Registry data as of Aug 27, 2026

John Graub, PSY.D.

Clinical Neuropsychologist · Algonquin, IL

John Graub, PSY.D. is a clinical neuropsychologist with a practice address in Algonquin, Illinois, and NPI 1669021986, issued on Sep 9, 2019. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordas of Aug 27, 2026
1669021986
Name
John Graub
Credential
PSY.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
Practice location
1451 Merchant Dr, Algonquin, IL 60102
Phone
(847) 469-7537
Enumerated
Sep 9, 2019
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 1451 Merchant Dr

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

  1. Sharlet Anderson, PH.D.Intellectual & Developmental Disabilities Psychologist1528432044
  2. Nickolas Armstrong, PSY.D.Clinical Psychologist1205443975
  3. Christina Blodgett, PH.D.Clinical Neuropsychologist1003092008
  4. David Charles, PHDClinical Neuropsychologist1629526983
  5. Jennifer Christopher, PSYDClinical Psychologist1609583889
  6. Lynda DinhChiropractor1760490189

Verify John Graub 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.

One hospital or facility affiliation

  1. Thomson Memory Center LLCPark Ridge, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

10 clinical neuropsychologist records list a Algonquin practice address

They are 10 of the 483 NPPES records with a Algonquin practice address, and 232 clinical neuropsychologist records in Illinois.

Other clinical neuropsychologist records in Illinois

  1. Danielle Abi-Saab, PSY.DArlington Heights, IL1942391420
  2. Terry-Ann Adjmul-Hislop, PHDGlenview, IL1891359204
  3. Courtenay Ainsworth, PH.D.Chicago, IL1306109244
  4. Arielle Albert, PH.D.Chicago, IL1417383209
  5. Alia Ammar, PH.D.Lake Barrington, IL1144388455
  6. Hayley Amsbaugh, PHDSt Charles, IL1407515950
  7. Jim Andrikopoulos, PH.D.Winfield, IL1225142094
  8. Patricia Andrise, PHDHinsdale, IL1669455408
  9. Michael Appleby, PH.D.Hinsdale, IL1396725909
  10. Kathleen Ares, PSY.D.Oak Lawn, IL1538690466

Common questions

What is John Graub, PSY.D.'s NPI number?

John Graub, PSY.D.'s National Provider Identifier (NPI) is 1669021986, issued on Sep 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Graub, PSY.D. located?

The NPPES record lists a practice address at 1451 Merchant Dr, Algonquin, IL, 60102. Phone: (847) 469-7537. Providers update this record themselves, so call before visiting.

How can I verify John Graub, PSY.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. Medicare files from data.cms.gov. 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.