Mark C Johnson is a Internal Medicine Physician based in Mason City, IA. Mark C Johnson practices in Mason City, IA and has the professional credentials of MD. The NPI Number for Mark C Johnson is 1013923127 and holds a License No. 21527 (Iowa).
The current practice location address for Mark C Johnson is 910 N Eisenhower Ave, Mason City, IA and can be reached out via phone at 641-428-7799 and via fax at 641-428-5274.
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