NPPES file of Aug 9, 2026

Sandra J. Oyler, LCSW

Clinical Social Worker · Warrenville, IL

Sandra J. Oyler, LCSW is a clinical social worker with a practice address in Warrenville, Illinois, and NPI 1366693525, issued on Oct 7, 2008. Check the license (Illinois 149-009777, 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
1366693525
Name
Sandra J. Oyler
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149-009777 IL
Self-reported in NPPES; status is on the state search
Practice location
28W542 Batavia RD, Warrenville, IL 60555
Phone
(630) 393-7057
Enumerated
Oct 7, 2008
Record last updated
Dec 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(630) 393-7029
Medicare enrollment
Enrolled (PECOS I20180313000754); accepts Medicare assignment
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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Also registered at 28W542 Batavia RD

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

  1. Fiona Arthurs, LMFTMarriage & Family Therapist1053878421
  2. Sarah Fine, LCSWClinical Social Worker1467086801
  3. Therese GiolasProfessional Counselor1740552132
  4. Julia Guest, LSWSocial Worker1184112898
  5. Jennifer Gutke, LCPCMental Health Counselor1003606062
  6. Hyunmin KimMarriage & Family Therapist1861155988

Verify Sandra J. Oyler 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 149-009777
    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. Outreach Community Ministries IncWarrenville, IL

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

23 clinical social worker records list a practice address in Warrenville

They are 23 of the 517 NPPES records with a practice address in Warrenville, and 13,637 clinical social worker records in Illinois.

Other clinical social worker records in Illinois

  1. Leah A' Hearn, LCSWSavoy, IL1124790829
  2. Bruce AaronChicago, IL1013069087
  3. Melissa Aaron, LCSWWest Frankfort, IL1437505526
  4. Marcus Abate, MSWAurora, IL1679904767
  5. Nadia Abbas, LCSWChicago, IL1578176400
  6. Trisha Abbey, LCSWPalatine, IL1477970176
  7. Mary Abbott, LCSWElgin, IL1073787685
  8. Susan Abbott, LCSWOak Park, IL1235456930
  9. Ghada AbdallaChampaign, IL1235015553
  10. Samella Abdullah, PH.D.Chicago, IL1356404263

Common questions

What is Sandra J. Oyler, LCSW's NPI number?

Sandra J. Oyler, LCSW's National Provider Identifier (NPI) is 1366693525, issued on Oct 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sandra J. Oyler, LCSW located?

The NPPES record lists a practice address at 28W542 Batavia RD, Warrenville, IL, 60555. Phone: (630) 393-7057. Providers update this record themselves, so call before visiting.

How can I verify Sandra J. Oyler, LCSW's license?

NPPES lists Illinois license number 149-009777, 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.

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.