Active NPI
Erich Nicholai Mussak
- Diagnostic Radiology Physician
- Milwaukee, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 57118
- Practice address
- 9200 W Wisconsin Ave
Department of Radiology
Milwaukee, WI 53226-3522 - Phone
- (414) 805-3750
- Fax
- (414) 259-9290
- NPI assigned
- Apr 15, 2008
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 036-126655 | IL | |
| Diagnostic Radiology Physician | 2085R0202X | 2025-03105 | NC | |
| Diagnostic Radiology Physician | 2085R0202X | 57118 | WI | Primary |
| Diagnostic Radiology Physician | 2085R0202X | 79896 | AZ |
Addresses
Primary practice location
9200 W Wisconsin Ave
Department of Radiology
Milwaukee, WI 53226-3522
Mailing address
29373 Network PL
Chicago, IL 60673-1293
Phone (847) 390-5900
Other practice location 1
1814 Westchester Dr Ste 100
High Point, NC 27262-7369
Phone (336) 802-2397
Other practice location 2
601 N Elm St
High Point, NC 27262-4331
Phone (336) 878-6000
Other practice location 3
45 Tower Ct Ste C
Gurnee, IL 60031-3376
Phone (847) 623-3200
Other practice location 4
13677 W McDowell Rd
Goodyear, AZ 85395-2635
Phone (623) 882-1500
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1639343148 | Medicaid | WI |
Electronic endpoints 4
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | emussak86828@direct.myadvocateaurora.org | Direct | |
| Direct Messaging Address | emussak86828@direct.myadvocateaurora.org | Direct | |
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI, IL, NC, AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- Other, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1005 Spring City Dr
Waukesha, WI 53186-5934
Phone (262) 371-4040
1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056
1032 E Sumner St
Hartford, WI 53027-1608
Phone (262) 673-2300
10400 75TH St
Kenosha, WI 53142-7884
Phone (262) 948-7000
1136 Westowne Dr
Neenah, WI 54956-2175
Phone (920) 456-2030
120 Chapman Farms Blvd
Mukwonago, WI 53149-9337
Phone (262) 363-6160
12500 Aurora Dr
Pleasant Prairie, WI 53158-1227
Phone (262) 857-5000
13250 Washington Ave
Mount Pleasant, WI 53177-1516
Phone (262) 884-4000
13677 W McDowell Rd
West Valley Hospital
Goodyear, AZ 85338-2635
Phone (602) 674-6506
146 E Geneva SQ
Lake Geneva, WI 53147-9694
Phone (262) 249-5000
1881 Chicago St
De Pere, WI 54115-3770
Phone (920) 403-8000
1910 Alabama St
Sturgeon Bay, WI 54235-3532
Phone (920) 746-7200
2000 E Layton Ave
Suite 130
St Francis, WI 53235-6067
Phone (414) 747-8856
201 E Morrissey Dr
Elkhorn, WI 53121-4395
Phone (262) 723-3100
210 Wisconsin American Dr
Fond Du Lac, WI 54937-2999
Phone (920) 907-4800
2219 Garfield St
Two Rivers, WI 54241-2416
Phone (920) 793-6317
2414 Kohler Memorial Dr
Sheboygan, WI 53081-3129
Phone (920) 457-4461
248 McHenry St
Burlington, WI 53105-1828
Phone (262) 767-8000
252 McHenry St
Burlington, WI 53105-1828
Phone (262) 767-7000
2600 Kiley Way
Plymouth, WI 53073-5020
Phone (920) 449-7000
2621 S Green Bay Rd
Racine, WI 53406-4948
Phone (262) 504-6100
2707 15TH PL
Kenosha, WI 53140-4947
Phone (262) 551-2700
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 646-5410
3003 University Dr
Marinette, WI 54143-4110
Phone (715) 735-6621
3003 W Good Hope Rd
Milwaukee, WI 53209-2042
Phone (414) 352-3100
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 79896 | AZ | MD | Diagnostic Radiology Physician |
| 036-126655 | IL | MD | Diagnostic Radiology Physician |
| 2025-03105 | NC | MD | Diagnostic Radiology Physician |
| 57118 | WI | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lakeshore Medical Clinic, LLC | Current | Accepting new patients | |
| Aurora Advanced Healthcare, Inc. | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Amg Illinois LTD | Current | Accepting new patients | |
| Aurora Advanced Healthcare Inc | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Wake Forest University Health Sciences | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Current | Accepting new patients | |
| Amg Illinois LTD | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Central Illinois Radiological Associates, LTD. | Diagnostic Radiology | Current | Accepting new patients |
| Advocate Health & Hospitals Corporation | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Past | Accepting new patients | |
| The Medical College of Wisconsin, Inc. | Past | Accepting new patients |
Locations (25 of 48)
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
29373 Network Pl
Chicago, IL 60673
45 Tower Ct
Gurnee, IL 60031
Phone (847) 623-3200
45 Tower Ct
#C
Gurnee, IL 60031
Phone (847) 623-3200
223 W Ward St
Ste B
Asheboro, NC 27203
Phone (336) 702-1731
601 N Elm St
High Point, NC 27262
Phone (336) 878-6419
1814 Westchester Dr
Ste 100
High Point, NC 27262
Phone (336) 802-2397
Medical Ctr Blvd
Winston Salem, NC 27157
Phone (336) 713-2697
1611 S Madison St
Appleton, WI 54915
Phone (920) 727-4395
112 N US Highway 141
Crivitz, WI 54114
Phone (715) 735-6621
W3985 Highway NN
Elkhorn, WI 53121
Phone (262) 741-2000
12500 W Bluemound Rd
Elm Grove, WI 53122
Phone (262) 780-3434
210 Wisconsin American Dr
Fond du Lac, WI 54937
Phone (920) 907-7000
9200 W Loomis Rd
Franklin, WI 53132
Phone (414) 529-9200
7080 N Port Washington Rd
Glendale, WI 53217
Phone (414) 228-4940
3003 W Good Hope Rd
Glendale, WI 53209
Phone (414) 352-3100
2733 S Ridge Rd
Green Bay, WI 54304
Phone (920) 497-6200
2845 Greenbrier Rd
#4
Green Bay, WI 54311
Phone (920) 288-8400
2845 Greenbrier Rd
#1
Green Bay, WI 54311
Phone (920) 288-8100
123 N Military Ave
Green Bay, WI 54303
Phone (920) 494-3421
1004 E Sumner St
Hartford, WI 53027
Phone (262) 670-7000
7550 22nd Ave
Kenosha, WI 53143
Phone (262) 658-2500
10117 74th St
Ste 110
Kenosha, WI 53142
Phone (262) 697-1919
601 Reed Ave
Manitowoc, WI 54220
Phone (920) 682-8841
4061 Old Peshtigo Rd
Marinette, WI 54143
Phone (715) 732-8000
Interoperability endpoints
- emussak3044422@carolinashealthcaresystem.direct-ci.com
- emussak86828@direct.myadvocateaurora.org
Organizations & group practices 16
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.
-
- Family Medicine Physician
- Milwaukee, WI
- NPI 1265629133
-
- Certified Registered Nurse Anesthetist
- Milwaukee, WI
- NPI 1427271378
Diagnostic Radiology
-
- Family Medicine Physician
- St Francis, WI
- NPI 1003861188
-
- Internal Medicine Physician
- Gurnee, IL
- NPI 1972741759
-
- Multi-Specialty Clinic/Center
- Winston Salem, NC
- NPI 1003803032
-
dba Abrazo Medical Group
- Multi-Specialty Clinic/Center
- Goodyear, AZ
- NPI 1912979964
-
dba Advocate Medical Group
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
-
dba Atrium Health Wake Forest Baptist Pediatrics - Greensboro
- Pediatrics Physician
- Greensboro, NC
- NPI 1477785756
-
- Durable Medical Equipment & Medical Supplies
- Summit, WI
- NPI 1477186633
-
- Durable Medical Equipment & Medical Supplies
- Oshkosh, WI
- NPI 1326858044
-
dba Advocate Christ Medical Group
- Medical Specialty Clinic/Center
- Oak Lawn, IL
- NPI 1912936014
-
dba Advocate Children's Hospital
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Cudahy, WI
- NPI 1235355983
Hospital
-
- General Acute Care Hospital
- Milwaukee, WI
- NPI 1861447179
-
- General Acute Care Hospital
- Grafton, WI
- NPI 1265740195
-
dba Abrazo West Campus and Abrazo Maryvale Campus
- General Acute Care Hospital
- Goodyear, AZ
- NPI 1093791170
-
dba Abrazo Scottsdale Campus
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1326022732
-
dba Abrazo Arrowhead Campus
- General Acute Care Hospital
- Glendale, AZ
- NPI 1326022765
-
dba Abrazo Peoria Emergency Center
- General Acute Care Hospital
- Peoria, AZ
- NPI 1801340781
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1208217600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777593600000",
"number": "1639343148",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "29373 NETWORK PL",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606731293",
"telephone_number": "847-390-5900"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9200 W WISCONSIN AVE",
"address_2": "DEPARTMENT OF RADIOLOGY",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532263522",
"telephone_number": "414-805-3750",
"fax_number": "414-259-9290"
}
],
"practiceLocations": [
{
"address_1": "1814 Westchester Dr Ste 100",
"address_purpose": "LOCATION",
"city": "High Point",
"state": "NC",
"postal_code": "272627369",
"country_code": "US",
"telephone_number": "336-802-2397",
"fax_number": "336-802-2681",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "601 N Elm St",
"address_purpose": "LOCATION",
"city": "High Point",
"state": "NC",
"postal_code": "272624331",
"country_code": "US",
"telephone_number": "336-878-6000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "45 Tower Ct Ste C",
"address_purpose": "LOCATION",
"city": "Gurnee",
"state": "IL",
"postal_code": "600313376",
"country_code": "US",
"telephone_number": "847-623-3200",
"fax_number": "847-623-9168",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "13677 W McDowell Rd",
"address_purpose": "LOCATION",
"city": "Goodyear",
"state": "AZ",
"postal_code": "853952635",
"country_code": "US",
"telephone_number": "623-882-1500",
"fax_number": "623-882-1912",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MUSSAK",
"first_name": "ERICH",
"middle_name": "NICHOLAI",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-04-15",
"last_updated": "2026-05-01",
"certification_date": "2026-05-01",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "IL",
"license": "036-126655",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "NC",
"license": "2025-03105",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "WI",
"license": "57118",
"primary": true
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "AZ",
"license": "79896",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1639343148",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "9200 W Wisconsin Ave",
"address_2": "DEPARTMENT OF RADIOLOGY",
"city": "Milwaukee",
"state": "WI",
"country_code": "US",
"postal_code": "532263522",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "emussak86828@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "9200 W Wisconsin Ave",
"address_2": "DEPARTMENT OF RADIOLOGY",
"city": "Milwaukee",
"state": "WI",
"country_code": "US",
"postal_code": "532263522",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "emussak86828@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "45 Tower Ct Ste C",
"city": "Gurnee",
"state": "IL",
"country_code": "US",
"postal_code": "600313376",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "45 Tower Ct Ste C",
"city": "Gurnee",
"state": "IL",
"country_code": "US",
"postal_code": "600313376",
"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 May 1, 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.