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

Gregory P Kooyman, PA

Individual provider Physician Assistant · NPI 1346334406

Gregory P Kooyman, PA is a Physician Assistant in Dayton, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

1 Wyoming St
Dayton, OH 45409-2722
Phone: (513) 281-4400
Fax: (513) 587-8213
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 50-000356 (OH)

Record details

NPI number1346334406
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESMay 21, 2013

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