NPPES file of Aug 9, 2026

Diamond Flournoy, LCSW

Clinical Social Worker · Chicago, IL

Diamond Flournoy, LCSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1477449288, issued on Jun 17, 2025. Check the license (Illinois 149.026966, 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
1477449288
Name
Diamond Flournoy
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149.026966 IL
Self-reported in NPPES; status is on the state search
Practice location
680 N Lake Shore Dr, Chicago, IL 60611
Phone
(630) 697-7780
Enumerated
Jun 17, 2025
Record last updated
Jul 3, 2025
Medicare enrollment
Enrolled (PECOS I20251208002871); may accept 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 680 N Lake Shore Dr

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

  1. Michael Abecassis, MDTransplant Surgery Physician1134117377
  2. Yolanda Adler, MDDiagnostic Radiology Physician1518957760
  3. Brian Adley, MDAnatomic Pathology & Clinical Pathology Physician1932151966
  4. Mohamed Afifi, MDCritical Care Medicine (Anesthesiology) Physician1922098524
  5. Erin Agins, M.D.Obstetrics & Gynecology Physician1407118383
  6. Abby Agulnek, DOHospitalist Physician1689662942

Verify Diamond Flournoy 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 149.026966    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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Diamond Flournoy among 13,637 clinical social worker records in Illinois

Diamond Flournoy, 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2019 · median 2010 among the 2,895 with a school on file
  • Record last updated2025 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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. Diane Breslow, LCSWChicago, IL 606111790750909
  2. Susan Cornelius, L.C.S.W.Chicago, IL 606111801966700
  3. Deborah Gessner, MA LCSWChicago, IL 606111861475253
  4. John Henson, LCSWChicago, IL 606111194838623
  5. Jeremy Hisaw, LCSWChicago, IL 606111083701429
  6. Nora Ishibashi, M.S.W., PH.D.Chicago, IL 606111366515124
  7. Loren Mercola, LCSWChicago, IL 606111437251980
  8. Hillery Morris, LCSWChicago, IL 606111144339045

Common questions

What is Diamond Flournoy, LCSW's NPI number?

Diamond Flournoy, LCSW's National Provider Identifier (NPI) is 1477449288, issued on Jun 17, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Diamond Flournoy, LCSW located?

The NPPES record lists a practice address at 680 N Lake Shore Dr, Chicago, IL, 60611. Phone: (630) 697-7780. Providers update this record themselves, so call before visiting.

How can I verify Diamond Flournoy, LCSW's license?

NPPES lists Illinois license number 149.026966, 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.