Physician Profile

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About GRAYKOSKI

Based in Barron, WI, John Joseph Graykoski, PA is listed in the NPI registry under emergency medicine. John is also listed as specializing in emergency medical services, pediatric emergency medicine, and physician assistant.

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

Areas of Expertise

Emergency Medicine (Primary)
Emergency Medical Services (Additional)
Pediatric Emergency Medicine (Additional)
Emergency Medicine (Additional)
Physician Assistant (Additional)

Licensing & Certification

WI license1944023
NPI1740234772
NPI issued05/22/2006

Source: NPPES NPI Registry

Common questions

What does Dr. Graykoski specialize in?

Dr. Graykoski is an emergency physician in Barron, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.

NPI registry

Where is Dr. Graykoski located?

Dr. Graykoski is listed at 1222 E WOODLAND AVE, Barron, WI 54812. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Graykoski's phone number?

The number on file is (715) 537-3166. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Graykoski's NPI number?

Dr. Graykoski's National Provider Identifier is 1740234772. 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. Graykoski been practicing?

Dr. Graykoski 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. Graykoski confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Graykoski. If this is you, claiming it is free.

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