NPPES file of Aug 9, 2026

Alyssa Pearlstein, LCSW

Clinical Social Worker · Chicago, IL

Alyssa Pearlstein, LCSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1144882259, issued on Jun 28, 2019. Check the license (Illinois 149.021563, 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
1144882259
Name
Alyssa Pearlstein
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
149.021563 IL
150.102668 IL
Self-reported in NPPES; status is on the state search
Practice location
9831 S Western Ave, Chicago, IL 60643
Phone
(773) 445-3500
Enumerated
Jun 28, 2019
Record last updated
Nov 25, 2022
Medicare enrollment
Enrolled (PECOS I20191031001687); 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 9831 S Western Ave

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

  1. Robert Anthony, PAPhysician Assistant1518049220
  2. Evelyn Bell, M.D.Family Medicine Physician1063526242
  3. Mylaun Blackwell, MDInternal Medicine Physician1841993102
  4. Richard Bone, M.D.Gastroenterology Physician1407887938
  5. Patrice Burch, MDFamily Medicine Physician1679508071
  6. Patricia Burke, M.D.Geriatric Medicine (Internal Medicine) Physician1518042787

Verify Alyssa Pearlstein 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 149.021563    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. Advocate Health And Hospitals CorporationChicago, IL

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

Alyssa Pearlstein among 13,637 clinical social worker records in Illinois

Alyssa Pearlstein, 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 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 updated2022 · 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).

4,368 clinical social worker records list a practice address in Chicago

They are 4,368 of the 63,379 NPPES records with a practice address in Chicago, and 13,637 clinical social worker records in Illinois.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. John Andrich, LCSWChicago, IL 606431912128166
  2. Haneefah Booker, LCSWChicago, IL 606431780780353
  3. Lisa Catania, M.S.W., L.C.S.W.Chicago, IL 606431336210590
  4. Frederick Gross, MSWChicago, IL 606431568445286
  5. Rochelle Johnson, LCSWChicago, IL 606431285781856
  6. Yolanda Jordan, LCSWChicago, IL 606431457457897
  7. Kimberly Langston, LCSWChicago, IL 606431700910304
  8. Gwedndolyn Marshall, LCSWChicago, IL 606431114051802

Common questions

What is Alyssa Pearlstein, LCSW's NPI number?

Alyssa Pearlstein, LCSW's National Provider Identifier (NPI) is 1144882259, issued on Jun 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Pearlstein, LCSW located?

The NPPES record lists a practice address at 9831 S Western Ave, Chicago, IL, 60643. Phone: (773) 445-3500. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Pearlstein, LCSW's license?

NPPES lists Illinois license number 149.021563, 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.