NPPES file of Aug 9, 2026

Theresa Hefner, LCSW

Clinical Social Worker · Downers Grove, IL

Theresa Hefner, LCSW is a clinical social worker with a practice address in Downers Grove, Illinois, and NPI 1528706090, issued on May 24, 2022. Check the license (Illinois 149024229, 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
1528706090
Name
Theresa Hefner
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149024229 IL
Self-reported in NPPES; status is on the state search
Practice location
5151 Mochel Dr Ste 304, Downers Grove, IL 60515
Phone
(630) 343-9396
Enumerated
May 24, 2022
Record last updated
May 9, 2023
Medicare enrollment
Enrolled (PECOS I20230208001083); 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 social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 5151 Mochel Dr Ste 304

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

  1. Sheila DaltonMental Health Counselor1356052096
  2. Fiona Gaudio, MSWClinical Social Worker1689568529
  3. Donna Hir, MA, LCPCProfessional Counselor1255840526
  4. Heather McPherson, LCPC, MSMental Health Counselor1710675806
  5. Celia Owens, LCPCProfessional Counselor1386134716
  6. Jonathan RyanProfessional Counselor1093257222

Verify Theresa Hefner 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 149024229    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. Emh Dupage PLLCDowners Grove, IL

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

Theresa Hefner among 13,637 clinical social worker records in Illinois

Theresa Hefner, 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. Its NPI, issued in 2022, is newer than 75% of them.

  • NPI issued2022 · 75% of these records are older, 19% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2019 · median 2010 among the 2,895 with a school on file
  • Record last updated2023 · 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).

86 clinical social worker records list a practice address in Downers Grove

They are 86 of the 1,899 NPPES records with a practice address in Downers Grove, and 13,637 clinical social worker records in Illinois.

All 13,637 in Illinois → Every provider in Downers Grove → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Christine Bonavolante, LCSWDowners Grove, IL 605151235292210
  2. Jo Duren-Sampson, LCSWDowners Grove, IL 605151457305526
  3. Kathleen Jacob, L.C.S.WDowners Grove, IL 605151700865128
  4. Jennifer Kors, L.C.S.W.Downers Grove, IL 605151679618417
  5. Arlene Langley, LCSWDowners Grove, IL 605151841389954
  6. Daniel Lippmann, LCSWDowners Grove, IL 605151447432034
  7. Jennifer Logston, MSW, LCSWDowners Grove, IL 605151841304094
  8. Cheryl Long, LCSWDowners Grove, IL 605151285680090

Common questions

What is Theresa Hefner, LCSW's NPI number?

Theresa Hefner, LCSW's National Provider Identifier (NPI) is 1528706090, issued on May 24, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Theresa Hefner, LCSW located?

The NPPES record lists a practice address at 5151 Mochel Dr Ste 304, Downers Grove, IL, 60515. Phone: (630) 343-9396. Providers update this record themselves, so call before visiting.

How can I verify Theresa Hefner, LCSW's license?

NPPES lists Illinois license number 149024229, 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.