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William Mark Barnett, MD

Mercy Clinic
William Mark Barnett, MD, Mercy

William Mark Barnett, MD

Specialty

  • Family Medicine

Online Services

Schedule Online
(4.9/5)
407 Ratings | 146 Comments

Location and Contact Information

About William Mark Barnett, MD

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      Education
      Medical School
      • University of Missouri - Columbia
      Residency
      • University of Missouri - Columbia-Family Medicine
      Specialty
      Board Certifications
      • American Board of Family Medicine
      Affiliations
      • Mercy Hospital Cassville
      • Mercy Hospital Aurora
      • Mercy Hospital Lebanon
      • Mercy St. Francis Hospital
      • Mercy Hospital Springfield
      Languages
      • English
      Looking for more options?
      Find the Mercy provider who's right for you.
      View all Family Medicine providers.
      Looking for more options?
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      View all Family Medicine providers.

      Patient Ratings and Comments

      Rating

      From 407 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 146 comments
      Highlights from patients about their experience with this provider:
      • Aug 12, 2025
        (5/5)
        good visit
      • Aug 8, 2025
        (5/5)
        Everyone was very caring and compassionate. Dr. Barnett and his staff helped me with all of my issues. He was also able to schedule me for 4 more follow up appointments in 3 month intervals. He's the best doctor I've ever had. Thank you Dr. Barnett!
      • Aug 7, 2025
        (5/5)
        Dr. Barnett is always very friendly and thorough. Great doctor!

      Insurance Accepted

      This listing is provided as a guide only. Please verify with your insurance provider.
      Aetna
      Allwell from Home State Health
      Ambetter from Home State Health
      American Healthcare Alliance
      Anthem BlueCross BlueShield

      Type in your health insurance provider above or select from the list to see accepted plans by provider.

      Meet The Whole Care Team

      Our group of experts committed to your health.

      William Mark Barnett, MD
      Mercy Clinic
      William Mark Barnett, MD
      Family Medicine
      98.8 Miles
      Schedule Online
      Aime Noelle White, FNP
      Mercy Clinic
      Aime Noelle White, FNP
      Family Medicine
      98.8 Miles
      Schedule Online
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