MARK J MCDONALD MD
NPI 1902876584
Pediatrics - Pediatric Critical Care Medicine in Louisville, KY
About Mark J Mcdonald Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK J MCDONALD MD (NPI 1902876584) is an individual pediatric critical care medicine provider in Louisville, Kentucky, licensed in Kentucky (32116) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Norton Hospitals, Inc, and is a graduate of Saint Louis University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
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
Mark J Mcdonald 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 Reassignments
2Medicare enrollment records show Mark Mcdonald reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Norton Hospitals, Inc
Acute Care Hospitals · Louisville, KYOther 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
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 Mark Mcdonald's NPI number?
The NPI number for Mark Mcdonald is 1902876584. It was assigned to this individual provider in the NPPES registry on January 25, 2006.
Where is Mark Mcdonald located?
Mark Mcdonald practices at 200 E Chestnut St, Louisville, KY 40202. The listed phone number is (502) 629-6000.
What is Mark Mcdonald's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Mark Mcdonald enrolled in Medicare?
Yes. Mark Mcdonald 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 organizations bill Medicare for Mark Mcdonald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mcdonald reassigns Medicare benefits to 2 organizations: University Of Louisville Physicians, Inc. (Louisville, KY) and Norton Children's Medical Group, LLC (Louisville, KY). Each 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 Mark Mcdonald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mcdonald accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource list Mark Mcdonald 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.
Is Mark Mcdonald affiliated with any hospitals?
According to CMS data, Mark Mcdonald is affiliated with Norton Hospitals, Inc.
When was this NPI record last updated?
The NPPES record for Mark Mcdonald was last updated on March 26, 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.
# Mark J Mcdonald, MD · NPI 1902876584
Pediatric Critical Care Medicine physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since January 25, 2006.
## Identity
- **NPI:** 1902876584 (Entity type: Individual)
- **Enumerated:** January 25, 2006
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** 32116 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 E CHESTNUT ST, Louisville, KY 40202-1831
- **Phone:** (502) 629-6000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Louisville Physicians, Inc. (NPI 1417219148, Louisville, KY); Norton Children's Medical Group, LLC (NPI 1013559921, Louisville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** March 26, 2024
- **Other identifiers:** Medicaid T66265 (SC); Medicaid 200188960 (IN); Medicaid 64321169 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1902876584) · Data from the CMS NPPES public registry.