Ronald D. Leidenfrost, MD
NPI 1215936745ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Chesterfield, MO
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Chesterfield, Missouri, trained at State University of Ny Upstate Medical University (class of 1973). 104 Medicare patients in 2024, $48,875 paid; nearly all of their 177 Part D prescriptions were generic (97%). Atricure, Inc. was the largest of 5 companies reporting payments in 2025, $160.21 in all, mostly food and beverage.
Overview
| NPI | 1215936745 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2005 |
| Last updated in NPPES | Dec 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | R6074 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Thoracic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 197 across 38 procedure codes |
| Paid by Medicare | $48,875 |
Part D prescriptions in 2024
| Prescriptions (claims) | 177 · 288 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $3,718 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Thoracic Surgery |
Medical group
- Cardiothoracic Surgery, LLCChesterfield, MO · 15 clinicians
Hospital affiliation
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$160.21 · 8 payments from 5 companies
- 2024$90.45 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $46.11 | 2 |
| Edwards Lifesciences Corporation | $37.54 | 2 |
| Corcym Inc | $32.20 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $30.32 | 2 |
| Kestra Medical Technology Services, Inc. | $14.04 | 1 |
What the 2025 payments were for
- Food and Beverage$160.21 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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