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Internal Medicine - Cardiovascular Diseases in O Fallon, IL

Browse 9 Internal Medicine - Cardiovascular Disease providers listed in NPPES with a practice address in O Fallon, Illinois.

9 Healthcare Providers

How O Fallon compares with the U.S.

9 active clinicians in Internal Medicine - Cardiovascular Disease list a practice address in O Fallon, IL in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine - Cardiovascular Disease in O Fallon are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“9 of 9 providers
With recent CMS data first, then Aโ€“Z

Dr. Ashraf Salah Al Dadah , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
3 Saint Elizabeth Blvd Ste 2800, O Fallon, IL 62269
Phone: 6182336044
NPI Identifier 1457526576
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Dr. Thomas B. Cahill , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1023128113
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Dr. Regina Y Chiu , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1043272693
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Dr. Pavan Kumar Gupta , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1861519563
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Dr. Scott Benjamin Marrus , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1063578284
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Dr. Vinaya Mulkareddy , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
3 Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1104207984
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Dr. Frederick Otieno Ochieng' , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
3 Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1497072854
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Dr. John Patrick Scally , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1508952318
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Dr. Atul Shah , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL 622691282
Phone: 6182336044
NPI Identifier 1215965660
View Full Profile

Frequently Asked Questions about Internal Medicine - Cardiovascular Disease in O Fallon

How do I check a Internal Medicine - Cardiovascular Disease practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.