HealthcareDiscovery.AI / Doctors / Illinois / Buffalo Grove / Internal Medicine

Internal Medicine in Buffalo Grove, Illinois

Data updated monthly · Last refresh September 2026

24 Internal Medicine providers practice in Buffalo Grove. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Buffalo Grove

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. Carl Lang, M.D.
Buffalo Grove, IL · $1,556 in drug and device payments (2025) · (847) 632-1880
Dr. Chuck Vrasich, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-0351
Dr. David Charman, M.D.
Buffalo Grove, IL · $1,245 in drug and device payments (2025) · Telehealth · (847) 632-1880
Dr. Della Mathew, MD
Buffalo Grove, IL · $1,947 in drug and device payments (2025) · (847) 955-1144
Dr. Gabriel Kibrit, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 459-7860
Dr. Heidi Wehlus, M.D.
Buffalo Grove, IL · $100 in drug and device payments (2025) · Telehealth · (847) 495-2311
Dr. Hoyee Chan, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 520-9424
Dr. Irina Goldvekht, D.O.
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-0351
Dr. Jules Marks, D.O.
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 537-7744
Dr. Juwon Lee, DO
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 520-9424
Dr. Khrystyna Deka, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 459-1160
Dr. Lena Virasch, D.O.
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-0351
Dr. Leo Gutt, M.D.
Buffalo Grove, IL · No drug or device payments recorded (2025) · (630) 542-7895
Dr. Lidiya Kupriyenko, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 459-1160
Dr. Margaret Fruhbauer, DO
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 618-0351
Dr. Mark Charman, M.D.
Buffalo Grove, IL · $1,292 in drug and device payments (2025) · Telehealth · (847) 632-1880
Dr. Michael Unger, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 459-1160
Dr. Oksana Batejko, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 223-9494
Dr. Olga Zarkh, MD
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 818-7700
Dr. Radha Soundarrajan, M.D.
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 459-1160
Dr. Stuart Ferber, M.D.
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-0351
Dr. Susan Nelson, M.D.
Buffalo Grove, IL · No drug or device payments recorded (2025) · Telehealth · (847) 618-0351
Dr. Thomas Heggen, MD
Buffalo Grove, IL · $19 in drug and device payments (2025) · (847) 850-5882
Dr. Wendi Marcus, M.D.
Buffalo Grove, IL · No drug or device payments recorded (2025) · (847) 618-0351

Conditions Internal Medicine providers in Buffalo Grove, 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.

Common questions

How many Internal Medicine providers are in Buffalo Grove, Illinois?

There are 24 Internal Medicine providers with active NPI records practicing in Buffalo Grove, according to federal NPPES data refreshed monthly.

What conditions do Internal Medicine providers in Buffalo Grove treat?

Internal Medicine providers in Buffalo Grove 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 Buffalo Grove Internal Medicine across Illinois

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.