Tom Andrew Duff, LCSW
Clinical Social Worker · Mount Vernon, IL
Tom Andrew Duff, LCSW is a clinical social worker with a practice address in Mount Vernon, Illinois, and NPI 1467771907, issued on May 24, 2010. Check the license (Illinois 149.014048, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Tom Andrew Duff
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 149.014048 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2023 Richview RD, Mount Vernon, IL 62864
- Phone
- (618) 242-1070
- Enumerated
- May 24, 2010
- Record last updated
- May 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (618) 242-9381
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →
Also registered at 2023 Richview RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher LucasProfessional Counselor1649495680
- Tammy SweetProfessional Counselor1811479942
Verify Tom Andrew Duff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149.014048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tom Andrew Duff among 13,637 clinical social worker records in Illinois
Tom Andrew 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 not. Its NPI, issued in 2010, is newer than 26% of them.
- NPI issued2010 · 26% of these records are older, 71% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- Lindsey Adams Greenwalt, M.S.W. L.C.S.W.Mount Vernon, IL 628641164753281
- Amy Barton, L.C.S.W.Mount Vernon, IL 628641376768531
- Curtis Boehne, MSW, LCSWMount Vernon, IL 628641023110848
- Stacie Carr, LCSWMount Vernon, IL 628641093034415
- Carrie Crocker, MSW, LCSWMount Vernon, IL 628641972657187
- Twana Curry, L.C.S.W.Mount Vernon, IL 628641649591751
- Merenda Dale, LCSWMt Vernon, IL 628641518177922
- Maranda Stachyra, MSW, LCSWMt Vernon, IL 628641831392570
Common questions
What is Tom Andrew Duff, LCSW's NPI number?
Tom Andrew Duff, LCSW's National Provider Identifier (NPI) is 1467771907, issued on May 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tom Andrew Duff, LCSW located?
The NPPES record lists a practice address at 2023 Richview RD, Mount Vernon, IL, 62864. Phone: (618) 242-1070. Providers update this record themselves, so call before visiting.
How can I verify Tom Andrew Duff, LCSW's license?
NPPES lists Illinois license number 149.014048, 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. 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.