NPPES file of Aug 9, 2026

Leonard Zych, PHARM.D.

Pharmacist · Palatine, IL

Leonard Zych, PHARM.D. is a pharmacist with a practice address in Palatine, Illinois, and NPI 1841570587, issued on Aug 25, 2011. Check the license (Illinois 051-037011, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841570587
Name
Leonard Zych
Credential
PHARM.D.
Primary taxonomy
Pharmacist 183500000X
License number
051-037011 IL
Self-reported in NPPES; status is on the state search
Practice location
12 N Northwest Hwy, Palatine, IL 60067
Phone
(847) 359-3624
Enumerated
Aug 25, 2011
Record last updated
Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(847) 358-0996
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 12 N Northwest Hwy

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

  1. Farah HusseinPharmacist1730052689
  2. Hatem IsmailPharmacist1477225175
  3. Tehreem KhaliqPharmacist1174332910

Verify Leonard Zych 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 051-037011
    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

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85% fewer Medicare Part D claims than the average pharmacist in 2024

18 Medicare Part D claims for 18 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Leonard Zych18
  2. Specialty average119

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Leonard Zych among 9,744 pharmacist records in Illinois

Leonard Zych, PHARM.D. is one of 9,744 pharmacist records with a practice address in Illinois. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 16% of them.

  • NPI issued2011 · 16% of these records are older, 62% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2011 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 pharmacist records list a practice address in Palatine

They are 44 of the 770 NPPES records with a practice address in Palatine, and 9,744 pharmacist records in Illinois.

The 8 pharmacist records with the nearest ZIP codes

  1. Reena Aggarwal, PHARM D.Palatine, IL 600671992308795
  2. Susan BongPalatine, IL 600671013513480
  3. Chase BraunPalatine, IL 600671619566676
  4. Debra CaminitiPalatine, IL 600671881976595
  5. Ilias Christodoulopoulos, RPHPalatine, IL 600671871839472
  6. Salvador Gutierrez, PHARMDPalatine, IL 600671053626127
  7. Kook Hwang, PHARMDPalatine, IL 600671578148920
  8. Denisa IncrocciPalatine, IL 600671386091106

Common questions

What is Leonard Zych, PHARM.D.'s NPI number?

Leonard Zych, PHARM.D.'s National Provider Identifier (NPI) is 1841570587, issued on Aug 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Zych, PHARM.D. located?

The NPPES record lists a practice address at 12 N Northwest Hwy, Palatine, IL, 60067. Phone: (847) 359-3624. Providers update this record themselves, so call before visiting.

How can I verify Leonard Zych, PHARM.D.'s license?

NPPES lists Illinois license number 051-037011, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Leonard Zych, PHARM.D. prescribe under Medicare Part D?

In 2024, Leonard Zych, PHARM.D. had 18 Medicare Part D claims for 18 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions 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.