Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARI G LEAHY PHARMD
NPI 1700880077
Pharmacist in Chicago, IL

Active since June 02, 2005
2300 N CHILDRENS PLZ, CHICAGO, IL 60614(773) 880-4545 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Mari G Leahy Pharmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARI G LEAHY PHARMD (NPI 1700880077) is an individual pharmacist in Chicago, Illinois, licensed in Illinois (11829201) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1700880077
Entity TypeIndividualFemale
Primary Taxonomy183500000X
Provider Legal NameDR. MARI G LEAHYCredential: PHARMD
Location Address2300 N CHILDRENS PLZChicago, IL 60614-3363
Mailing Address2600 N Southport Ave, Apt 215Chicago, IL 60614-1135 · (773) 244-9372
Sole ProprietorNo
Enumeration DateJune 2, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1700880077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License Licensed in IL · 11829201
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
2300 N CHILDRENS PLZ, Chicago, IL 60614

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
2300 N CHILDRENS PLZ, OUTREACH PHYSICIAN SERVICES
CHICAGO, IL 60614
Pediatrics
2300 N CHILDRENS PLZ, OUTREACH PHYSICIAN SERVICES
CHICAGO, IL 60614
Speech-Language Pathologist
2300 N CHILDRENS PLZ, BOX 76
CHICAGO, IL 60614
Nurse Practitioner
2300 N CHILDRENS PLZ, DIVISION OF CARDIOLOGY
CHICAGO, IL 60614
Nurse Practitioner (Pediatrics)
2300 N CHILDRENS PLZ
CHICAGO, IL 60614
Radiology (Diagnostic Radiology)
2300 N CHILDRENS PLZ, RADIOLOGY
CHICAGO, IL 60614
Nurse Practitioner (Neonatal)
2300 N CHILDRENS PLZ
CHICAGO, IL 60614
Neurological Surgery
2300 N CHILDRENS PLZ
CHICAGO, IL 60614

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mari Leahy's NPI number?

The NPI number for Mari Leahy is 1700880077. It was assigned to this individual provider in the NPPES registry on June 2, 2005.

Where is Mari Leahy located?

Mari Leahy practices at 2300 N Childrens Plz, Chicago, IL 60614. The listed phone number is (773) 880-4545.

What is Mari Leahy's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for Mari Leahy was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.