Registry data as of Aug 27, 2026

Dennis Dietzen

Clinical Laboratory Director (Non-physician) · Glen Carbon, IL

Dennis Dietzen is a clinical laboratory director (non-physician) with a practice address in Glen Carbon, Illinois, and NPI 1598475592, issued on Nov 30, 2022. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598475592
Name
Dennis Dietzen
Primary taxonomy
Clinical Laboratory Director (Non-physician) 247ZC0005X
Practice location
203 Sierra PT, Glen Carbon, IL 62034
Phone
(618) 971-8827
Enumerated
Nov 30, 2022
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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Verify Dennis Dietzen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
Find the Illinois 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.

Clinical Laboratory Director (Non-physician) providers in Illinois

There are 27 clinical laboratory director (non-physician) records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical laboratory director (non-physician) records in Illinois

  1. Steven Abu Shaqra, DOCTOR, PHDChicago, IL1144816356
  2. Wazeen Abuawad, LAB DIRECTORBurbank, IL1699429316
  3. Deanna Franke, PHD, DABCCChicago, IL1740687482
  4. Myra Garner-HughesPeoria, IL1841943990
  5. Valentinas GruzdysItasca, IL1497515795
  6. Rodney HarrisChicago, IL1275285348
  7. Christina HernandezHomer Glen, IL1760132658
  8. Chak-Sum Ho, PHD, F(ACHI), FAACCItasca, IL1700523206
  9. Anthony Holmes, GEDDolton, IL1588315048
  10. Hamid JavedGrayslake, IL1962163329

Common questions

What is Dennis Dietzen's NPI number?

Dennis Dietzen's National Provider Identifier (NPI) is 1598475592, issued on Nov 30, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Dietzen located?

The NPPES record lists a practice address at 203 Sierra PT, Glen Carbon, IL, 62034. Phone: (618) 971-8827. Providers update this record themselves, so call before visiting.

How can I verify Dennis Dietzen's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.