NPPES file of Aug 9, 2026

Randall Craig Dieleman, DO

Emergency Medicine Physician · Ottumwa, IA

Randall Craig Dieleman, DO is an emergency medicine physician with a practice address in Ottumwa, Iowa, and NPI 1538709985, issued on Jan 14, 2020. Check the license (Iowa 02126, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1538709985
Name
Randall Craig Dieleman
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
02126 IA
Self-reported in NPPES; status is on the state search
Practice location
1001 Pennsylvania Ave, Ottumwa, IA 52501
Phone
(641) 684-3173
Enumerated
Jan 14, 2020
Record last updated
Jan 14, 2020 (not updated in 6 years: call before relying on the address or phone)
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 1001 Pennsylvania Ave

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

  1. Shelley Bechtel, FNP-BCFamily Nurse Practitioner1245601087
  2. Maxwell Bodholdt, DPTPhysical Therapist1639904279
  3. Jonathan Cardon, RNAdult Psychiatric/Mental Health Registered Nurse1275372955
  4. Donald Conklin, M.D.Internal Medicine Physician1285613323
  5. Jennifer Cook, CRNAAnesthesiology Physician1659877066
  6. Lisa Cox, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1861733586

Verify Randall Craig Dieleman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 02126
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Emergency Medicine Physician providers in Iowa

There are 509 emergency medicine physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other emergency medicine physician records in Iowa

  1. Javaid Abbasi, D.O.Des Moines, IA1831127562
  2. Agustin Aguilar, MDIowa City, IA1649252503
  3. Mohan Akella, MDKnoxville, IA1346239597
  4. Omar Alazem, DODavenport, IA1780320697
  5. Jeffrey Allgood, MDMuscatine, IA1336122308
  6. Hiba Anaqrah, MDIowa City, IA1417516428
  7. Karl Anderson, DOCedar Rapids, IA1679533004
  8. Samantha Anderson, DOIowa City, IA1538095435
  9. Unique Andres, MDIowa City, IA1568155232
  10. John Ankeny, D.O.Des Moines, IA1609943166

Common questions

What is Randall Craig Dieleman, DO's NPI number?

Randall Craig Dieleman, DO's National Provider Identifier (NPI) is 1538709985, issued on Jan 14, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Randall Craig Dieleman, DO located?

The NPPES record lists a practice address at 1001 Pennsylvania Ave, Ottumwa, IA, 52501. Phone: (641) 684-3173. Providers update this record themselves, so call before visiting.

How can I verify Randall Craig Dieleman, DO's license?

NPPES lists Iowa license number 02126, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.