Mark Eric Leimbach, MD

NPI 1104878404ActiveIndividual· Internal Medicine, Interventional Cardiology· Atlanta, GA

Internal Medicine, Interventional Cardiology (MD) in Atlanta, Georgia, trained at Washington University School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $390,864 for 2,539 claims, against $156,252 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 14 companies reporting payments in 2025, $2,557 in all, mostly travel and lodging.

Overview

NPI	1104878404
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	May 16, 2006
Last updated in NPPES	Feb 26, 2021
Certified by provider	Feb 26, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Interventional Cardiology Primary	207RI0011X	040137	GA
Internal Medicine, Cardiovascular Disease	207RC0000X	040137	GA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Interventional Cardiology (GA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	846
Services billed	2,466 across 51 procedure codes
Paid by Medicare	$156,252

Part D prescriptions in 2024

Prescriptions (claims)	2,539 · 5,432 30-day fills
Patients	328
Total drug cost	$390,864
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	Washington University School of Medicine
Graduation year	1992
Medicare specialty	Interventional Cardiology
Secondary specialties	Cardiovascular Disease (Cardiology)