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

Mr. John Edward Koenig

Individual provider Contractor · NPI 1033257639

Mr. John Edward Koenig is a Contractor in Clarion, Iowa. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

609 N Main St
Clarion, IA 50525-1137
Phone: (515) 532-2728
Fax: (515) 532-2728
Show map & directions

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

Specialties & licences

Contractor (primary) Taxonomy 171W00000X

Record details

NPI number1033257639
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 3, 2007
Last updated in NPPESJuly 9, 2007
Mailing address609 N Main St, P. O. Box 143, Clarion, IA 50525-1137