ROBERT A. ARMBRUSTER M.D. – NPI #1174728893
Internal Medicine

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Health Care Provider Taxonomy Code for Internal Medicine

ROBERT ARMBRUSTER is a physician located in BRIDGETON, MO. NPPES has assigned the NPI number 1174728893 to ROBERT ARMBRUSTER on June 21, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI data, there are 2 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RI0011X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Interventional Cardiology

The NPI profile was last updated on Aug 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ROBERT ARMBRUSTER below.

NPI Profile for
ROBERT A. ARMBRUSTER

NPI Number
1174728893
Enumeration Date

(about 19 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ROBERT A. ARMBRUSTER
Credentials
M.D.
Primary location
3550 MCKELVEY RD
BRIDGETON, MO 63044-2527
Phone: (314) 741-0911 Fax: (314) 741-0501
2 Other location(s):
2120 Madison Ave Ste 101
Granite City, IL 62040-4746
Phone: (618) 876-8214
Fax: (618) 451-9111
2325 Dougherty Ferry Rd
Suite 200
Saint Louis, MO 63122-3356
Phone: (314) 835-4880
Fax: (314) 965-6726
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Aug 11, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for ROBERT ARMBRUSTER

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidIL500849396
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RI0011X
- Internal Medicine / Interventional Cardiology (Primary)		 IL 036145685
207RC0000X
- Internal Medicine / Cardiovascular Disease		 MO 2012015742

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
3550 MCKELVEY RD,
BRIDGETON, MO 77025-1669
Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
Content Type
OTHER
Affiliation
Y
Endpoint Location
11133 DUNN RD,
SAINT LOUIS, MO 77025-1669
Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
Content Type
CSV
Affiliation
Y
Endpoint Location
11133 DUNN RD,
SAINT LOUIS, MO 77025-1669

Additional Information

Education
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE - Graduated 2006
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ROBERT ARMBRUSTER is affiliated with the following medical group(s):
  • HOSPITAL
    • CHRISTIAN HOSPITAL NORTHEAST
      11133 DUNN ROAD
      SAINT LOUIS, MO 63136
    • MISSOURI BAPTIST MEDICAL CENTER
      3015 N BALLAS RD
      TOWN AND COUNTRY, MO 63131
    • PARKLAND HEALTH CENTER
      1101 W LIBERTY
      FARMINGTON, MO 63640
    • ST LUKE'S DES PERES HOSPITAL
      2345 DOUGHERTY FERRY ROAD
      SAINT LOUIS, MO 63122
    • WASHINGTON COUNTY MEMORIAL HOSPITAL
      300 HEALTH WAY
      POTOSI, MO 63664

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.