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Dr. John Keegan

Milwaukee, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Keegan, Infectious Disease Specialist in Milwaukee, WI?

    Dr. John Keegan is an Infectious Disease Specialist, who primarily practices in Milwaukee, WI with 2 additional practice locations. Dr. Keegan is fluent in English, and is currently seeing new patients. Dr. Keegan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Keegan’s office at (414) 805-6444.

    What languages does Dr. Keegan speak?

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

    • English

    What conditions does an Infectious Disease Specialist like Dr. Keegan typically treat?

    As an Infectious Disease Specialist, Dr. Keegan 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. Keegan. 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:

    • HIV
    • Human Immunodeficiency Virus
    • AIDS virus

    ICD-10 Codes:

    • B20: Human immunodeficiency virus [HIV] disease

    Also known as:

    • Asymptomatic HIV Infection
    • HIV
    • HIV positive without symptoms
    • Latent HIV infection
    • HIV carrier

    ICD-10 Codes:

    • Z21: Asymptomatic human immunodeficiency virus [HIV] infection status

    Also known as:

    • Therapeutic Drug Monitoring
    • Drug level testing
    • Medication monitoring
    • Therapeutic drug management

    ICD-10 Codes:

    • Z5181: Encounter for therapeutic drug level monitoring

    Also known as:

    • Other Surgical Site Infection
    • After Surgery
    • Wounds and Injuries
    • Non-specific surgical infection
    • Other post-operative infection
    • Unspecified surgical wound infection

    ICD-10 Codes:

    • T8149XA: Infection following a procedure, other surgical site, initial encounter

    Also known as:

    • Other Long-Term Drug Therapy
    • Chronic medication use
    • Ongoing drug treatment
    • Extended drug therapy

    ICD-10 Codes:

    • Z79899: Other long term (current) drug therapy

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Blood Infection
    • Sepsis
    • Bacteremia
    • Bacteria in blood
    • Bloodstream infection

    ICD-10 Codes:

    • R7881: Bacteremia

    Also known as:

    • Bone Infection
    • Osteomyelitis
    • Infected Bone
    • Bone Inflammation
    • Bone Infection Disease

    ICD-10 Codes:

    • M869: Osteomyelitis, unspecified

    What procedures does an Infectious Disease Specialist like Dr. Keegan typically perform?

    As an Infectious Disease Specialist, procedures performed by Dr. John Keegan may include:

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

    Does Dr. Keegan accept my insurance?

    Dr. Keegan accepts most major insurance plans. Important: Please call our office at (414) 805-6444 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Ascension Health

    • Children's Wisconsin

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicare

    • Point32Health

    • State of Wisconsin

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Keegan's office located?

    Dr. John Keegan's Primary Practice

    9200 W Wisconsin Ave

    Milwaukee, WI 53226

    (414) 805-6444

    Get Directions

    Dr. John Keegan's Practice 2

    8701 Watertown Plank Rd

    Milwaukee, WI 53226

    Get Directions

    Dr. John Keegan's Practice 3

    820 N Plankinton Ave

    Milwaukee, WI 53203

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

    Dr. Keegan's National Provider Identifier (NPI) number is 1053842385.

    What common questions do patients ask about Dr. Keegan?

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

    What is Dr. John Keegan's specialty?

    Dr. Keegan is a Infectious Disease Specialist near Milwaukee, WI.

    What does an Infectious Disease Specialist do?

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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

    Yes, Dr. Keegan is affiliated with Froedtert Hospital, Froedtert Pleasant Prairie Hospital, Froedtert Menomonee Falls Hospital, 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 an Infectious Disease Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Infectious Disease 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 John Keegan accepting new patients in Milwaukee, WI?

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

    Does Dr. John Keegan offer online booking?

    Please contact Dr. Keegan's office at (414) 805-6444 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Keegan?

    Please contact Dr. Keegan's office at (414) 805-6444 for information regarding telehealth appointment availability or for scheduling assistance.

    <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>