Active NPI
Kamil Matejewski, MD
- Emergency Medicine Physician
- Milwaukee, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 82895-020
- Practice address
- 9200 W Wisconsin Ave
Milwaukee, WI 53226-3522 - Phone
- (414) 955-6450
- Fax
- (414) 955-0082
- NPI assigned
- Mar 23, 2019
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | T1771 | TX | |
| Emergency Medicine Physician | 207P00000X | 82895-020 | WI | Primary |
| Emergency Medicine Physician | 207P00000X | 036160141 | IL |
Addresses
Primary practice location
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Mailing address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 955-6450
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1548720600 | Medicaid | WI |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | kmatejewski483907@direct.sw.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- R Franklin University of Med & Sci/Chicago Medical School, 2019
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
10000 W Innovation Dr
Suite 300
Milwaukee, WI 53226-4837
Woodland Prime
400 N74 W12501 Leatherwood Court
Menomonee Falls, WI 53051-4490
Hospital & facility affiliations
- Franciscan Health Olympia & Chicago Heights
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.41 of 100
- Quality
- 86.81
- Improvement activities
- 40
- Cost
- 77.34
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036160141 | IL | MD | Emergency Medicine Physician |
| T1771 | TX | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cepamerica Illinois LLP | Emergency Medicine | Current | Accepting new patients |
| Emergency Medicine Physicians of Cook County LLC | Emergency Medicine | Current | Accepting new patients |
| Cep America - Illinois, LLP | Emergency Medicine | Current | Accepting new patients |
| Cepamerica Illinois LLP | Emergency Medicine | Current | Accepting new patients |
Locations
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696
1425 N Randall Rd
Elgin, IL 60123
Phone (224) 783-5437
20201 Crawford Ave
Olympia Flds, IL 60461
Phone (708) 503-3857
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Emergency Medicine Physician
- Elgin, IL
- NPI 1912283110
-
- Emergency Medicine Physician
- Olympia Fields, IL
- NPI 1114168929
-
- Emergency Medicine Physician
- Rockford, IL
- NPI 1851772321
-
- Emergency Medicine Physician
- Springfield, IL
- NPI 1871360297
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Olympia Fields, IL
- NPI 1588771919
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553299200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785369600000",
"number": "1548720600",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9200 W WISCONSIN AVE",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532263522",
"telephone_number": "414-955-6450",
"fax_number": "414-955-0082"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9200 W WISCONSIN AVE",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532263522",
"telephone_number": "414-955-6450",
"fax_number": "414-955-0082"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATEJEWSKI",
"first_name": "KAMIL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-03-23",
"last_updated": "2026-07-30",
"certification_date": "2026-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "TX",
"license": "T1771",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WI",
"license": "82895-020",
"primary": true
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IL",
"license": "036160141",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1548720600",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "kmatejewski483907@direct.sw.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "700 Scott and White Dr",
"city": "College Station",
"state": "TX",
"country_code": "US",
"postal_code": "778456441",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Milwaukee, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.