HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IA

MATTHEW C KOENEN, DC

CHIROPRACTIC

Medical school: PALMER COLLEGE CHIROPRACTIC - DAVENPORT

Graduated: 1997

NPI: 1528160975

Practice Locations (1)

933 W ST

GRINNELL, IA 501122185

6412367565

Source: CMS National Downloadable File, September 2026.

MATTHEW KOENEN, DC | HealthCareAtlasUSA