Physician Profile

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About JOHNSTON

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Areas of Expertise

Common questions

Where can I find Dr. Johnston?

Dr. Johnston is listed at 115 S WASHINGTON ST, Ottumwa, IA 52501. 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 (641) 682-8171. 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 1891922712. 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 practising?

Dr. Johnston has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised 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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Licensing & Certification

IA license001368
NPI1891922712
NPI issued06/18/2009

Source: NPPES NPI Registry

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Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other providers at this location 2

Same specialty, same street address — most likely the same department or group.

Also at this address 2

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

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