Internal Medicine in O Fallon, IL
37 active Internal Medicine providers practice in O Fallon, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1295495208 | Alyve Medical Pllc Family Medical Clinic | Organization | Obesity Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1730490525 | Amardeep Shrestha | Individual | Internal Medicine Physician | O Fallon, IL |
| 1457526576 | Ashraf Al Dadah | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1215965660 | Atul Shah | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1336370915 | Bachir Farah | Individual | Hematology & Oncology Physician | O Fallon, IL |
| 1720173438 | Bassam Maalouf | Individual | Hematology & Oncology Physician | O Fallon, IL |
| 1669785408 | Bassim Assioun | Individual | Nephrology Physician | O Fallon, IL |
| 1689802001 | Brian Reichardt | Individual | Critical Care Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1255634424 | Ca Group, LLC | Organization | Cardiovascular Disease Physician | O Fallon, IL |
| 1992204184 | Cep America Illinois Intensivists | Organization | Critical Care Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1093380180 | Cep America-Illinois Hospitalists, LLP | Organization | Internal Medicine Physician | O Fallon, IL |
| 1558771220 | Christopher Sutton | Individual | Pulmonary Disease Physician | O Fallon, IL |
| 1366702870 | Crystal Manse | Individual | Internal Medicine Physician | O Fallon, IL |
| 1730190018 | David N. Pfohl, MD, LLC | Organization | Geriatric Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1477019909 | Family Medical Clinic Pllc | Organization | Internal Medicine Physician | O Fallon, IL |
| 1497072854 | Frederick Ochieng' | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1386028124 | Hasan Rehman | Individual | Interventional Cardiology Physician | O Fallon, IL |
| 1508952318 | John Scally | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1629164678 | Justin Floyd | Individual | Medical Oncology Physician | O Fallon, IL |
| 1306020664 | Mark Walshauser | Individual | Hematology & Oncology Physician | O Fallon, IL |
| 1578887063 | Michael Hushion | Individual | Clinical Cardiac Electrophysiology Physician | O Fallon, IL |
| 1124299615 | Mid America Heart, PC | Organization | Cardiovascular Disease Physician | O Fallon, IL |
| 1043523269 | Msa Alliance, LLC | Organization | Rheumatology Physician | O Fallon, IL |
| 1689097529 | Msa Alliance, LLC | Organization | Sleep Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1194107524 | Muhammad Sheikh | Individual | Interventional Cardiology Physician | O Fallon, IL |
| 1861519563 | Pavan Gupta | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1699806638 | Rajeev Dewan | Individual | Geriatric Medicine (Internal Medicine) Physician | O Fallon, IL |
| 1043272693 | Regina Chiu | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1255644191 | Rugheed Ghadban | Individual | Clinical Cardiac Electrophysiology Physician | O Fallon, IL |
| 1063578284 | Scott Marrus | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1407067184 | Shiyam Satwani | Individual | Interventional Cardiology Physician | O Fallon, IL |
| 1326268202 | St Elizabeths Hospital of the Hospital Sisters of the Third Order | Organization | Cardiovascular Disease Physician | O Fallon, IL |
| 1922454099 | Summit Pandat | Individual | Clinical Cardiac Electrophysiology Physician | O Fallon, IL |
| 1023128113 | Thomas Cahill | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1275799850 | Venkatesh Anjan | Individual | Interventional Cardiology Physician | O Fallon, IL |
| 1104207984 | Vinaya Mulkareddy | Individual | Cardiovascular Disease Physician | O Fallon, IL |
| 1255741278 | Zachary Berg | Individual | Pulmonary Disease Physician | O Fallon, IL |
Frequently asked questions
How many Internal Medicine providers are in O Fallon, IL?
The latest NPPES snapshot lists 37 active Internal Medicine providers with a practice address in O Fallon, Illinois.
How do I check a Internal Medicine provider's NPI in O Fallon?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.