NPPES file of Aug 9, 2026

Valerie Duff, LCSW

Clinical Social Worker · Mount Vernon, IL

Valerie Duff, LCSW is a clinical social worker with a practice address in Mount Vernon, Illinois, and NPI 1457725459, issued on Nov 14, 2015. Check the license (Illinois 149.016670, 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
1457725459
Name
Valerie Duff
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149.016670 IL
Self-reported in NPPES; status is on the state search
Practice location
1 Good Samaritan Way, Mount Vernon, IL 62864
Phone
(618) 899-4518
Enumerated
Nov 14, 2015
Record last updated
Nov 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160104000585); 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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8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 1 Good Samaritan Way

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

  1. Keri Ashmore, NPFamily Nurse Practitioner1891593315
  2. Allison BaldwinStudent in an Organized Health Care Education/Training Program1285425405
  3. Nicole Boyd, FNP-BCFamily Nurse Practitioner1710439112
  4. Nicholas BurkeEmergency Medicine Physician1174144364
  5. Derek Burns, PHARMDPharmacist1154797298
  6. Hitanshu Chawla, M.D.Internal Medicine Physician1942645692

Verify Valerie Duff 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 149.016670    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. Live Well Counseling ServicesCoulterville, IL

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

Valerie Duff among 13,637 clinical social worker records in Illinois

Valerie Duff, 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 2015, is newer than 41% of them.

  • NPI issued2015 · 41% of these records are older, 54% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2003 · median 2010 among the 2,895 with a school on file
  • Record last updated2015 · 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).

24 clinical social worker records list a practice address in Mount Vernon

They are 24 of the 578 NPPES records with a practice address in Mount Vernon, and 13,637 clinical social worker records in Illinois.

All 13,637 in Illinois → Every provider in Mount Vernon → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Lindsey Adams Greenwalt, M.S.W. L.C.S.W.Mount Vernon, IL 628641164753281
  2. Amy Barton, L.C.S.W.Mount Vernon, IL 628641376768531
  3. Curtis Boehne, MSW, LCSWMount Vernon, IL 628641023110848
  4. Stacie Carr, LCSWMount Vernon, IL 628641093034415
  5. Carrie Crocker, MSW, LCSWMount Vernon, IL 628641972657187
  6. Twana Curry, L.C.S.W.Mount Vernon, IL 628641649591751
  7. Merenda Dale, LCSWMt Vernon, IL 628641518177922
  8. Tom Duff, LCSWMount Vernon, IL 628641467771907

Common questions

What is Valerie Duff, LCSW's NPI number?

Valerie Duff, LCSW's National Provider Identifier (NPI) is 1457725459, issued on Nov 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Valerie Duff, LCSW located?

The NPPES record lists a practice address at 1 Good Samaritan Way, Mount Vernon, IL, 62864. Phone: (618) 899-4518. Providers update this record themselves, so call before visiting.

How can I verify Valerie Duff, LCSW's license?

NPPES lists Illinois license number 149.016670, 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.