NPPES file of Aug 9, 2026

Karlee Williams, LSW

Social Worker · Libertyville, IL

Karlee Williams, LSW is a social worker with a practice address in Libertyville, Illinois, and NPI 1164934113, issued on Oct 31, 2017. Check the license (Illinois 150.102588, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164934113
Name
Karlee Williams
Credential
LSW
Primary taxonomy
Social Worker 104100000X
License number
150.102588 IL
Self-reported in NPPES; status is on the state search
Practice location
1580 S Milwaukee Ave Ste 307, Libertyville, IL 60048
Phone
(847) 557-0645
Enumerated
Oct 31, 2017
Record last updated
Oct 31, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest social worker records → All 5,881 in Illinois → Look up another NPI →

Also registered at 1580 S Milwaukee Ave Ste 307

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

  1. Lauren Cavelli, MA, LCPC, NCCProfessional Counselor1194323022
  2. Andrea Freberg, LPCProfessional Counselor1477183838
  3. Drew Mjoen, M.A., LCPCProfessional Counselor1306993522
  4. Sarah StummeClinical Social Worker1952900722
  5. Lucas Tillett, LPCMental Health Counselor1356860282
  6. Martha Weil, MA, LPCCounselor1891410023

Verify Karlee Williams 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 150.102588    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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Karlee Williams among 5,881 social worker records in Illinois

Karlee Williams, LSW is one of 5,881 social worker records with a practice address in Illinois. 3% 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 2017, is newer than 25% of them.

  • NPI issued2017 · 25% of these records are older, 72% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2017 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 social worker records list a practice address in Libertyville

They are 20 of the 1,361 NPPES records with a practice address in Libertyville, and 5,881 social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,881 in Illinois → Every provider in Libertyville → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Sandy Asoofi, MSWLibertyville, IL 600481023861317
  2. Jennifer Christensen, MSW LSW CFRCLibertyville, IL 600481528863594
  3. Yuri FernandezLibertyville, IL 600481316719271
  4. Ann Fulk, MSWLibertyville, IL 600481104507151
  5. Amunn Jaffery, LSWLibertyville, IL 600481649004284
  6. Matthew Klestinski, D CLibertyville, IL 600481366557225
  7. Emily KormanLibertyville, IL 600481306626668
  8. Syrena McKay, LSWLibertyville, IL 600481053139543

Common questions

What is Karlee Williams, LSW's NPI number?

Karlee Williams, LSW's National Provider Identifier (NPI) is 1164934113, issued on Oct 31, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Karlee Williams, LSW located?

The NPPES record lists a practice address at 1580 S Milwaukee Ave Ste 307, Libertyville, IL, 60048. Phone: (847) 557-0645. Providers update this record themselves, so call before visiting.

How can I verify Karlee Williams, LSW's license?

NPPES lists Illinois license number 150.102588, 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.

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.