NPI Portal NPI Lookup & Verification

Internal Medicine in Alton, IL

53 active Internal Medicine providers practice in Alton, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Alton, IL
NPI Name Type Specialty Location
1619963063 Ahmad Karadaghy Individual Gastroenterology Physician Alton, IL
1164973947 Cep America - Illinois Hospitalists, LLP Organization Internal Medicine Physician Alton, IL
1295247534 Cep America - Illinois Snf, LLP Organization Internal Medicine Physician Alton, IL
1174151112 Cep America - Illinois Snf, LLP Organization Internal Medicine Physician Alton, IL
1639829732 Cep America - Illinois Snf, LLP Organization Internal Medicine Physician Alton, IL
1487145264 Chase Baxter Individual Pulmonary Disease Physician Alton, IL
1346654308 Chien-Jung Lin Individual Interventional Cardiology Physician Alton, IL
1568479939 Christopher Green Individual Internal Medicine Physician Alton, IL
1215044490 Christopher Pottmeyer Individual Internal Medicine Physician Alton, IL
1952417578 Colin Butterfield Individual Internal Medicine Physician Alton, IL
1760455661 D'Andrienne Jones Individual Internal Medicine Physician Alton, IL
1861651333 Da Hea Seo Individual Internal Medicine Physician Alton, IL
1073505004 David Riedel Individual Gastroenterology Physician Alton, IL
1750326930 Diagnostic Cardiology Services, Ltd Organization Cardiovascular Disease Physician Alton, IL
1558402362 Dr Greg Gabliani Ltd Organization Cardiovascular Disease Physician Alton, IL
1093821605 Edward Blair Individual Internal Medicine Physician Alton, IL
1306221346 Eric Lee Individual Internal Medicine Physician Alton, IL
1609868108 Erik Stabell Individual Internal Medicine Physician Alton, IL
1164553483 Fairview Heights Medical Group Sc Organization Internal Medicine Physician Alton, IL
1902063266 Healing Institute, LLC Organization Internal Medicine Physician Alton, IL
1851542013 Intensivo LLC Organization Critical Care Medicine (Internal Medicine) Physician Alton, IL
1386734127 Internal Medicine Specialists Ltd Organization Internal Medicine Physician Alton, IL
1861507451 James Hilgard Individual Cardiovascular Disease Physician Alton, IL
1194811430 Joanna Janas-Kaminsky Individual Internal Medicine Physician Alton, IL
1447267810 John Hoelscher Individual Internal Medicine Physician Alton, IL
1508276288 John Richards Individual Internal Medicine Physician Alton, IL
1558378927 John Wuellner Individual Internal Medicine Physician Alton, IL
1750642617 Kathleen Vest Individual Internal Medicine Physician Alton, IL
1851341366 Khalid Naseer Individual Gastroenterology Physician Alton, IL
1689667529 Kristen Stabell Individual Internal Medicine Physician Alton, IL
1467568089 Lawrence Burch Individual Internal Medicine Physician Alton, IL
1972516136 Madhusudan Vallala Individual Internal Medicine Physician Alton, IL
1316233265 Manpreet Sandhu Individual Hematology & Oncology Physician Alton, IL
1922094002 Mark Allendorph Individual Gastroenterology Physician Alton, IL
1982828422 Midwest Acute Care Consultants PC Organization Infectious Disease Physician Alton, IL
1326488594 Mohsin Salih Individual Interventional Cardiology Physician Alton, IL
1952394892 Myles Yanta Individual Pulmonary Disease Physician Alton, IL
1679774384 Nada Memon Individual Cardiovascular Disease Physician Alton, IL
1447244363 Peng Wang Individual Cardiovascular Disease Physician Alton, IL
1669460655 Rafael De La Cruz Individual Infectious Disease Physician Alton, IL
1972610921 Robert Edwards Individual Internal Medicine Physician Alton, IL
1518901545 Robert Siegel Individual Medical Oncology Physician Alton, IL
1750497319 Saint Anthony'S Physician Group Organization Internal Medicine Physician Alton, IL
1497868491 Sarnit Charnond Individual Internal Medicine Physician Alton, IL
1801831045 St Louis Cardiology Consultants Ltd Organization Cardiovascular Disease Physician Alton, IL
1013163450 St Louis Cardiology Consultants, Ltd Organization Cardiovascular Disease Physician Alton, IL
1073529475 Stanley Sidwell Individual Internal Medicine Physician Alton, IL
1275525271 Tariq Quadri Individual Internal Medicine Physician Alton, IL
1285782599 Viwathna Bhuthimethee Individual Hematology & Oncology Physician Alton, IL
1508053802 Wael Girgis Individual Endocrinology, Diabetes & Metabolism Physician Alton, IL

Frequently asked questions

How many Internal Medicine providers are in Alton, IL?
The latest NPPES snapshot lists 53 active Internal Medicine providers with a practice address in Alton, Illinois.
How do I check a Internal Medicine provider's NPI in Alton?
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.