Gregory A. Ewald, MD
NPI 1073557401ActiveIndividual· Internal Medicine, Advanced Heart Failure and Transplant Cardiology· Saint Louis, MO
Internal Medicine, Advanced Heart Failure and Transplant Cardiology (MD) in Saint Louis, Missouri, trained at Northwestern University Feinberg Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,319,338 for 6,760 claims, against $66,226 paid for services in 2024. Kestra Medical Technology Services, Inc. was the largest of 4 companies reporting payments in 2025, $5,374 in all, mostly consulting fees.
Overview
| NPI | 1073557401 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology Primary | 207RA0001X | R7P09 | MO |
| Internal Medicine | 207R00000X | R7P09 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | R7P09 | 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 - Advanced Heart Failure and Transplant Cardiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 847 across 20 procedure codes |
| Paid by Medicare | $66,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,760 · 15,084 30-day fills |
|---|---|
| Patients | 655 |
| Total drug cost | $1,319,338 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Advanced Heart Failure And Transplant Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical groups
- Washington UniversitySaint Louis, MO · 3,029 clinicians
- Heart Care Institute LLCCreve Coeur, MO · 18 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Freeman Health System - Freeman WestJoplin, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2025$5,374 · 9 payments from 4 companies
- 2024$352.66 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kestra Medical Technology Services, Inc. | $5,070 | 1 |
| Abiomed | $227.60 | 5 |
| Abbott Laboratories | $39.07 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $37.70 | 2 |
What the 2025 payments were for
- Consulting Fee$5,070 · 1 payment
- Food and Beverage$266.67 · 6 payments
- Education$37.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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