Dr. Ellen L. Ziaja
- Gender: Female
- Experience: 28 years
- Graduated from: Wayne State University School Of Medicine
- Graduation year: 1993
- Sole propriator: No
- NPI: 1104868181
Dr. Ellen L. Ziaja MD
Radiation Oncologist
She is located at 36500 Aurora Drive in Summit, WI 53066. Can help patients with the following: Acoustic Neuroma, Bladder Cancer, Cancer, Leukemia, Sarcoma, Vaginal Cancer. Her National Provider Identifier (NPI) number is 1104868181. Appointment can be made via the phone number (262) 434-1800. She is affiliated with 3 hospitals.
Conditions treated
Dr. Ellen L. Ziaja, being an radiation oncologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ellen L. Ziaja.
- Acoustic Neuroma
- Anal Cancer
- Bladder Cancer
- Bone Cancer
- Brain Cancer
- Breast Cancer
- Cancer
- Cervical Cancer
- Colon Cancer
- Cushing's Syndrome
- Hodgkin's Disease
- Leukemia
- Liver Cancer
- Lung Cancer
- MRI
- Penis Cancer
- Prostate Cancer
- Salivary Gland Cancer
- Sarcoma
- Testicular Cancer
- Vaginal Cancer
Procedures Performed by Dr. Ellen L. Ziaja
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ellen L. Ziaja as in-network for the following 2026 plans.
Health plans
CareSource (Common Ground Healthcare)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from CareSource (Common Ground Healthcare)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
HealthPartners
Network data as of Jan 28, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Oak $1,300 Gold | PPO · Gold | Network | Accepting new patients |
| Oak $2,000 Standard Gold | PPO · Gold | Network | Accepting new patients |
Network Health
Network data as of Jan 12, 2026, as reported by the insurer.
Show all 14 plans from Network Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Prestige Bronze $0 Medical Deductible (2 plan variants) | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductible | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental + Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental +Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze Essential + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessential | Accepting new patients |
| Prestige Bronze Essential + Dental + Vision + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessentialdv | Accepting new patients |
| Prestige Bronze Plus | HMO · Expanded Bronze | Prestigebronzeplus | Accepting new patients |
| Prestige Gold | HMO · Gold | Prestigegold | Accepting new patients |
| Prestige Gold 50 + 1 Free PCP Visit | HMO · Gold | Prestigegoldfifty | Accepting new patients |
| Prestige Gold 50 + Dental + Vision + 1 Free PCP Visit | HMO · Gold | Prestigegoldfiftydv | Accepting new patients |
| Prestige Gold Essential + 3Free PCP Visits | HMO · Gold | Prestigegoldessential | Accepting new patients |
| Prestige Gold Essential + Dental + Vision + 3 Free PCP Visits | HMO · Gold | Prestigegoldessentialdv | Accepting new patients |
| Prestige Silver | HMO · Silver | Prestigesilver | Accepting new patients |
| Prestige Silver Essential + 3 Free PCP Visits | HMO · Silver | Prestigesilveressential | Accepting new patients |
| Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits | HMO · Silver | Prestigesilveressentialdv | Accepting new patients |
Quartz
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 57 plans from Quartz
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| QUARTZ GUNDERSEN PERFORMANCE BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Ellen L. Ziaja is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Ellen L. Ziaja is enrolled to bill Medicare as a Practitioner - Radiation Oncology .
Bills through: Radiation Oncology Associates Ltd
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1993Additional Specialities
- Radiologist
Affiliated hospitals
Questions & Answers
Has Dr. Ellen L. Ziaja affiliation with hospitals?
Dr. Ellen L. Ziaja is affiliated with AURORA ST LUKES MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Ellen L. Ziaja treat?
Dr. Ellen L. Ziaja provides treatment for Acoustic Neuroma, Bladder Cancer, Cancer, Leukemia, Sarcoma, Vaginal Cancer. For the full list see this list.
Where can you meet with Dr. Ellen L. Ziaja?
Dr. Ellen L. Ziaja's office is located at 36500 Aurora Drive in Summit, WI 53066.
Does Dr. Ellen L. Ziaja accept patients with HealthPartners?
Yes, Dr. Ellen L. Ziaja is listed in-network for HealthPartners through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.