Alan Johnson is a Emergency Medicine Physician based in Ballwin, IL. Alan Johnson practices in Alton, IL and has the professional credentials of MD. The NPI Number for Alan Johnson is 1326065962 and holds a License No. 036-089660 (Illinois).
The current practice location address for Alan Johnson is 1 Memorial Dr, Alton, IL and can be reached out via phone at 618-463-7311.
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