Mari Debra Horowitz, LCSW
Clinical Social Worker · Chicago, IL
Mari Debra Horowitz, LCSW is a clinical social worker with a practice address in Chicago, Illinois, and NPI 1578423364, issued on Nov 13, 2025. Check the license (Illinois 149.029764, 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
- Mari Debra Horowitz
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 149.029764 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Huron St FL 13, Chicago, IL 60611
- Phone
- (866) 760-8876
- Enumerated
- Nov 13, 2025
- Record last updated
- Nov 13, 2025
- Entity
- Type 1 · individual
Also registered at 150 E Huron St FL 13
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stacey Dipalma, M.D.Pediatrics Physician1679718654
- Nicolette Fata, MPH, RDN, LDNRegistered Dietitian1306357405
- Nicole Havlik, MS, RDN, LDNRegistered Dietitian1962167262
- Amber Rosalez, RDN, LDNRegistered Dietitian1891158473
Verify Mari Debra Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149.029764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 4,368 in Chicago → All 13,637 in Illinois → Every provider in Chicago →
Other clinical social worker records in Illinois
- Leah A' Hearn, LCSWSavoy, IL1124790829
- Bruce AaronChicago, IL1013069087
- Melissa Aaron, LCSWWest Frankfort, IL1437505526
- Marcus Abate, MSWAurora, IL1679904767
- Nadia Abbas, LCSWChicago, IL1578176400
- Trisha Abbey, LCSWPalatine, IL1477970176
- Mary Abbott, LCSWElgin, IL1073787685
- Susan Abbott, LCSWOak Park, IL1235456930
- Ghada AbdallaChampaign, IL1235015553
- Samella Abdullah, PH.D.Chicago, IL1356404263
Common questions
What is Mari Debra Horowitz, LCSW's NPI number?
Mari Debra Horowitz, LCSW's National Provider Identifier (NPI) is 1578423364, issued on Nov 13, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Mari Debra Horowitz, LCSW located?
The NPPES record lists a practice address at 150 E Huron St FL 13, Chicago, IL, 60611. Phone: (866) 760-8876. Providers update this record themselves, so call before visiting.
How can I verify Mari Debra Horowitz, LCSW's license?
NPPES lists Illinois license number 149.029764, 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.