Robert Anthony Armbruster, M.D.
Interventional Cardiology Physician · Bridgeton, MO
Robert Anthony Armbruster, M.D. is an interventional cardiology physician with a practice address in Bridgeton, Missouri, and NPI 1174728893, issued on Jun 21, 2007. Check the license (Missouri 2012015742, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert Anthony Armbruster
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- 2012015742 MO
036145685 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3550 Mckelvey RD, Bridgeton, MO 63044
- Phone
- (314) 741-0911
- Enumerated
- Jun 21, 2007
- Record last updated
- Aug 11, 2025
- Fax
- (314) 741-0501
- Medicaid ID
- 500849396 IL
- Medicare enrollment
- Enrolled (PECOS I20120910000096); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 200 in Missouri → Look up another NPI →
Also registered at 3550 Mckelvey RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pradeep Chandra, D.O.Cardiovascular Disease Physician1124225347
- Sundeep Das, M.D.Interventional Cardiology Physician1548274749
- Jennifer Fendler, NP-CFamily Nurse Practitioner1609328798
- Chadd HarkeyFamily Nurse Practitioner1477383032
- Alok Katyal, M.D.Interventional Cardiology Physician1871551887
- McKinzie Kizer, FNPFamily Nurse Practitioner1053290171
Verify Robert Anthony Armbruster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2012015742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average interventional cardiology physician in 2024
6,430 Medicare Part D claims for 865 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate711 claims
- Atorvastatin Calcium604 claims
- Clopidogrel565 claims
- Amlodipine Besylate516 claims
- Eliquis437 claims
- Carvedilol344 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,729.98
80 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Louis Heart And Vascular PCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Anthony Armbruster among 200 interventional cardiology physician records in Missouri
Robert Anthony Armbruster, M.D. is one of 200 interventional cardiology physician records with a practice address in Missouri. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 40% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2006 · median 2000 among the 171 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Missouri
There are 200 interventional cardiology physician records in Missouri.
All 200 in Missouri → Every provider in Bridgeton → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Sundeep Das, M.D.Bridgeton, MO 630441548274749
- Alok Katyal, M.D.Bridgeton, MO 630441871551887
- Jareer Farah, MDFlorissant, MO 630311073784583
- Julien Feghaly, MD, MPHFlorissant, MO 630311356847651
- Sridevi Durga, M.D.Festus, MO 630281013175389
- Souheil Khoukaz, MDFestus, MO 630281386636868
- Jeffrey Reese, M.D.Festus, MO 630281598764623
- Bassam Roukoz, M.D.Festus, MO 630281396744439
Common questions
What is Robert Anthony Armbruster, M.D.'s NPI number?
Robert Anthony Armbruster, M.D.'s National Provider Identifier (NPI) is 1174728893, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Anthony Armbruster, M.D. located?
The NPPES record lists a practice address at 3550 Mckelvey RD, Bridgeton, MO, 63044. Phone: (314) 741-0911. Providers update this record themselves, so call before visiting.
How can I verify Robert Anthony Armbruster, M.D.'s license?
NPPES lists Missouri license number 2012015742, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Anthony Armbruster, M.D. prescribe under Medicare Part D?
In 2024, Robert Anthony Armbruster, M.D. had 6,430 Medicare Part D claims for 865 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Robert Anthony Armbruster, M.D.'s MIPS final score?
The 2023 MIPS final score is 88 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.