Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew C Koenen, DC
Chiropractor in Grinnell, IA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528160975
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Registry record
Entity type Individual (Type 1)
Name Matthew C Koenen
Credential DC
Sex Male
Practice address 933 West St, Grinnell, IA, 50112
Phone (641) 236-7565
Enumeration date Sep 5, 2006
Last updated in NPPES Nov 12, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 47072 | Other | IA | WELLMARK BCBS |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Matthew Koenen practice?
The practice location on file with NPPES is in Grinnell, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Koenen?
The National Provider Identifier (NPI) for Matthew Koenen is 1528160975, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-12.