NPPES file of Aug 9, 2026

Cassandra Dierker, M.S.

Counselor · Quincy, IL

Cassandra Dierker, M.S. is a counselor with a practice address in Quincy, Illinois, and NPI 1437402385, issued on Oct 16, 2012. 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437402385
Name
Cassandra Dierker
Credential
M.S.
Primary taxonomy
Counselor 101Y00000X
Practice location
4604 Jayden CT, Quincy, IL 62305
Phone
(417) 464-9254
Enumerated
Oct 16, 2012
Record last updated
Oct 16, 2012 (not updated in 14 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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Verify Cassandra Dierker 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
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52 counselor records list a practice address in Quincy

They are 52 of the 1,336 NPPES records with a practice address in Quincy, and 3,805 counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 52 in Quincy → All 3,805 in Illinois → Every provider in Quincy →

Other counselor records in Illinois

  1. Cedric A Bussie, LCPCHomewood, IL1518855535
  2. Gina AaldersSummit, IL1578950135
  3. Gina Abbeduto, LCPCMinooka, IL1477649028
  4. Rosa AbbruscatoFranklin Park, IL1700333259
  5. Natalie AbdullahChicago, IL1629732789
  6. Chloe Abelev, MSWBelleville, IL1144785700
  7. Kalea Abernathy, LPCChicago, IL1528826013
  8. Jason AbramsChampaign, IL1790247443
  9. Jaclyn Abramson, LCPCDeerfield, IL1477367340
  10. Samantha AbrashkinWaukegan, IL1568999167

Common questions

What is Cassandra Dierker, M.S.'s NPI number?

Cassandra Dierker, M.S.'s National Provider Identifier (NPI) is 1437402385, issued on Oct 16, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Dierker, M.S. located?

The NPPES record lists a practice address at 4604 Jayden CT, Quincy, IL, 62305. Phone: (417) 464-9254. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Dierker, M.S.'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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.