NPPES file of Aug 9, 2026

Gary John Ristau, LCSW

Clinical Social Worker · Oakbrook Terrace, IL

Gary John Ristau, LCSW is a clinical social worker with a practice address in Oakbrook Terrace, Illinois, and NPI 1679691257, issued on Mar 26, 2007. 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
1679691257
Name
Gary John Ristau
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
17W705 Butterfield RD Ste B, Oakbrook Terrace, IL 60181
Phone
(630) 620-8322
Enumerated
Mar 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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 Gary John Ristau 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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Gary John Ristau among 13,637 clinical social worker records in Illinois

Gary John Ristau, LCSW is one of 13,637 clinical social worker records with a practice address in Illinois. 14% 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 2007, is newer than 10% of them.

  • NPI issued2007 · 10% of these records are older, 80% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 clinical social worker records list a practice address in Oakbrook Terrace

They are 12 of the 282 NPPES records with a practice address in Oakbrook Terrace, and 13,637 clinical social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Bonnie Burns, LCSWVilla Park, IL 601811598901407
  2. Sharon Depowski, MSW, LCSWVilla Park, IL 601811437365020
  3. Amy Garcia, LCSWOakbrook Terrace, IL 601811295104784
  4. Katlyn Girsch, LCSWOakbrook Terrace, IL 601811841721842
  5. Seth Gruenwald, LCSWOakbrook Terrace, IL 601811447651427
  6. Shannon Haut, LCSWVilla Park, IL 601811518273275
  7. Irene Medina, MSW, LCSWOakbrook Terrace, IL 601811609105568
  8. Eunice Muhammad, LCSW, BC-TMHOakbrook Terrace, IL 601811063620342

Common questions

What is Gary John Ristau, LCSW's NPI number?

Gary John Ristau, LCSW's National Provider Identifier (NPI) is 1679691257, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary John Ristau, LCSW located?

The NPPES record lists a practice address at 17W705 Butterfield RD Ste B, Oakbrook Terrace, IL, 60181. Phone: (630) 620-8322. Providers update this record themselves, so call before visiting.

How can I verify Gary John Ristau, LCSW'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.

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.