John E. Anderson, DO

Northwestern Medicine is proud to have five hospitals ranked among “America’s Best,” including Northwestern Memorial Hospital, the only Illinois hospital to be ranked No. 1 for 14 straight years, by U.S. News & World Report, 2025 – 2026. We are leading the quest for better care in the Chicago area and beyond. With more than 200 locations across Chicagoland, better care and better treatments are never far from home. To learn more, visit our website.

Dr. Syed W. Haider is a highly-rated internist affiliated with the Northwestern Medicine Regional Medical Group in McHenry, IL, specializing in internal medicine and hospital medicine. Known for his exceptional patient care, Dr. Haider is committed to delivering personalized healthcare and fosters a caring environment where patients feel heard and valued. With a robust educational background from the University of Health Sciences Antigua School of Medicine and a residency at St. Luke's Hospital, he is board-certified by the American Board of Internal Medicine. Dr. Haider is consistently praised by his patients for his thorough approach, compassionate nature, and the ability to address complex health concerns effectively. Generated from the website

Northwestern Medicine is proud to have five hospitals ranked among "America's Best" by U.S. News & World Report, 2023 - 2024. Anchored by Northwestern Memorial Hospital, the only Illinois hospital on the U.S. News & World Report national Honor Roll for 12 straight years in a row, Northwestern Medicine is leading the quest for better care and better treatments in the Chicagoland area. With more than 200 locations across Chicagoland, better care and better treatments are never far from home. To learn more, visit our website.