About the Doctors
How to book
- Click Book Appointment call +1 573-458-6326 .
- Use provider online portal: mercy.net/doctor/william-mark-barnett-md.
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Frequently Asked Questions about William Mark Barnett, MD
Where is the William Mark Barnett, MD situated at?
William Mark Barnett, MD is situated at 1605 Martin Springs Dr Suite 230, Rolla, Missouri, United States.
What insurance plans does William Mark Barnett, MD accept?
William Mark Barnett, MD accepts the following insurance plans: Medicare. Insurance acceptance is subject to change — contact the provider to confirm your specific plan is accepted.
Does William Mark Barnett, MD accept Medicare?
Yes, William Mark Barnett, MD is confirmed to accept Medicare based on CMS data. Contact them to confirm your specific Medicare plan is covered.
Is William Mark Barnett, MD accepting new patients?
Please contact William Mark Barnett, MD directly to confirm whether they are currently accepting new patients. You can call them or use the booking button on this page.
How can I book an appointment at William Mark Barnett, MD?
You can book an appointment by clicking the "Book Appointment" button on this page or by calling the provider directly.
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Information last updated: June 30, 2026