Active NPI
Mark A Elson, MD
- Diagnostic Radiology Physician
- West Allis, WI
National Provider Identifier
1225070287
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 25922
- Practice address
- 8901 W Lincoln Ave
Radiology
West Allis, WI 53227-2409 - Phone
- (414) 328-6440
- NPI assigned
- Jun 12, 2006
- Last updated
- Jul 13, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 25922 | WI | Primary |
Addresses
Primary practice location
8901 W Lincoln Ave
Radiology
West Allis, WI 53227-2409
Mailing address
2640 Almesbury Ave
Brookfield, WI 53045-3903
Phone (262) 784-6078
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 30793100 | Medicaid | WI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25922 | WI | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Aurora Medical Group, Inc. | Past | Accepting new patients | |
| Hales Corners MRI, LLC | Past | Accepting new patients | |
| MRI & Imaging of Wisconsin Inc | Diagnostic Radiology | Past | Accepting new patients |
| Great Lakes Radiologists SC | Diagnostic Radiology | Past | Accepting new patients |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Durable Medical Equipment & Medical Supplies
- Union Grove, WI
- NPI 1245440601
-
- Diagnostic Radiology Physician
- New Berlin, WI
- NPI 1609800291
-
- Magnetic Resonance Imaging (MRI) Clinic/Center
- Hales Corners, WI
- NPI 1336195304
-
dba Kenosha Diagnostic Imaging
- Diagnostic Radiology Physician
- Kenosha, WI
- NPI 1538127816
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150070400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1225070287",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2640 ALMESBURY AVE",
"city": "BROOKFIELD",
"state": "WI",
"postal_code": "530453903",
"telephone_number": "262-784-6078"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8901 W LINCOLN AVE",
"address_2": "RADIOLOGY",
"city": "WEST ALLIS",
"state": "WI",
"postal_code": "532272409",
"telephone_number": "414-328-6440"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ELSON",
"first_name": "MARK",
"middle_name": "A",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-12",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "WI",
"license": "25922",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "30793100",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in West Allis, WI
- Sam Eiers, PTA
- Elizabeth Eitel Miller, SLP
- Latasha Elam, LPN
- Hesham M Elghannam, MD
- Jazimine Ellis
- Emergency Dental of Milwaukee, LLC
- Emeritus Corporation (West Park Place Senior Living Community)
- Endodontic Specialists, S.C.
- Enerqi, Inc (Enerqi Center for Acupuncture and Traditional Medicine)
- Margaret Jean Erdman, RN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.