NPPES file of Aug 9, 2026

Mark Thomas Lewandowski, R. PH.

Pharmacist · Merrillville, IN

Mark Thomas Lewandowski, R. PH. is a pharmacist with a practice address in Merrillville, Indiana, and NPI 1962797316, issued on Jun 14, 2011. Check the license (Indiana 26014341A, as entered in NPPES) with the Indiana 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
1962797316
Name
Mark Thomas Lewandowski
Credential
R. PH.
Primary taxonomy
Pharmacist 183500000X
License number
26014341A IN
Self-reported in NPPES; status is on the state search
Practice location
2661 E US Highway 30, Merrillville, IN 46410
Phone
(219) 942-1267
Enumerated
Jun 14, 2011
Record last updated
Jun 14, 2011 (not updated in 15 years: call before relying on the address or phone)
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 2661 E US Highway 30

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

  1. Travis NguyenPharmacist1720420078

Verify Mark Thomas Lewandowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 26014341A
    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 Indiana license search

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Mark Thomas Lewandowski among 5,116 pharmacist records in Indiana

Mark Thomas Lewandowski, R. PH. is one of 5,116 pharmacist records with a practice address in Indiana. 2% 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 2011, is newer than 10% of them.

  • NPI issued2011 · 10% of these records are older, 74% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2011 · 73% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

51 pharmacist records list a practice address in Merrillville

They are 51 of the 1,972 NPPES records with a practice address in Merrillville, and 5,116 pharmacist records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pharmacist records with the nearest ZIP codes

  1. Gina Bender, PHARM DMerrillville, IN 464101316220965
  2. Jennifer DefrancescoMerrillville, IN 464101609157643
  3. Jacquenette GarlinMerrillville, IN 464101952686024
  4. Lelliza GearyMerrillville, IN 464101275801318
  5. Jacquelyn Ivankovic, PHARMDMerrillville, IN 464101669741310
  6. Michael KucharzakMerrillville, IN 464101821374802
  7. Krista Massa, RPHMerrillville, IN 464101497024830
  8. Matthew Mishler, PHARMDMerrillville, IN 464101801177571

Common questions

What is Mark Thomas Lewandowski, R. PH.'s NPI number?

Mark Thomas Lewandowski, R. PH.'s National Provider Identifier (NPI) is 1962797316, issued on Jun 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Thomas Lewandowski, R. PH. located?

The NPPES record lists a practice address at 2661 E US Highway 30, Merrillville, IN, 46410. Phone: (219) 942-1267. Providers update this record themselves, so call before visiting.

How can I verify Mark Thomas Lewandowski, R. PH.'s license?

NPPES lists Indiana license number 26014341A, as entered by the provider. Search the Indiana 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.