Dr. Robert Anthony Armbruster, MD
- Medicare services, 2024
- 5,243
- Medicare patients, 2024
- 674
- Part D claims, 2024
- 6,430
- MIPS score, 2024
- 73
- Hospital affiliations
- 5
- Practice address
- 11155 Dunn Rd, Saint Louis, MO 63136
- Practice phone
- Call (314) 741-0911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Louis Heart & Vascular
Saint Louis, Missouri
Find Dr. Armbruster's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Anthony Armbruster is a cardiologist in Saint Louis, Missouri
Dr. Armbruster practices at St. Louis Heart & Vascular in Saint Louis, Missouri.
Dr. Armbruster's NPI, 1174728893, was assigned on June 21, 2007. Dr. Armbruster graduated from Saint Louis University School of Medicine in 2006. Dr. Armbruster holds Missouri license 2012015742.
- NPI
- 1174728893NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395993778
- NPI enumeration date
- June 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 741-0911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Anthony Armbruster practices at St. Louis Heart & Vascular in Saint Louis, Missouri
Dr. Armbruster's primary practice is St. Louis Heart & Vascular, at 11155 Dunn Rd, Saint Louis, MO 63136 in Saint Louis County. The practice phone is (314) 741-0911.
- St. Louis Heart & Vascular11155 Dunn Rd, Saint Louis, MO 63136 · Saint Louis CountyPhone(314) 741-0911
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Anthony Armbruster is affiliated with 7 sites of care and 1 medical group
Dr. Armbruster's primary practice is St. Louis Heart & Vascular in Saint Louis, Missouri. Dr. Armbruster is also affiliated with Missouri Baptist Medical Center. The medical group on file is St. Louis Heart & Vascular. Dmand AI also links Dr. Armbruster to 4 more hospitals and 1 ambulatory surgery center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Anthony Armbruster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armbruster practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Louis Heart & Vascular | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Anthony Armbruster is one of 383 cardiologists in Missouri
Cardiovascular disease is Dr. Armbruster's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Armbruster is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Armbruster's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Cardiovascular disease, MissouriPrimary
- Illinois license
Cardiologists near Dr. Armbruster
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Anthony Armbruster billed Medicare for 5,243 services in 2024
CMS data shows 5,243 Medicare services from Dr. Armbruster across 33 procedure codes in 2024, for 674 Medicare patients. Medicare paid $353,431 for them.
Dr. Armbruster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3,0932024: 2,67514%
- Tests and treatments
- 2023: 1,5142024: 1,17822%
- Office and hospital visits
- 2023: 8852024: 8751%
- Drugs given in the office
- 2023: 2082024: 31250%
- Imaging
- 2023: 952024: 16675%
- Surgery
- 2023: 02024: 37
Where Dr. Armbruster's Medicare services took place, 2024
- In an office4,85993%
- In a facility3847%
Dr. Armbruster compared with the Missouri median for cardiologists, 2024
- Dr. Armbruster
- Missouri median
- Medicare services
- 5,243vs 1,7972.9 times
- Medicare patients
- 674vs 92527% below
- Part D claims
- 6,181vs 2,1282.9 times
Medians across 391 cardiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Armbruster's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Anthony Armbruster treated 674 Medicare patients in 2024, average age 75
CMS counts 674 Medicare patients who saw Dr. Armbruster in 2024. The largest group is 65 to 74, with 297 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Armbruster's median patient age at 71, with 46% women.
Dr. Armbruster's Medicare patients by age, 2024
Dr. Armbruster's Medicare patients by sex, 2024
- Women31947%
- Men35553%
Chronic conditions among Dr. Armbruster's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis52%
- Diabetes39%
- Chronic kidney disease37%
- Heart failure35%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Armbruster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Anthony Armbruster wrote 6,430 Medicare Part D claims in 2024
In 2024, Dr. Armbruster wrote 6,430 Medicare Part D claims for 865 patients. 85% of them were for generic drugs. CMS names the drug for 6,181 of them, across 60 drugs with 11 or more claims each, at $935,513 in total drug cost. In 2023, CMS named 5,485 claims across 53 drugs.
Dr. Armbruster's Part D claims by kind of drug, 2024
- Generic5,494 claims85%
- Brand-name936 claims15%
Dr. Armbruster's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Armbruster's Part D claims, 2024
- Antibiotics0%14 of 6,430 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,4852024: 6,18113%
Drugs named by CMS: 60 in 2024, 53 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Robert Anthony Armbruster scored 73 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 73 out of 100 for Dr. Armbruster for performance year 2024, reported as part of a group. Dr. Armbruster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 30 procedures of coronary angioplasty and stenting by Dr. Armbruster, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Armbruster's MIPS scores, performance year 2024
- 73of 100Final score
- 65of 100Quality
- 20of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Armbruster ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 66th percentile30 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert Anthony Armbruster received $11,020 in industry payments from 2016 to 2025
CMS Open Payments shows 503 general payments to Dr. Armbruster from 57 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 84% of the total. Abbott Laboratories paid the most, $3,761.
General payments to Dr. Armbruster by program year, 2016 to 2025
General payments to Dr. Armbruster by kind, 2016 to 2025
- Food and beverage$9,23284%
- Travel and lodging$1,39413%
- Debt forgiveness$3954%
Companies that paid Dr. Armbruster the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Anthony Armbruster graduated from Saint Louis University School of Medicine
Dr. Armbruster graduated from Saint Louis University School of Medicine in 2006.
- Medical school
- Board certified in cardiovascular disease
- Board certified in interventional cardiology
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Anthony Armbruster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Anthony Armbruster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Anthony Armbruster's NPI number?
Dr. Robert Anthony Armbruster's NPI number is 1174728893. It was assigned on June 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Anthony Armbruster?
Dr. Robert Anthony Armbruster is a cardiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Robert Anthony Armbruster practice?
Dr. Armbruster practices at 11155 Dunn Rd, Saint Louis, MO 63136. Dr. Armbruster's primary practice is St. Louis Heart & Vascular in Saint Louis, Missouri. Dmand AI also links Dr. Armbruster to 4 hospitals and 1 ambulatory surgery center.
What is Dr. Robert Anthony Armbruster's office phone number?
The practice phone on file for Dr. Armbruster is (314) 741-0911.
What is Dr. Robert Anthony Armbruster's medical license number?
Dr. Armbruster holds Missouri license 2012015742, one of the licenses on file in 2 states.
Which states has Dr. Robert Anthony Armbruster been licensed in?
Dmand AI has state licenses on file for Dr. Armbruster in Missouri and Illinois.
Which hospitals is Dr. Robert Anthony Armbruster affiliated with?
Dr. Armbruster is affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Armbruster to 4 more hospitals.
What medical group is Dr. Robert Anthony Armbruster part of?
Dr. Armbruster is linked to St. Louis Heart & Vascular.
Does Dr. Robert Anthony Armbruster accept Medicare?
Yes. CMS data shows Dr. Armbruster billed Medicare for 5,243 services in 2024, and Dr. Armbruster accepts Medicare assignment.
What is Dr. Robert Anthony Armbruster's MIPS score?
Dr. Armbruster's MIPS final score for performance year 2024 is 73 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Robert Anthony Armbruster see?
CMS counts 674 Medicare patients who saw Dr. Armbruster in 2024, with an average age of 75.
Is Dr. Robert Anthony Armbruster board certified?
Yes. Dr. Armbruster is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Robert Anthony Armbruster bill to Medicare?
In 2024, Dr. Armbruster's most billed Medicare services were medicare temporary code (Q9967), office visit, established patient (99214) and injected or infused drug (J2785).
Where did Dr. Robert Anthony Armbruster go to medical school?
Dr. Armbruster graduated from Saint Louis University School of Medicine in 2006.
What drugs does Dr. Robert Anthony Armbruster prescribe most?
In 2024 Medicare Part D data, Dr. Armbruster's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Clopidogrel.
Has Dr. Robert Anthony Armbruster received payments from drug or device companies?
CMS Open Payments shows $11,020 in general payments to Dr. Armbruster from 57 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Robert Anthony Armbruster been practicing?
Dr. Armbruster graduated from medical school in 2006, 20 years ago.
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