John C. Kortenber Optometry PC
About this NPIWhat this record shows.
NPI 1134172430 is registered to John C. Kortenber Optometry PC, a healthcare organisation classified as "Optometrist" and located at 112 N Thorington St in Algona, Iowa. The organisation's authorised official is John Kortenber. The organisation has been enumerated in the NPI registry since 2006.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Part B Supplier
- O20060601000033Clinic/Group PracticeIA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans John C. Kortenber Optometry PC accepts. To confirm in-network status with your specific health plan, contact John C. Kortenber Optometry PC directly at (515) 395-3937.
Frequently asked
Yes. NPI 1134172430 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (515) 395-3937.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. John C. Kortenber Optometry PC is a Type-2 organisational NPI.