DR. MARY T KILLIAN MD
NPI 1013449743
Pediatrics - Pediatric Cardiology in Louisville, KY
About Dr. Mary T Killian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY T KILLIAN MD (NPI 1013449743) is an individual pediatric cardiology provider in Louisville, Kentucky, licensed in Kentucky (58700) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mary T Killian 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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Killian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: Norton Childrens Medical Group LLC
- 1,008 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Mary Killian's NPI number?
The NPI number for Mary Killian is 1013449743. It was assigned to this individual provider in the NPPES registry on March 31, 2017.
Where is Mary Killian located?
Mary Killian practices at 411 E Chestnut St # 5A, Louisville, KY 40202. The listed phone number is (502) 588-7450.
What is Mary Killian's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Mary Killian enrolled in Medicare?
Yes. Mary Killian 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.
Which organization bills Medicare for Mary Killian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Killian reassigns Medicare benefits to Norton Children's Medical Group, LLC (Louisville, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Killian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Killian accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Mary Killian 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 Mary Killian was last updated on January 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Dr. Mary T Killian, MD · NPI 1013449743
Pediatric Cardiology physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since March 31, 2017.
## Identity
- **NPI:** 1013449743 (Entity type: Individual)
- **Enumerated:** March 31, 2017
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 58700 (Kentucky)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 411 E CHESTNUT ST # 5A, Louisville, KY 40202-1713
- **Phone:** (502) 588-7450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Norton Children's Medical Group, LLC (NPI 1013559921, Louisville, KY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1013449743) · Data from the CMS NPPES public registry.