Clark R. McKenzie, MD
NPI 1073506051ActiveIndividual· Internal Medicine, Interventional Cardiology· Saint Louis, MO
Internal Medicine, Interventional Cardiology (MD) in Saint Louis, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $284,290 for 1,936 claims, against $140,234 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 14 companies reporting payments in 2025, $1,870 in all, mostly food and beverage.
Overview
| NPI | 1073506051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 25, 2005 |
| Last updated in NPPES | Jan 19, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | R4P62 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | R4P62 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 2,799 across 60 procedure codes |
| Paid by Medicare | $140,234 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,936 · 4,747 30-day fills |
|---|---|
| Patients | 293 |
| Total drug cost | $284,290 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Nephrology |
Medical group
- Heart Care Specialists LLCChesterfield, MO · 17 clinicians
Hospital affiliations
- Jersey Community HospitalJerseyville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$1,870 · 65 payments from 14 companies
- 2024$2,867 · 88 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $529.59 | 12 |
| Abbott Laboratories | $350.48 | 6 |
| Boston Scientific Corporation | $244.83 | 10 |
| Impulse Dynamics (USA) Inc. | $202.71 | 2 |
| Shockwave Medical, Inc | $157.92 | 20 |
What the 2025 payments were for
- Food and Beverage$1,870 · 65 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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