NPPES file of Aug 9, 2026

Gerard David Widmann, PSYD

Clinical Neuropsychologist · Naperville, IL

Gerard David Widmann, PSYD is a clinical neuropsychologist with a practice address in Naperville, Illinois, and NPI 1740891282, issued on Aug 10, 2020. Check the license (Illinois 071010323, as entered in NPPES) 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
1740891282
Name
Gerard David Widmann
Credential
PSYD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
071010323 IL
Self-reported in NPPES; status is on the state search
Practice location
640 S Washington St, Naperville, IL 60540
Phone
(815) 942-6323
Enumerated
Aug 10, 2020
Record last updated
Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(779) 210-5541
Medicare enrollment
Enrolled (PECOS I20200902001225); 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 neuropsychologist records → All 248 in Illinois → Look up another NPI →

Also registered at 640 S Washington St

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

  1. Robert Allanson, M.S., LCPC, CADCProfessional Counselor1851787154
  2. Shannon Allegretti, PSY.D.Clinical Psychologist1407989080
  3. Kristina Anderson, LCSWClinical Social Worker1861049611
  4. Matthew Atkinson, LCPCProfessional Counselor1487226734
  5. Lisa Borgealt, D.C., APNNurse Practitioner1003107350
  6. Lauren Campbell, MSW, LSW, QMHPSocial Worker1659807196

Verify Gerard David Widmann 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 071010323    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

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Gerard David Widmann among 248 clinical neuropsychologist records in Illinois

Gerard David Widmann, PSYD is one of 248 clinical neuropsychologist records with a practice address in Illinois. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 78% of them.

  • NPI issued2020 · 78% of these records are older, 18% newer
  • In a Medicare fileNo · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2016 · median 2013 among the 115 with a school on file
  • Record last updated2021 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in Illinois

There are 248 clinical neuropsychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 248 in Illinois → Every provider in Naperville → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Katherine Borchardt, PSY.D.Lisle, IL 605321275659732
  2. Kelly Johnson, PSY.D.Warrenville, IL 605551033254164
  3. Karla McNamaraCountryside, IL 605251790025542
  4. Kyle Bonesteel, PHDOak Brook, IL 605231194704213
  5. Meghan Cahill, PSYDOak Brook, IL 605231457073496
  6. Amina Homeidan, PSY.DOak Brook, IL 605231386103570
  7. Stefan Latulip, PH.D.Oak Brook, IL 605231760101125
  8. Christie Lauch, PSY.D.Oak Brook, IL 605231790522480

Common questions

What is Gerard David Widmann, PSYD's NPI number?

Gerard David Widmann, PSYD's National Provider Identifier (NPI) is 1740891282, issued on Aug 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Gerard David Widmann, PSYD located?

The NPPES record lists a practice address at 640 S Washington St, Naperville, IL, 60540. Phone: (815) 942-6323. Providers update this record themselves, so call before visiting.

How can I verify Gerard David Widmann, PSYD's license?

NPPES lists Illinois license number 071010323, 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. 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.