry.