Rebecca Ann Horwitz, LSW
Social Worker · Mount Prospect, IL
Rebecca Ann Horwitz, LSW is a social worker with a practice address in Mount Prospect, Illinois, and NPI 1326410192, issued on Oct 20, 2015. Check the license (Illinois 150101331, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Ann Horwitz
- Credential
- LSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 150101331 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1585 Dempster St, Mount Prospect, IL 60056
- Phone
- (847) 621-2040
- Enumerated
- Oct 20, 2015
- Record last updated
- Oct 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (847) 258-3120
- Medicare enrollment
- Enrolled (PECOS I20210304001860); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,881 in Illinois → Look up another NPI →
Also registered at 1585 Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zahraa AbbasCase Manager/Care Coordinator1578262937
- Adriana ArellanoClinical Social Worker1689155152
- Mayra AscencioMental Health Counselor1720503998
- Mark Branson, MSW, LSWSocial Worker1427783372
- Brittany BroviakMental Health Counselor1679116172
- Tanzania ColeCase Manager/Care Coordinator1407637093
Verify Rebecca Ann Horwitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 150101331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Kenneth Young CenterElk Grove Village, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Ann Horwitz among 5,881 social worker records in Illinois
Rebecca Ann Horwitz, 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. Its NPI, issued in 2015, is newer than 16% of them.
- NPI issued2015 · 16% of these records are older, 80% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated2015 · median 2018 among the 300 with a school on file
- Record last updated2015 · 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).
12 social worker records list a practice address in Mount Prospect
They are 12 of the 431 NPPES records with a practice address in Mount Prospect, and 5,881 social worker records in Illinois.
All 5,881 in Illinois → Every provider in Mount Prospect → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Mark Branson, MSW, LSWMount Prospect, IL 600561427783372
- Teandra Delancy, MSW, MPPAMt Prospect, IL 600561215431028
- Thomas DirschlMt Prospect, IL 600561750022307
- Stephanie DrozdMt Prospect, IL 600561366920332
- Marina ElizaroffMt Prospect, IL 600561538800974
- Georgeshia NorwoodMount Prospect, IL 600561568918159
- James SandroliniMt Prospect, IL 600561699059279
- Aisha SheppardMt Prospect, IL 600561811477540
Common questions
What is Rebecca Ann Horwitz, LSW's NPI number?
Rebecca Ann Horwitz, LSW's National Provider Identifier (NPI) is 1326410192, issued on Oct 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Ann Horwitz, LSW located?
The NPPES record lists a practice address at 1585 Dempster St, Mount Prospect, IL, 60056. Phone: (847) 621-2040. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Ann Horwitz, LSW's license?
NPPES lists Illinois license number 150101331, 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.
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.