Dr. John Willis, MD

Diagnostic RadiologyMaleAge 50

Diagnostic Radiology

Dr. John Willis, MD is a Diagnostic Radiology Specialist in Mount Vernon, IL and has over 24 years of experience in the medical field. He graduated from Southern Illinois University School Of Medicine medical school in 1998. He is affiliated with Good Samaritan Regional Health Center.

Dr. John Willis, MD

Good Samaritan Hospitalists

1 Good Samaritan Way Mount Vernon, IL 62864 ()

Make an Appointment

(618) 242-4600

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At a Glance

  • Practices at Top Hospital
    Outstanding Patient Experience Award™ See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. See hospitals

Experience and Background Checks


Background Check

No malpractice claims found for Illinois
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Dr. Willis accepts

Accepted insurance can change. Please double-check when making an appointment.

(618) 242-4600

Dr. Willis accepts the following insurance:

Aetna HMO
Choice Plus POS II

Dr. Willis' Reviews

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He was caring and explained every detail of the biopsy. He is an awesome dr. I would recommend him to anyone needing a biopsy or anything else he specializes in.
What went well
  • Appointment scheduling
  • Office environment
  • Staff friendliness
  • Wait times
  • Appointment wasn't rushed
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
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Kim Stover – Sep 08, 2019
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About Me


Dr. John Willis, MD is a Diagnostic Radiology Specialist in Mount Vernon, IL and has over 24 years of experience in the medical field. He graduated from...Read more


  • Diagnostic Radiology

Board Certifications


Mayo Grad School Med/mayo Fndn
Residency Hospital
Southern Illinois University School Of Medicine
Medical School


Frequently Asked Questions

Does Dr. John Willis, MD accept my insurance?

Use the Healthgrades insurance check to verify if Dr. Willis accepts your insurance.

Where is Dr. John Willis, MD's office located?

Dr. Willis' office is located at 1 Good Samaritan Way, Mount Vernon, IL 62864. Find other locations and directions on Healthgrades.

Does Dr. John Willis, MD offer telehealth services?

Dr. Willis has not yet indicated whether they offer telehealth services. Please contact the office to check for availability/eligibility.

How can I make an appointment with Dr. John Willis, MD?

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Good Samaritan Hospitalists

Ssm Health Good Samaritan Hospital - Mt. Vernon1 Good Samaritan Way Mount Vernon, IL 62864


Ssm Health St. Mary's Hospital Centralia400 N Pleasant Ave Centralia, IL 62801

Affiliated Hospitals

Dr. Willis is affiliated with the following hospital. Select the hospital below to learn more.

Learn more about how Healthgrades measuresHospital Quality.

Good Samaritan Regional Health Center

Mount Vernon, IL

74% Patients that would definitely recommend, 4% higher than the national average

3 Awards Received

Award Highlight: Outstanding Patient Experience Award™ (2020)