Registry data as of Aug 27, 2026

Matthew Denis, PH.D.

Clinical Psychologist · Carbondale, IL

Matthew Denis, PH.D. is a clinical psychologist with a practice address in Carbondale, Illinois, and NPI 1043223613, issued on Aug 14, 2006. 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
1043223613
Name
Matthew Denis
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
3412 S Illinois Ave, Carbondale, IL 62903
Phone
(618) 457-4488
Enumerated
Aug 14, 2006
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 3412 S Illinois Ave

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

  1. Donald Doty, PH.D.Clinical Psychologist1235145426
  2. Karla Fehr, PH.D.Clinical Child & Adolescent Psychologist1255711438
  3. Jeffrey Kellogg, PSY.DClinical Psychologist1093740862
  4. Jodie Kennedy, L.C.S.W.Clinical Social Worker1083930705
  5. Susan Ramirez, PH.D.Psychologist1588014633
  6. Paul Shawler, PH.D.Addiction (Substance Use Disorder) Psychologist1417440173

Verify Matthew Denis 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.

21 clinical psychologist records list a Carbondale practice address

They are 21 of the 1,088 NPPES records with a Carbondale practice address, and 3,655 clinical psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in Illinois

  1. Kathy Abbott, PSYDEvergreen Park, IL1922188929
  2. Lamese AbdelhamidOrland Park, IL1992671440
  3. James Abec, PH.D.Lombard, IL1770791907
  4. Allison Abel, PSY.DHines, IL1003638040
  5. William Aber, PH.D.Chicago, IL1598777187
  6. Leslie Abrams, PH.D.Deerfield, IL1861558348
  7. Dayna Abramson, PSYDRomeoville, IL1891523502
  8. Huda Abuasi, PSY.D.Orland Park, IL1841312808
  9. Melissa Ackerman, PSYDDes Plaines, IL1437198132
  10. Na'Ama Adam Wasserman, PSY.D.Chicago, IL1790325744

Common questions

What is Matthew Denis, PH.D.'s NPI number?

Matthew Denis, PH.D.'s National Provider Identifier (NPI) is 1043223613, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Denis, PH.D. located?

The NPPES record lists a practice address at 3412 S Illinois Ave, Carbondale, IL, 62903. Phone: (618) 457-4488. Providers update this record themselves, so call before visiting.

How can I verify Matthew Denis, PH.D.'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.