NPPES file of Aug 9, 2026

Shannon Nicole Walker, PH.D.

Clinical Psychologist · Glen Carbon, IL

Shannon Nicole Walker, PH.D. is a clinical psychologist with a practice address in Glen Carbon, Illinois, and NPI 1801020573, issued on May 11, 2009. Check the license (Illinois 071.007664, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1801020573
Name
Shannon Nicole Walker
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
071.007664 IL
Self-reported in NPPES; status is on the state search
Practice location
9 Junction Dr W, Glen Carbon, IL 62034
Phone
(618) 710-4123
Enumerated
May 11, 2009
Record last updated
Jun 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(618) 731-4082
Medicare enrollment
Enrolled (PECOS I20100715000415); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 3,947 in Illinois → Look up another NPI →

Also registered at 9 Junction Dr W

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

  1. Timothy Allen, L.C.S.W.Clinical Social Worker1346680006
  2. Rachel Daly, LCSWClinical Social Worker1659969707
  3. Victoria Ginder, LCSW, MSWClinical Social Worker1760753677
  4. Cheryl Hennig, PSY.D.Clinical Psychologist1497141048
  5. Amy Miller, LCSWClinical Social Worker1326309717
  6. Emily Mooshegian, MSW, LCSWCounselor1609329523

Verify Shannon Nicole Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 071.007664    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
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.

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Bills Medicare through one group practice

  1. Southern IL Institute OF Behavioral Health PCGlen Carbon, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shannon Nicole Walker among 3,947 clinical psychologist records in Illinois

Shannon Nicole Walker, PH.D. is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% 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 47% of them.

  • NPI issued2009 · 47% of these records are older, 50% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2007 · median 2004 among the 1,081 with a school on file
  • Record last updated2012 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 clinical psychologist records list a practice address in Glen Carbon

They are 5 of the 379 NPPES records with a practice address in Glen Carbon, and 3,947 clinical psychologist records in Illinois.

All 3,947 in Illinois → Every provider in Glen Carbon → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Marissa Gowey, PHDGlen Carbon, IL 620341033694310
  2. Cheryl Hennig, PSY.D.Glen Carbon, IL 620341497141048
  3. Jon NovotneyGlen Carbon, IL 620341922259621
  4. David Wells, PH.DGlen Carbon, IL 620341881628782
  5. Harry Deppe, PHDEdwardsville, IL 620251689667503
  6. Alexander James, PH.D.Edwardsville, IL 620251912009846
  7. Bryce Sullivan, PH.D.Edwardsville, IL 620251093886236
  8. Rachel Tompkins, PH.D.Edwardsville, IL 620251114039435

Common questions

What is Shannon Nicole Walker, PH.D.'s NPI number?

Shannon Nicole Walker, PH.D.'s National Provider Identifier (NPI) is 1801020573, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Nicole Walker, PH.D. located?

The NPPES record lists a practice address at 9 Junction Dr W, Glen Carbon, IL, 62034. Phone: (618) 710-4123. Providers update this record themselves, so call before visiting.

How can I verify Shannon Nicole Walker, PH.D.'s license?

NPPES lists Illinois license number 071.007664, as entered by the provider. 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. Medicare files from data.cms.gov. 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.