Ellen L Ziaja, MD - Medicare Radiation Oncology in Summit, WI

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Ellen L Ziaja, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Summit, Wisconsin. She went to Wayne State University School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Radiation Oncology. She is a member of the group practice Radiation Oncology Associates Ltd and her current practice location is 36500 Aurora Dr, Summit, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (262) 434-1800.

Ellen L Ziaja is licensed to practice in Wisconsin (license number 39952) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1104868181.

Contact Information

Ellen L Ziaja, MD
36500 Aurora Dr,
Summit, WI 53066-4899
(262) 434-1800
(414) 649-5309

Map and Direction




Physician's Profile

Full NameEllen L Ziaja
GenderFemale
SpecialityRadiation Oncology
Experience31 Years
Location36500 Aurora Dr, Summit, Wisconsin
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ellen L Ziaja attended and graduated from Wayne State University School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1104868181
  • Provider Enumeration Date: 06/12/2006
  • Last Update Date: 09/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9234030180
  • Enrollment ID: I20040719000106

Medical Identifiers

Medical identifiers for Ellen L Ziaja such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104868181NPI-NPPES
32461100MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 39952 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Aurora Medical Center - SummitSummit, WIHospital
Ascension St Francis HospitalMilwaukee, WIHospital
Aurora St Lukes Medical CenterMilwaukee, WIHospital
West Allis Memorial HospitalWest allis, WIHospital
Aurora Medical Center - GraftonGrafton, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Radiation Oncology Associates Ltd761892462222

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ellen L Ziaja allows following entities to bill medicare on her behalf.
Entity NameRadiation Oncology Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932154754
PECOS PAC ID: 7618924622
Enrollment ID: O20050401000480

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ellen L Ziaja is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ellen L Ziaja, MD
11516 N Port Washington Rd, Ste 202,
Mequon, WI 53092-3441

Ph: (262) 241-5040		Ellen L Ziaja, MD
36500 Aurora Dr,
Summit, WI 53066-4899

Ph: (262) 434-1800

Reviews and Comments


Radiology Doctors in Summit, WI

Satchidanand Hiremath, M.D
Radiology
Medicare: Medicare Enrolled
Practice Location: 36500 Aurora Dr, Summit, WI 53066
Phone: 262-434-5000    
Dr. Kevin J Kass, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 36500 Aurora Dr, Summit, WI 53066
Phone: 262-434-5000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.