Expertise in
5
conditions

Dr. John Willis

Radiology
Good Samaritan Regional Health Center
1 Good Samaritan Way, 
Mount Vernon, IL 
Expertise in
5
conditions
Good Samaritan Regional Health Center
1 Good Samaritan Way, 
Mount Vernon, IL 
OverviewInsuranceLocationsSimilar Doctors

Overview

John Willis is a Radiologist in Mount Vernon, Illinois. Dr. Willis is highly rated in 5 conditions, according to our data. His top areas of expertise are Lung Cancer, Lung Nodules, Tenosynovitis, and Familial Colorectal Cancer.

Specialties
Radiology
Licenses
Diagnostic Radiology in IL
Hospital Affiliations
Heartland Regional Medical Center
Deaconess Illinois Crossroads
Fairfield Memorial Hospital 1
Red Bud Regional Hospital
Wabash General Hospital 1
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D

Locations

Good Samaritan Regional Health Center
1 Good Samaritan Way, Mount Vernon, IL 62864
Call: 618-242-4600
Other Locations
Wabash General Hospital
1418 College Dr, Mount Carmel, IL 62863
Call: 618-263-6313
Similar Doctors
Expertise in
16
conditions
Dr. Neetin Patel
Radiology
Expertise in
16
conditions
Dr. Neetin Patel
Radiology

SSM Health St. Mary's Hospital Centralia

400 N Pleasant Ave, 
Centralia, IL 
 (17.9 miles away)
618-436-7000
Languages Spoken:
English
See accepted insurances

Neetin Patel is a Radiologist in Centralia, Illinois. Dr. Patel is highly rated in 16 conditions, according to our data. His top areas of expertise are Degos Disease, Vertigo, Ascites, and Lung Nodules.

Expertise in
30
conditions
Dr. Hisham Youssef
Radiology
Expertise in
30
conditions
Dr. Hisham Youssef
Radiology

Ct Scan Center Inc.

112 E Clark St, 
Harrisburg, IL 
 (45.9 miles away)
618-252-8338
Languages Spoken:
English

Hisham Youssef is a Radiologist in Harrisburg, Illinois. Dr. Youssef is highly rated in 30 conditions, according to our data. His top areas of expertise are Lymphofollicular Hyperplasia, Pulmonary Fibrosis, Emphysema, and Osteoarthritis.

Expertise in
2
conditions
Dr. Robert M. Fischer
Radiology
Expertise in
2
conditions
Dr. Robert M. Fischer
Radiology

Ernst Radiology Clinic Inc

1 Good Samaritan Way, 
Mount Vernon, IL 
 (0.8 miles away)
618-242-4600
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Robert Fischer is a Radiologist in Mount Vernon, Illinois. Dr. Fischer is highly rated in 2 conditions, according to our data. His top areas of expertise are Ascites, Lung Nodules, Gallbladder Disease, Bone Marrow Aspiration, and Liver Embolization. Dr. Fischer is currently accepting new patients.

VIEW MORE Radiologists

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Willis's expertise for a condition
ConditionClose
    • Distinguished
    • Lung Cancer
      Dr. Willis is
      Distinguished
      . Learn about Lung Cancer.
      See more Lung Cancer experts
    • Advanced
    • Colorectal Cancer
      Dr. Willis is
      Advanced
      . Learn about Colorectal Cancer.
      See more Colorectal Cancer experts
    • Familial Colorectal Cancer
      Dr. Willis is
      Advanced
      . Learn about Familial Colorectal Cancer.
      See more Familial Colorectal Cancer experts
    • Lung Nodules
      Dr. Willis is
      Advanced
      . Learn about Lung Nodules.
      See more Lung Nodules experts
    • Tenosynovitis
      Dr. Willis is
      Advanced
      . Learn about Tenosynovitis.
      See more Tenosynovitis experts
    • Experienced
    • ALK-Positive Non-Small Cell Lung Cancer
      Dr. Willis is
      Experienced
      . Learn about ALK-Positive Non-Small Cell Lung Cancer.
      See more ALK-Positive Non-Small Cell Lung Cancer experts
    • Ascites
      Dr. Willis is
      Experienced
      . Learn about Ascites.
      See more Ascites experts
    • Boils
      Dr. Willis is
      Experienced
      . Learn about Boils.
      See more Boils experts
    • Breast Cancer
      Dr. Willis is
      Experienced
      . Learn about Breast Cancer.
      See more Breast Cancer experts
    • Breast Infection
      Dr. Willis is
      Experienced
      . Learn about Breast Infection.
      See more Breast Infection experts
    • Breast Lump
      Dr. Willis is
      Experienced
      . Learn about Breast Lump.
      See more Breast Lump experts
    View All 53 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    1. Homepage
    2. Radiologists Mount Vernon, IL
    3. Dr. John Willis
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.