David K. Tsui, M.S.
Pharmacist · Des Plaines, IL
David K. Tsui, M.S. is a pharmacist with a practice address in Des Plaines, Illinois, and NPI 1538441423, issued on Sep 15, 2011. Check the license (Illinois 051-030120, 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
- David K. Tsui
- Credential
- M.S.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 051-030120 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1858 E Oakton St, Des Plaines, IL 60018
- Phone
- (847) 299-6611
- Enumerated
- Sep 15, 2011
- Record last updated
- Sep 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 9,744 in Illinois → Look up another NPI →
Also registered at 1858 E Oakton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Isabelle HristovaPharmacist1922945799
- Kunal Patel, PHARMDPharmacist1326328808
Verify David K. Tsui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 051-030120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David K. Tsui among 9,744 pharmacist records in Illinois
David K. Tsui, M.S. 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 not. Its NPI, issued in 2011, is newer than 16% of them.
- NPI issued2011 · 16% of these records are older, 62% newer
- In a Medicare fileNo · 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).
95 pharmacist records list a practice address in Des Plaines
They are 95 of the 1,164 NPPES records with a practice address in Des Plaines, and 9,744 pharmacist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,744 in Illinois → Every provider in Des Plaines → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Mark Becker, RPHDes Plaines, IL 600181518289321
- Maureen Cesarotti, RPHDes Plaines, IL 600181326245937
- Carlo Gaglio, PHARMDDes Plaines, IL 600181548548522
- Tracey Goytia, PHARMD, RDDes Plaines, IL 600181053434340
- Trisha Hernandez, PHARM DDes Plaines, IL 600181932414950
- Ann Jacob, PHARM DDes Plaines, IL 600181114228111
- Mark Johnson, PHARMACISTDes Plaines, IL 600181215133004
- Gregory Kovak, PHARMACISTRosemont, IL 600181801836739
Common questions
What is David K. Tsui, M.S.'s NPI number?
David K. Tsui, M.S.'s National Provider Identifier (NPI) is 1538441423, issued on Sep 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David K. Tsui, M.S. located?
The NPPES record lists a practice address at 1858 E Oakton St, Des Plaines, IL, 60018. Phone: (847) 299-6611. Providers update this record themselves, so call before visiting.
How can I verify David K. Tsui, M.S.'s license?
NPPES lists Illinois license number 051-030120, 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.