Alexander Maciejewski, PHARMD
NPI 1437740438 · Pharmacist · Chicago, IL
Alexander Maciejewski, PHARMD is a Pharmacist provider in Chicago, IL (NPI 1437740438).
Provider details
- NPI number
- 1437740438
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- No
- License
- P9432 (ID)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Mailing address
Registry dates
- Enumerated
- 2021-02-01
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Alexander Maciejewski's NPI number?
- Alexander Maciejewski's National Provider Identifier (NPI) is 1437740438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Maciejewski's specialty?
- Alexander Maciejewski is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Alexander Maciejewski located?
- Alexander Maciejewski's practice location on file with NPPES is 833 S Wood St, Chicago, IL 60612-7229.
- What is Alexander Maciejewski's phone number?
- The practice phone number listed in the NPPES registry for Alexander Maciejewski is (312) 355-4034.
- Is Alexander Maciejewski's NPI active?
- Yes — Alexander Maciejewski's NPI (1437740438) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.