NPPES file of Aug 9, 2026

William J. Leonard, R.P.H.

Pharmacist · Chicago Hts, IL

William J. Leonard, R.P.H. is a pharmacist with a practice address in Chicago Hts, Illinois, and NPI 1609832658, issued on Apr 26, 2006. Check the license 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
1609832658
Name
William J. Leonard
Credential
R.P.H.
Primary taxonomy
Pharmacist 183500000X
Practice location
333 Dixie Hwy, Chicago Hts, IL 60411
Phone
(708) 709-6538
Enumerated
Apr 26, 2006
Record last updated
Jul 13, 2026
Fax
(708) 709-6051
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 333 Dixie Hwy

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

  1. Manuel Barrera, M.D.Anesthesiology Physician1003862863
  2. Tonya Coats, M.D.Family Medicine Physician1962468363
  3. Ghanshyam Patel, M.D.Internal Medicine Physician1942241120
  4. Neal Rosner, M.D.Diagnostic Radiology Physician1841216488
  5. Fatima Sultan, M.D.Internal Medicine Physician1275570194
  6. Robert Thomas, M.D.Otolaryngology Physician1699733774

Verify William J. Leonard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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1 pharmacist records list a practice address in Chicago Hts

They are 1 of the 10 NPPES records with a practice address in Chicago Hts, and 9,744 pharmacist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in Illinois

  1. Kathryn Aardema, RPHMokena, IL1417239310
  2. David Aarthun, RPHChicago, IL1942579198
  3. Humaira Aasi, PHARMDWaukegan, IL1437753365
  4. Mark Abadines, PHARMDHuntley, IL1326659905
  5. Elaine Abasolo, PHARMDBolingbrook, IL1871873349
  6. Eric Abasolo, PHARMDChicago, IL1275155541
  7. Brenda Abate, PHARM. D.Dwight, IL1447532130
  8. Hakeem Abayomi, PHARM.DChicago, IL1457632879
  9. Ariba Abbas, PHARM.D.Niles, IL1164132288
  10. Mahera AbbasHuntley, IL1760082838

Common questions

What is William J. Leonard, R.P.H.'s NPI number?

William J. Leonard, R.P.H.'s National Provider Identifier (NPI) is 1609832658, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Leonard, R.P.H. located?

The NPPES record lists a practice address at 333 Dixie Hwy, Chicago Hts, IL, 60411. Phone: (708) 709-6538. Providers update this record themselves, so call before visiting.

How can I verify William J. Leonard, R.P.H.'s license?

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.