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Dr. John Hayes, MD

Milwaukee, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hayes, Internist in Milwaukee, WI?

    Dr. John Hayes, MD is an Internist, who primarily practices in Milwaukee, WI. Dr. Hayes is fluent in English, and is currently seeing new patients. Dr. Hayes’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hayes’s office at (414) 384-2000.

    What languages does Dr. Hayes speak?

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

    • English

    What conditions does an Internist like Dr. Hayes typically treat?

    As an Internist, Dr. Hayes 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. Hayes. 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.

    Also known as:

    • Early Prostate Cancer
    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ)
    • Carcinoma in situ of prostate
    • Precancerous prostate cells
    • Non-invasive prostate cancer
    • Stage 0 prostate cancer

    ICD-10 Codes:

    • D075: Carcinoma in situ of prostate

    What procedures does an Internist like Dr. Hayes typically perform?

    As an Internist, procedures performed by Dr. John Hayes may include:

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

    Does Dr. Hayes accept my insurance?

    Dr. Hayes accepts most major insurance plans. Important: Please call our office at (414) 384-2000 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Federal government of the United States

    • Medicare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Hayes' office located?

    Dept Of Internal Medicine

    9200 W Wisconsin Ave

    Milwaukee, WI 53226

    (414) 384-2000

    Get Directions

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

    Dr. Hayes's National Provider Identifier (NPI) number is 1700800190.

    What common questions do patients ask about Dr. Hayes?

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

    What is Dr. John Hayes's specialty?

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is Dr. John Hayes affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hayes is affiliated with Froedtert Hospital which is a Castle Connolly Top Hospital. 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 an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Dr. John Hayes accepting new patients in Milwaukee, WI?

    Yes, Dr. John Hayes is accepting new patients at this time.

    Does Dr. John Hayes offer online booking?

    Please contact Dr. Hayes' office at (414) 384-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Hayes?

    Please contact Dr. Hayes' office at (414) 384-2000 to schedule an appointment.

    Where is Dr. Hayes' office located?

    Dr. Hayes' office is located in Milwaukee, WI.