Internal Medicine in Granite City, Illinois
Data updated monthly · Last refresh September 2026
11 Internal Medicine providers practice in Granite City. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Granite City
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Jowe Hsieh, MDGranite City, IL · No drug or device payments recorded (2025) ·
(618) 452-3301 Dr. Kanubhai Patel, M.D.Granite City, IL · No drug or device payments recorded (2025) ·
(618) 877-3066 Dr. Lawrence Harmon, MDGranite City, IL · $145 in drug and device payments (2025) ·
(618) 451-1500 Dr. Leyland Thomas, MDGranite City, IL · $92 in drug and device payments (2025) ·
(618) 452-3301 Dr. Michael Adams, MDGranite City, IL · $1,384 in drug and device payments (2025) ·
(618) 452-3301 Dr. Oladele Ajao, MDGranite City, IL · $124 in drug and device payments (2025) ·
(618) 452-3301 Dr. Prasanna Kumar, M.D.Granite City, IL · No drug or device payments recorded (2025) ·
(618) 877-3066 Dr. Rajinder Mahay, MDGranite City, IL · $1,010 in drug and device payments (2025) ·
(618) 451-1500 Dr. Riyadh Salih, MDGranite City, IL · No drug or device payments recorded (2025) ·
(618) 798-3000 Dr. Rod Hartzel, MDGranite City, IL · No drug or device payments recorded (2025) ·
(618) 451-1500 Dr. Timothy HipskindGranite City, IL · No drug or device payments recorded (2025) ·
(618) 798-3000 Conditions Internal Medicine providers in Granite City, Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Granite City, Illinois?There are 11 Internal Medicine providers with active NPI records practicing in Granite City, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Granite City treat?Internal Medicine providers in Granite City commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Granite City Internal Medicine across Illinois
