IndividualActive
David Tsui, M.S.
NPI 1538441423 · Pharmacist · Des Plaines, IL
David Tsui, M.S. is a Pharmacist provider in Des Plaines, IL (NPI 1538441423).
Provider details
- NPI number
- 1538441423
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 051-030120 (IL)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1858 E Oakton St
Des Plaines, IL 60018-2112
Phone: (847) 299-6611
Street-level locationGet directions
Mailing address
1421 Cindy Ln
Des Plaines, IL 60018-1425
Registry dates
- Enumerated
- 2011-09-15
- Last updated
- 2011-09-15
Frequently asked questions
- What is David Tsui's NPI number?
- David Tsui's National Provider Identifier (NPI) is 1538441423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Tsui's specialty?
- David Tsui is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is David Tsui located?
- David Tsui's practice location on file with NPPES is 1858 E Oakton St, Des Plaines, IL 60018-2112.
- What is David Tsui's phone number?
- The practice phone number listed in the NPPES registry for David Tsui is (847) 299-6611.
- Is David Tsui's NPI active?
- Yes — David Tsui's NPI (1538441423) is active in the NPPES registry as of the last update on 2011-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.