Internal Medicine Physician in Chicago, IL

Ranked by profile completeness, registry tenure & documented Medicare activity — an honest, data-backed ordering, not a quality, outcomes, or patient-satisfaction verdict.

Compare 3,306 Internal Medicine Physician providers with a practice address in Chicago, Illinois. Every entry is a real NPI record you can open and verify; 97% of the ranked results below have a street-level (rooftop) location.

Providers in city

3,306

Street-level located

97%

Registry vintage

June 2026

Ranked Internal Medicine Physician

Top 30 of 3,306

3,306 Internal Medicine Physician practice in Chicago. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
William GerardiM.D.

Ranking reflects NPPES profile completeness, registry tenure, and documented Medicare activity (where present) — see our methodology. It is not a measure of clinical quality or patient satisfaction. Source: CMS NPPES (June 2026); specialty taxonomy: NUCC. Locations are geocoded from the public practice address.