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Dr. William Matthaeus, MD

Dr. William Matthaeus, MD

Milwaukee, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Matthaeus, Hematology / Oncology Specialist in Milwaukee, WI?

    Dr. William Matthaeus, MD is a Hematology / Oncology Specialist, who primarily practices in Milwaukee, WI with 2 additional practice locations. He is board certified. Dr. Matthaeus graduated from Medical College of Wisconsin and completed his residency at Med Coll Wi Affil Hosps, Hematology-Internal Medicine; Med Coll Wi Affil Hosps, Internal Medicine. Dr. Matthaeus is fluent in English, and is currently seeing new patients. Dr. Matthaeus’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Matthaeus’s office.

    Where did Dr. Matthaeus go to medical school and complete their residency?

    • Residency: Med Coll Wi Affil Hosps, Hematology-Internal Medicine; Med Coll Wi Affil Hosps, Internal Medicine | Medical College of Wisconsin Affiliated Hospitals | Medical College of Wisconsin Affiliated Hospitals Program

    • Medical School: Med Coll of Wi, Milwaukee Wi | Medical College of Wisconsin

    Is Dr. Matthaeus board certified as a Hematology / Oncology Specialist?

    Yes, Dr. William Matthaeus, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Matthaeus speak?

    Dr. Matthaeus and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Hematology / Oncology Specialist like Dr. Matthaeus typically treat?

    As a Hematology / Oncology Specialist, Dr. Matthaeus diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Matthaeus. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Thrombocytopenia
    • Platelet Disorder
    • Low platelet count
    • Platelet deficiency
    • Bleeding disorder

    ICD-10 Codes:

    • D696: Thrombocytopenia, unspecified

    Also known as:

    • Lung Cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer

    ICD-10 Codes:

    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung

    Also known as:

    • Pancreatic Cancer
    • Cancer of the pancreas
    • Malignant neoplasm of pancreas
    • Pancreatic adenocarcinoma

    ICD-10 Codes:

    • C258: Malignant neoplasm of overlapping sites of pancreas

    Also known as:

    • Chronic Lymphocytic Leukemia
    • Chronic Lymphocytic Leukemia Treatment (PDQ®)
    • CLL
    • B-cell chronic lymphocytic leukemia
    • Lymphocytic leukemia

    ICD-10 Codes:

    • C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)

    What procedures does a Hematology / Oncology Specialist like Dr. Matthaeus typically perform?

    As a Hematology / Oncology Specialist, procedures performed by Dr. William Matthaeus may include:

    Please contact Dr. Matthaeus' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Matthaeus accept my insurance?

    Dr. Matthaeus accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Matthaeus accept in Milwaukee, WI?

    Dr. Matthaeus in Milwaukee, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Broward Health

    • Health Payment System (HPS)

    • Humana

    • Medicaid

    • Medicare

    • The Alliance

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Matthaeus' office located?

    Dr. William Matthaeus' Primary Practice

    2900 W Oklahoma Ave

    Milwaukee, WI 53215

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    Dr. William Matthaeus' Practice 2

    1055 N Mayfair Rd

    Milwaukee, WI 53226

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    Dr. William Matthaeus' Practice 3

    3003 W Good Hope Rd

    Milwaukee, WI 53209

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    What is Dr. Matthaeus's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Matthaeus's National Provider Identifier (NPI) number is 1326039074.

    What common questions do patients ask about Dr. Matthaeus?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Matthaeus

    What is Dr. William Matthaeus's specialty?

    Dr. Matthaeus is a Hematology / Oncology Specialist near Milwaukee, WI.

    What does a Hematology / Oncology Specialist do?

    An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available.

    Is this Dr. William Matthaeus affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Matthaeus is affiliated with Aurora St Luke's Medical Center - Milwaukee, Aurora West Allis Medical Center, Aurora Medical Center - Sheboygan County, Prohealth Waukesha Memorial Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is William Matthaeus accepting new patients in Milwaukee, WI?

    Yes, Dr. William Matthaeus is accepting new patients at this time.

    Does Dr. William Matthaeus offer online booking?

    Please contact Dr. Matthaeus's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Matthaeus?

    Please contact Dr. Matthaeus's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Matthaeus have?

    Dr. William Matthaeus is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>