NICHOLAS KEMP LEAHY
NPI 1366386682
Psychiatry & Neurology - Psychiatry in Chicago, IL

Active since April 16, 2026
5841 S MARYLAND AVE, M/C 3077, CHICAGO, IL 60637(773) 702-3858(773) 702-1196 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 26, 2026, Apr 16, 2026 (2 updates tracked since 2026).

About Nicholas Kemp Leahy NPPES

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

NICHOLAS KEMP LEAHY (NPI 1366386682) is an individual psychiatry provider in Chicago, Illinois, licensed in Illinois (125087875) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1366386682
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameNICHOLAS KEMP LEAHY
Location Address5841 S MARYLAND AVE, M/C 3077Chicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Fax(773) 702-1196
Sole ProprietorNo
Enumeration DateApril 16, 2026
Last NPPES UpdateMay 26, 20262 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
NPI 1366386682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in IL · 125087875
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5841 S MARYLAND AVE, Chicago, IL 60637

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.

Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637

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 Nicholas Leahy's NPI number?

The NPI number for Nicholas Leahy is 1366386682. It was assigned to this individual provider in the NPPES registry on April 16, 2026.

Where is Nicholas Leahy located?

Nicholas Leahy practices at 5841 S Maryland Ave M/C 3077, Chicago, IL 60637. The listed phone number is (773) 702-3858.

What is Nicholas Leahy's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Nicholas Leahy was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.