DR. KATHLEEN ELIZABETH MAHONEY MD
NPI 1417278664
Hospitalist in Saint Louis, MO

Active since June 22, 2010PECOS EnrolledAccepts Medicare Assignment
77.82/100
CMS Quality Rating
1 CHILDRENS PL, DIV PED HOSPITALIST MED, SAINT LOUIS, MO 63110(314) 454-2076(314) 747-8953 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Jul 24, 2023 and 2 more (5 updates tracked since 2019).

About Dr. Kathleen Elizabeth Mahoney Md NPPES

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

DR. KATHLEEN ELIZABETH MAHONEY MD (NPI 1417278664) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2023017146) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Columbia School Of Medicine (2010).

NPPES Registry Identity

NPI1417278664
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. KATHLEEN ELIZABETH MAHONEYCredential: MD
Location Address1 CHILDRENS PL, DIV PED HOSPITALIST MEDSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-2076 · Fax (314) 747-8953
Fax(314) 747-8953
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2010
Enumeration DateJune 22, 2010
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
NPI 1417278664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in MO · 2023017146
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedPediatricsTaxonomy 208000000X · License 2023017146 (MO)
1 CHILDRENS PL, Saint Louis, MO 63110

Other Identifiers 1

Medicaid200124871MO

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathleen Elizabeth Mahoney Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921234501
PECOS Enrollment IDI20230808003206
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

77.82/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.04
Promoting Interoperability92
Improvement Activities40
Cost60.7

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
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL, ST LOUIS CHILDREN OUT PATIENT PHARMACY
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Anesthesiology
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Ophthalmology
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Cardiology)
1 CHILDRENS PL, SUITE 5S30
SAINT LOUIS, MO 63110
Anesthesiology
1 CHILDRENS PL
SAINT LOUIS, MO 63110

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 Kathleen Mahoney's NPI number?

The NPI number for Kathleen Mahoney is 1417278664. It was assigned to this individual provider in the NPPES registry on June 22, 2010.

Where is Kathleen Mahoney located?

Kathleen Mahoney practices at 1 Childrens Pl Div Ped Hospitalist Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2076.

What is Kathleen Mahoney's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Kathleen Mahoney enrolled in Medicare?

Yes. Kathleen Mahoney is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kathleen Mahoney accept?

Health plans from Cox HealthPlans list Kathleen Mahoney as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kathleen Mahoney was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.