Active NPI
Ellen L Ziaja, MD
- Radiation Oncology Physician
- Summit, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- 39952
- Practice address
- 36500 Aurora Dr
Summit, WI 53066-4899 - Phone
- (262) 434-1800
- Fax
- (414) 649-5309
- NPI assigned
- Jun 12, 2006
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | 39952 | WI | Primary |
Addresses
Primary practice location
36500 Aurora Dr
Summit, WI 53066-4899
Mailing address
11516 N Port Washington Rd
Ste 202
Mequon, WI 53092-3441
Phone (262) 241-5040
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 32461100 | Medicaid | WI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI
- 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
- Radiation Oncology
- Education
- Wayne State University School of Medicine, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1222 N 23Rd St
Sheboygan, WI 53081-3171
Phone (920) 457-6800
2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-4160
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 649-6420
36500 Aurora Dr
Summit, WI 53066-4899
Phone (262) 434-1800
6811 118TH Ave
Kenosha, WI 53142-8420
Phone (262) 857-5700
8901 W Lincoln Ave
West Allis, WI 53227-2409
Phone (414) 328-6460
945 N 12TH St
Milwaukee, WI 53233-1305
Phone (414) 219-7140
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 39952 | WI | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Radiation Oncology Associates, LTD | Radiation Oncology | Current | Accepting new patients |
Locations
2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388
11516 N Port Washington Rd
Ste 107
Mequon, WI 53092
Phone (262) 241-5040
2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590
945 N 12th St
Milwaukee, WI 53233
Phone (414) 219-5800
3809 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-5000
855 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 451-5643
36500 Aurora Dr
Summit, WI 53066
Phone (262) 434-1000
8901 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000
Organizations & group practices 1
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.
-
- Radiation Oncology Physician
- Milwaukee, WI
- NPI 1932154754
Hospital & facility affiliations 6
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
- Summit, WI
- NPI 1699008029
-
- General Acute Care Hospital
- Green Bay, WI
- NPI 1255387726
-
- General Acute Care Hospital
- West Allis, WI
- NPI 1407801640
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": "1694736000000",
"number": "1104868181",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11516 N PORT WASHINGTON RD",
"address_2": "STE 202",
"city": "MEQUON",
"state": "WI",
"postal_code": "530923441",
"telephone_number": "262-241-5040",
"fax_number": "262-251-5261"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "36500 AURORA DR",
"city": "SUMMIT",
"state": "WI",
"postal_code": "530664899",
"telephone_number": "262-434-1800",
"fax_number": "414-649-5309"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZIAJA",
"first_name": "ELLEN",
"middle_name": "L",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-06-12",
"last_updated": "2023-09-15",
"certification_date": "2023-09-15",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "WI",
"license": "39952",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "32461100",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Summit, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2023; 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.