NPPES file of Aug 9, 2026

Kathryn K. Dierks, D.O.

Emergency Medicine Physician · Cedar Rapids, IA

Kathryn K. Dierks, D.O. is an emergency medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1013143999, issued on Jun 4, 2009. Check the license (Iowa DO-04179, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013143999
Name
Kathryn K. Dierks
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
DO-04179 IA
4179 IA
R-8630 IA
Self-reported in NPPES; status is on the state search
Practice location
1026 A Ave NE, Cedar Rapids, IA 52402
Phone
(319) 369-8600
Enumerated
Jun 4, 2009
Record last updated
Feb 24, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1026 A Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amina AbdullahFamily Nurse Practitioner1598420747
  2. Megan Adams Rieck, PHDClinical Neuropsychologist1558568469
  3. Vladimir Adloff, MDAnatomic Pathology & Clinical Pathology Physician1841266103
  4. Sayeed Ahmed, MDFamily Medicine Physician1609229657
  5. Mushtaq Ali, MDInternal Medicine Physician1457655979
  6. Thomas Amosson, MDHospitalist Physician1942670179

Verify Kathryn K. Dierks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license DO-04179
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

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9% fewer Medicare Part D claims than the average emergency medicine physician in 2024

206 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 49 claims were for opioids.

  1. Kathryn Dierks206
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen38 claims
  2. Cephalexin26 claims
  3. Amoxicillin-Clavulanate Potass16 claims
  4. Azithromycin12 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.

Kathryn K. Dierks among 509 emergency medicine physician records in Iowa

Kathryn K. Dierks, D.O. is one of 509 emergency medicine physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 50% of them.

  • NPI issued2009 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 emergency medicine physician records list a practice address in Cedar Rapids

They are 61 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 509 emergency medicine physician records in Iowa.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alan Brinkmann, MDCedar Rapids, IA 524021629044474
  2. Anthony Carter, DOCedar Rapids, IA 524021386610947
  3. Jeffrey Curnes, DOCedar Rapids, IA 524021831165695
  4. Tanya Decker, MDCedar Rapids, IA 524021528034386
  5. Ryan Dowden, MDCedar Rapids, IA 524021700830726
  6. Yasir Elhawi, MDCedar Rapids, IA 524021225085418
  7. Steven Gorsch, MDCedar Rapids, IA 524021972579548
  8. Larry Helvey, MDCedar Rapids, IA 524021396711164

Common questions

What is Kathryn K. Dierks, D.O.'s NPI number?

Kathryn K. Dierks, D.O.'s National Provider Identifier (NPI) is 1013143999, issued on Jun 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn K. Dierks, D.O. located?

The NPPES record lists a practice address at 1026 A Ave NE, Cedar Rapids, IA, 52402. Phone: (319) 369-8600. Providers update this record themselves, so call before visiting.

How can I verify Kathryn K. Dierks, D.O.'s license?

NPPES lists Iowa license number DO-04179, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathryn K. Dierks, D.O. prescribe under Medicare Part D?

In 2024, Kathryn K. Dierks, D.O. had 206 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.