Internal Medicine in Oak Forest, Illinois
Data updated monthly · Last refresh September 2026
17 Internal Medicine providers practice in Oak Forest. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Oak Forest
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. Admasu Kumssa, MDOak Forest, IL · $33 in drug and device payments (2025) ·
(708) 663-3478 Dr. Danilo Pacheco, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-3478 Dr. Emil MakarOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Fahmeeda Begum, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Farrukh Jahan, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 663-3478 Dr. Isaac Morcos, ISAAC MORCOS,M.D.Oak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Joseph Eddie Woo, M.D.Oak Forest, IL · No drug or device payments recorded (2025) ·
(708) 597-8948 Dr. Joyce Gertzen, M.D.Oak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Maria Rhodora Chan, M.D.Oak Forest, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 787-7821 Dr. Mathew George, M.D.Oak Forest, IL · $107 in drug and device payments (2025) ·
(708) 687-7200 Dr. Olivia Patch, M.D.Oak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-4285 Dr. Ranjit Sigamony, M.DOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Sameena Ziauddin, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-3487 Dr. Sophia Chin, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-3478 Dr. Susan Caroline Arreola, M.D.Oak Forest, IL · No drug or device payments recorded (2025) ·
(708) 687-7200 Dr. Uday Talwalkar, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-3487 Dr. Zaia Lachin, MDOak Forest, IL · No drug or device payments recorded (2025) ·
(708) 633-3478 Conditions Internal Medicine providers in Oak Forest, 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 Oak Forest, Illinois?There are 17 Internal Medicine providers with active NPI records practicing in Oak Forest, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Oak Forest treat?Internal Medicine providers in Oak Forest 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 Oak Forest Internal Medicine across Illinois
