William Matthaeus
Hematology & Oncology Physician · MD · Oncologist in Milwaukee, WI
Provider details
- Specialty
- Hematology & Oncology Physician
- Also registered as
- Hospice and Palliative Medicine (Internal Medicine) Physician
- Credentials
- MD
- NPI number
- 1326039074
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- Medical College of Wisconsin, graduated 1983
- Group practices
- Aurora Health Care Central; Aurora Health Care Metro
- Hospital affiliations
- Aurora St Lukes Medical Center, Milwaukee, WI · Medicare rating 4 out of 5 stars
- Aurora Medical Center Sheboygan County, Sheboygan, WI · Medicare rating 5 out of 5 stars
- West Allis Memorial Hospital, West Allis, WI · Medicare rating 4 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 2, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
William Matthaeus, MD, is a hematology & oncology physician in Milwaukee, Wisconsin, registered with the federal National Provider Identifier (NPI) registry. Other registered specialties: Hospice and Palliative Medicine (Internal Medicine) Physician. They attended Medical College of Wisconsin, graduating in 1983. Contact the provider directly to confirm services, hours and accepted insurance.
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