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DR. KATHRYN BREEN LEONARD MD
NPI 1508179383
Pediatrics - Pediatric Emergency Medicine in Saint Louis, MO

Active since July 21, 2010PECOS Enrolled
79.29/100
CMS Quality Rating
1 CHILDRENS PL, DIV PED EMERGENCY MED, SAINT LOUIS, MO 63110(314) 454-2341(314) 454-4345 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Apr 4, 2022 and 1 more (4 updates tracked since 2022).

About Dr. Kathryn Breen Leonard Md NPPES

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

DR. KATHRYN BREEN LEONARD MD (NPI 1508179383) is an individual pediatric emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2013022032) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508179383
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameDR. KATHRYN BREEN LEONARDCredential: MD
Location Address1 CHILDRENS PL, DIV PED EMERGENCY MEDSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-2341 · Fax (314) 454-4345
Phone(314) 454-2341
Fax(314) 454-4345
Sole ProprietorNo
Enumeration DateJuly 21, 2010
Last NPPES UpdateApril 17, 20254 updates tracked since enumeration
NPPES CertifiedFebruary 14, 2022
✔ NPI 1508179383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in MO · 2013022032
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License 2013022032 (MO)
1 CHILDRENS PL, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid200032823MO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kathryn Breen Leonard Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

ARIE BAKER MSW, LCSW
Social Worker (Clinical)
1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110
St. Louis City (314) 747-6169
HANNAH EDELMAN MD, PHD
Psychiatry & Neurology (Neurology)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6120
SUSAN CHEUNG WALSH AUD
Audiologist-Hearing Aid Fitter
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-4649
MS. JENNIFER MARIE JACOBI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
MS. EMILY LINCOLN RN, NNP-BC
Nurse Practitioner (Neonatal, Critical Care)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6000
MS. MARISSA ROSE PEREZ-MAGNELLI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6120
DR. WILLIAM L RIVES MD
Hospitalist
1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2076
DR. PETER M KILBRIDGE MD
Pediatrics
1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2479

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 Kathryn Leonard's NPI number?

The NPI number for Kathryn Leonard is 1508179383. It was assigned to this individual provider in the NPPES registry on July 21, 2010.

Where is Kathryn Leonard located?

Kathryn Leonard practices at 1 Childrens Pl Div Ped Emergency Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2341.

What is Kathryn Leonard's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Kathryn Leonard enrolled in Medicare?

Yes. Kathryn Leonard is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kathryn Leonard was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.