John Ellis Vernon, MD

Mercy Clinic
John Ellis Vernon, MD, Mercy

John Ellis Vernon, MD

Specialty

  • Internal Medicine

Online Services

Schedule Online, Video Visits
Location of Your Visit
Mercy Clinic Primary Care - Olive-Mason
12680 Olive Boulevard, Suite 100St. Louis, MO 63141

Select a Location

To schedule an in-person or video visit (available only through certain locations).

12680 Olive Boulevard, Suite 100St. Louis, MO 63141
15.0 Miles

Sorry, this is not working properly.

While we work on fixing this mistake, you may try again or come back later.

Select a Time

Please select your preferred time slot for your appointment.

Location and Contact Information

About John Ellis Vernon, MD

Video Player is loading.
Current Time 0:00
Duration 0:00
Loaded: 0%
Stream Type LIVE
Remaining Time 0:00
 
1x
  • Chapters
  • descriptions off, selected
  • captions off, selected
      Education
      Medical School
      • University of Missouri School of Medicine - Columbia
      Residency
      • Mercy Hospital Saint Louis-Internal Medicine
      Board Certifications
      • American Board of Internal Medicine
      Affiliations
      • Mercy Hospital St. Louis
      Languages
      • English
      Looking for more options?
      Find the Mercy provider who's right for you.
      View all Internal Medicine providers.
      Looking for more options?
      Find the Mercy provider who's right for you.
      View all Internal Medicine providers.

      Patient Ratings and Comments

      Rating

      From 751 patients
      (4.9/5)
      The provider rating is an average based on Mercy Clinic's post-care survey responses. To find out more, check out our frequently asked questions.

      Comments

      Viewing 1-3 of 272 comments
      Highlights from patients about their experience with this provider:
      • May 7, 2025
        (5/5)
        All the staffs are awesome Especially Dr. John Vernon He is so good. He knows how to take care of the patients. So polite. No more need to tell anything about Dr. John Vernon
      • May 5, 2025
        (5/5)
        Dr. Vernon has been mine and my wife's primary care physician for 30 years. He has taken very good care of both of us. I trust him with our lives.
      • May 2, 2025
        (5/5)
        Always feel welcome and comfortable with Dr. Vernon, Nurse and office workers.