Robert Anthony Armbruster, M.D.
NPI 1174728893ActiveIndividual· Internal Medicine, Interventional Cardiology· Bridgeton, MO
Internal Medicine, Interventional Cardiology (M.D.) in Bridgeton, Missouri, trained at Saint Louis University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $961,949 for 6,430 claims, against $488,645 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 14 companies reporting payments in 2025, $1,200 in all, mostly food and beverage.
Overview
| NPI | 1174728893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2007 |
| Last updated in NPPES | Aug 11, 2025 |
| Certified by provider | Aug 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 2012015742 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036145685 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 2012015742 | MO |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 036145685 | IL |
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 (IL); Practitioner - Interventional Cardiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 674 |
|---|---|
| Services billed | 7,688 across 111 procedure codes |
| Paid by Medicare | $488,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,430 · 17,071 30-day fills |
|---|---|
| Patients | 865 |
| Total drug cost | $961,949 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- St Louis Heart and Vascular PCSaint Louis, MO · 21 clinicians
Hospital affiliations
- Christian Hospital NortheastSaint Louis, MO
- Iron County Medical CenterPilot Knob, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Parkland Health CenterFarmington, MO
- Parkland Health Center - Bonne TerreBonne Terre, MO
Industry payments (Open Payments)
- 2025$1,200 · 67 payments from 14 companies
- 2024$1,755 · 82 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $184.23 | 23 |
| Astrazeneca Pharmaceuticals LP | $183.60 | 11 |
| Amgen Inc. | $144.82 | 9 |
| Abiomed | $130.90 | 2 |
| Novo Nordisk Inc | $122.67 | 7 |
What the 2025 payments were for
- Food and Beverage$1,200 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other interventional cardiologists in Bridgeton
- 1548274749
- 1871551887