Physician Profile

Charles B. Johnston, MD

Unclaimed Profile

About Dr. Johnston

Charles B. Johnston, MD practices internal medicine in Oak Park, IL. Charles is also listed as specializing in pediatrics.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Internal Medicine (Primary)
Pediatrics (Additional)

Credentials & Licensing

IL license036078749
NPI1831288422
NPI issued10/12/2006

Source: NPPES 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. Guide.md cannot book appointments or pass on messages — please call the office directly.

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.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.