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Physician Profile

Charles B. Johnston, MD

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At a glance

About Dr. Johnston

Charles B. Johnston, MD practices internal medicine in Oak Park, IL. Charles is also listed as specializing in pediatrics. The provider's National Provider Identifier (NPI) is 1831288422.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Internal Medicine (Primary)
Pediatrics (Additional)

Credentials & Licensing

IL licenceAs reported to the NPI registry
No. 036078749As reported
NPINational Provider Identifier
1831288422Issued 2006

As reported to the NPI registry ↗

Common questions

What is Dr. Johnston's specialty?

Dr. Johnston is an internist in Oak Park, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Dr. Johnston?

Dr. Johnston is listed at 1102 Chicago Ave, Oak Park, IL 60302. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Johnston?

The number on file is (708) 948-7772. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Johnston's NPI number?

Dr. Johnston's National Provider Identifier is 1831288422. 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

How long has Dr. Johnston been practicing?

Dr. Johnston has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Johnston confirmed this information?

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.

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