Quick answers
- Which hospitals does Robert A. Armbruster work at?
- Medicare's official clinician data lists Robert A. Armbruster at 5 hospitals: Christian Hospital Northeast, Iron County Medical Center, Missouri Baptist Medical Center, Parkland Health Center and Parkland Health Center - Bonne Terre. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert A. Armbruster see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO and Granite City, IL. Call before your visit to confirm the address.
- What is Robert A. Armbruster's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Robert A. Armbruster accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. Armbruster accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert A. Armbruster?
- (314) 741-0911, as listed in official Medicare / NPI Registry data.
- What is Robert A. Armbruster's NPI number?
- 1174728893. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert A. Armbruster works
Medicare's Facility Affiliation Data lists Robert A. Armbruster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Iron County Medical CenterPilot Knob, MO · Critical Access Hospital · CCN 261336
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- Parkland Health CenterFarmington, MO · Acute Care Hospital · CCN 260163
- Parkland Health Center - Bonne TerreBonne Terre, MO · Rural Emergency Hospital · CCN 260779
Practice locations
Addresses where Robert A. Armbruster is enrolled with Medicare (CMS data updated 2026-10-02).
- 11155 Dunn Rd, 304eSaint Louis, MO 63136 (314) 741‑0911
- 2120 Madison Ave, Suite 101Granite City, IL 62040 (618) 876‑8214
Group practices
Medicare enrollment lists Robert A. Armbruster as a member of this group (CMS data updated 2026-10-02).
- St Louis Heart and Vascular PC21 clinicians in the group
Specialties
Other interventional cardiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174728893 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians