Mary Rene Leonhardt
Social Worker · Oak Forest, IL
Mary Rene Leonhardt is a social worker with a practice address in Oak Forest, Illinois, and NPI 1093363830, issued on Aug 26, 2019. Check the license (Illinois 150.103802, 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
- Mary Rene Leonhardt
- Primary taxonomy
- Social Worker 104100000X
- License number
- 150.103802 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6006 159TH St Bldg C, Oak Forest, IL 60452
- Phone
- (708) 535-7320
- Enumerated
- Aug 26, 2019
- Record last updated
- Aug 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250625002594); may accept Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,881 in Illinois → Look up another NPI →
Also registered at 6006 159TH St Bldg C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katarzyna Rabianski, M.A., LPCProfessional Counselor1518288646
- Tammie Terae Tatum BlakeleyBehavior Analyst1528482544
Verify Mary Rene Leonhardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 150.103802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Rene Leonhardt among 5,881 social worker records in Illinois
Mary Rene Leonhardt 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 2019, is newer than 32% of them.
- NPI issued2019 · 32% of these records are older, 63% newer
- In a Medicare fileNo · 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 updated2019 · 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).
4 social worker records list a practice address in Oak Forest
They are 4 of the 308 NPPES records with a practice address in Oak Forest, 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 Oak Forest → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Maryellen McSherry, LCPCOak Forest, IL 604521285643999
- Annemarie NawrockiOak Forest, IL 604521144921248
- Erica Sidenstick, LSW, CADCOak Forest, IL 604521710264486
- Quenton AndersonOak Lawn, IL 604531376250506
- Jennifer BlaszczykNew Lenox, IL 604511407630478
- Courtney Carduff, LSWNew Lenox, IL 604511649142449
- Dextavius Chatman, LMSWOak Lawn, IL 604531255029393
- Jessica Drafke, LSWOak Lawn, IL 604531982217725
Common questions
What is Mary Rene Leonhardt's NPI number?
Mary Rene Leonhardt's National Provider Identifier (NPI) is 1093363830, issued on Aug 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mary Rene Leonhardt located?
The NPPES record lists a practice address at 6006 159TH St Bldg C, Oak Forest, IL, 60452. Phone: (708) 535-7320. Providers update this record themselves, so call before visiting.
How can I verify Mary Rene Leonhardt's license?
NPPES lists Illinois license number 150.103802, 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.