NPPES file of Aug 9, 2026

Marla Williams

Clinical Social Worker · Anna, IL

Marla Williams is a clinical social worker with a practice address in Anna, Illinois, and NPI 1033764881, issued on Aug 8, 2019. Check the license 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
1033764881
Name
Marla Williams
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
513 N Main St, Anna, IL 62906
Phone
(618) 833-4471
Enumerated
Aug 8, 2019
Record last updated
Jul 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(618) 833-4900
Medicare enrollment
Enrolled (PECOS I20200917000301); 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 513 N Main St

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

  1. Derrik AbellPhysician Assistant1821618471
  2. Lindsey Adams, PAPhysician Assistant1336799691
  3. Alaa Alshair, BDS, CAGS, MSCDDentist1508519281
  4. Morgan AthertonRegistered Dietitian1609414069
  5. Halley Barke, PACPhysician Assistant1669612438
  6. Keith Bass, NP-CFamily Nurse Practitioner1114440179

Verify Marla Williams 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
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. Rural Health, Inc.Dongola, IL

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

Marla Williams among 13,637 clinical social worker records in Illinois

Marla Williams 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 2019, is newer than 59% of them.

  • NPI issued2019 · 59% of these records are older, 36% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2017 · median 2010 among the 2,895 with a school on file
  • Record last updated2020 · 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).

13 clinical social worker records list a practice address in Anna

They are 13 of the 187 NPPES records with a practice address in Anna, and 13,637 clinical social worker records in Illinois.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Alison Brown, MSW, LCSWAnna, IL 629061609302165
  2. Abigail Cowser-Barnett, LCSWAnna, IL 629061538087689
  3. Danuta Delrio, MSED CRC LCPCAnna, IL 629061659592863
  4. Cynthia Flamm, LCSWAnna, IL 629061891223533
  5. Dennis Gade, LCSW, CADCAnna, IL 629061952066656
  6. Olivia HandAnna, IL 629061316599442
  7. Kimberly Honey, LCSWAnna, IL 629061013303064
  8. Ginger Meyer, LCSWAnna, IL 629061699192526

Common questions

What is Marla Williams's NPI number?

Marla Williams's National Provider Identifier (NPI) is 1033764881, issued on Aug 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Marla Williams located?

The NPPES record lists a practice address at 513 N Main St, Anna, IL, 62906. Phone: (618) 833-4471. Providers update this record themselves, so call before visiting.

How can I verify Marla Williams'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. 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.