Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alan Johnson, MD

Individual provider Emergency Medicine Physician · NPI 1326065962

Alan Johnson, MD is an Emergency Medicine Physician in Alton, Illinois. Licensed in Illinois and Missouri. Registered with an NPI since 2006.

Licensed in
IL, MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Memorial Dr
Alton, IL 62002-6722
Phone: (618) 463-7311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036-089660 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD100153 (MO)

Record details

NPI number1326065962
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2 Greystoke Ct, Ballwin, MO 63021-4440

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