Jonathan Jeffrey Karch, D.D.S.
Dentist · Johnston, IA
Jonathan Jeffrey Karch, D.D.S. is a dentist with a practice address in Johnston, Iowa, and NPI 1013329978, issued on May 27, 2014. Check the license (Iowa DDS-09288, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Jeffrey Karch
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DDS-09288 IA
Self-reported in NPPES; status is on the state search - Practice location
- 5495 NW 100TH St, Johnston, IA 50131
- Phone
- (515) 331-1600
- Enumerated
- May 27, 2014
- Record last updated
- Dec 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (515) 207-4441
- Entity
- Type 1 · individual
8 nearest dentist records → All 726 in Iowa → Look up another NPI →
Also registered at 5495 NW 100TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Connor Elmitt, DDSDentist1942615232
Verify Jonathan Jeffrey Karch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license DDS-09288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average dentist in 2024
140 Medicare Part D claims for 52 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 19 claims were for opioids.
Most prescribed
- Amoxicillin45 claims
- Chlorhexidine Gluconate38 claims
- Hydrocodone-Acetaminophen16 claims
- Methylprednisolone14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $724.92
11 payments; by number, the most common kind was gift; the largest payer was Ultradent Products Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jonathan Jeffrey Karch among 726 dentist records in Iowa
Jonathan Jeffrey Karch, D.D.S. is one of 726 dentist records with a practice address in Iowa. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 dentist records list a practice address in Johnston
They are 6 of the 524 NPPES records with a practice address in Johnston, and 726 dentist records in Iowa.
All 726 in Iowa → Every provider in Johnston → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Matthew Bednar, DDSJohnston, IA 501311972515732
- Connor Elmitt, DDSJohnston, IA 501311942615232
- Emily Furrow, DDSJohnston, IA 501311043740012
- Derek Furrow, DDSJohnston, IA 501311285164251
- Tanner Storbeck, DDSJohnston, IA 501311437833209
- Zachary Waterbury, DDSJefferson, IA 501291043052962
- Quinn Hoversten, DDSIowa Falls, IA 501261821394529
- Paul Hoversten, DDSIowa Falls, IA 501261447354741
Common questions
What is Jonathan Jeffrey Karch, D.D.S.'s NPI number?
Jonathan Jeffrey Karch, D.D.S.'s National Provider Identifier (NPI) is 1013329978, issued on May 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Jeffrey Karch, D.D.S. located?
The NPPES record lists a practice address at 5495 NW 100TH St, Johnston, IA, 50131. Phone: (515) 331-1600. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Jeffrey Karch, D.D.S.'s license?
NPPES lists Iowa license number DDS-09288, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Jeffrey Karch, D.D.S. prescribe under Medicare Part D?
In 2024, Jonathan Jeffrey Karch, D.D.S. had 140 Medicare Part D claims for 52 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.