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Edit this profileThomas Johnston, MD is a healthcare provider in Springfield, IL specializing in emergency medicine. This provider record is associated with NPI 1184517260.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
701 N 1ST SUITE D220
Springfield, IL 62702
Dr. Johnston is an emergency physician in Springfield, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. Johnston is listed at 701 N 1St Suite D220, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (217) 545-3518. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Johnston's National Provider Identifier is 1184517260. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Johnston has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. If this is you, claiming it is free.
Guide.md
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