Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Joseph Graykoski, PA

Individual provider Emergency Medicine Physician · NPI 1740234772

John Joseph Graykoski, PA is an Emergency Medicine Physician in Barron, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
Specialties on file
5
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

1222 E Woodland Ave
Barron, WI 54812-1765
Phone: (715) 537-3166
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 1944 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 1944023 (WI)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence 1944023 (WI)
Pediatric Emergency Medicine (Emergency Medicine) Physician Taxonomy 207PP0204X · Licence 1944023 (WI)
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence 1944023 (WI)

Record details

NPI number1740234772
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedMay 22, 2006
Last updated in NPPESOctober 11, 2019

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