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Dr. Willis Ko, MD

Dr. Willis Ko, MD

Cardiology*

Dr. Willis Ko, MD is a cardiologist in Maryville, IL. He is affiliated with Newyork-Presbyterian Queens.

Practice

6810 State Route 162 Ste 102B Maryville, IL 62062

Hospital Highlight

Dr. Ko is affiliated with Newyork-Presbyterian Queens Flushing, a highly rated hospital.

At a Glance

  • Areas of Expertise
    Dr. Ko specializes in the areas of Cardiovascular Disease, Internal Medicine & Interventional Cardiology. See board certifications
  • Practices at Top Hospital
    America’s 50 Best Hospitals for Surgical Excellence Award™ See hospitals
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About Me

biography

Dr. Willis Ko, MD is a cardiologist in Maryville, IL. He is affiliated with Newyork-Presbyterian Queens.
  • Cardiology

  • Interventional Cardiology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

American Board of Medical Specialties®
American Board of Internal Medicine®
Cardiovascular Disease
Internal Medicine
Interventional Cardiology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Locations

Practice

Office6810 State Route 162 Ste 102B Maryville, IL 62062
1
Christian Hospital Northeast11133 Dunn Rd Saint Louis, MO 63136
2
Largo Medical Center201 14th St SW Largo, FL 33770
3
Office660 Mason Ridge Center Dr Ste 300 Saint Louis, MO 63141
4

Affiliated Hospitals

  • Newyork-Presbyterian Queens

    5645 Main St
    Flushing, NY 11355
    Recipient of 43
    hospital awards

    America’s 50 Best Hospitals for Surgical Excellence Award™ (2025)

    Top 5% in the nation for consistently delivering clinical quality

    America's 100 Best Hospitals Award™ (2025, 2024)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    75%
    Patients said that doctors always listened to them and explained things well

    1% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality