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

Dr. Karen Louise Onken, DC

Individual provider Chiropractor · NPI 1679835391

Dr. Karen Louise Onken, DC is a Chiropractor in Donahue, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2012
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

27350 94th Ave
Donahue, IA 52746-9702
Phone: (563) 843-2332
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence A06056 (IA)

Record details

NPI number1679835391
Entity typeIndividual (Type 1)
GenderFemale
Credentials DC
Sole proprietorYes
NPI enumeratedJune 8, 2012
Last updated in NPPESJune 8, 2012