Peter Leszczewicz
NPI 1699273177 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Chicago, IL
Peter Leszczewicz is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Chicago, IL (NPI 1699273177).
Provider details
- NPI number
- 1699273177
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 051300371 (IL)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-01-30
- Last updated
- 2018-01-30
Frequently asked questions
- What is Peter Leszczewicz's NPI number?
- Peter Leszczewicz's National Provider Identifier (NPI) is 1699273177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Leszczewicz's specialty?
- Peter Leszczewicz is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Peter Leszczewicz located?
- Peter Leszczewicz's practice location on file with NPPES is 1855 W Taylor St, Chicago, IL 60612-7242.
- What is Peter Leszczewicz's phone number?
- The practice phone number listed in the NPPES registry for Peter Leszczewicz is (815) 370-7984.
- Is Peter Leszczewicz's NPI active?
- Yes — Peter Leszczewicz's NPI (1699273177) is active in the NPPES registry as of the last update on 2018-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.