Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jonathan Jeffrey Karch, D.D.S.
Dentist in Johnston, IA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013329978
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Registry record
Entity type Individual (Type 1)
Name Dr. Jonathan Jeffrey Karch
Credential D.D.S.
Sex Male
Practice address 5495 Nw 100th St, Johnston, IA, 50131
Phone (515) 331-1600
Fax (515) 207-4441
Enumeration date May 27, 2014
Last updated in NPPES Dec 2, 2019
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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
What is the NPI number for Jonathan Karch?
The National Provider Identifier (NPI) for Jonathan Karch is 1013329978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jonathan Karch practice?
The practice location on file with NPPES is in Johnston, IA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-02.