Dr. Madej is of Polish decent. He attended medical school in Poland and after graduation worked as a faculty member at the most prestigious medical school in Warsaw, Poland. Part of his postgraduate training was done in London and Oxford, England. In 1992, Dr. Madej was offered a scholarship and a position at the University of California, San Francisco, and moved to the United States. He completed his residency at Northeastern Ohio University College of Medicine, and then returned to Northern California and opened a private practice. Dr. Madej specializes in Internal Medicine and is Board Certified.

The past 20+ years, Dr. Madej has established a very successful medical practice in the San Francisco Bay Area – Silicon Valley. He has worked closely with some of the best specialists from several prestigious medical facilities, including University of San Francisco and Stanford University, where he received extensive knowledge and clinical experience, making him one of the best primary care specialists in the area.

Dr. Madej's success comes from his unique approach to his patients' well-being. He cares for each patient like his friend or family member. He is not practicing alternative medicine, but has an open mind when searching for answers to complex medical problems, which are not always found in the medical books. He became very well known for diagnosing and managing patients with various complicated and unusual medical conditions that other doctors had given up on. Dr. Madej does not give up on his patients---ever.

In his practice, Dr. Madej has had the pleasure of working with people from all walks of life; from the underprivileged and disadvantaged, to Silicon Valley's high level CEO's. He enjoys treating patients from their teenage years through their senior years. Everyone is treated with the same utmost respect and attention to provide the best health care possible.

San Francisco Bay Magazine selected Dr. Madej as one of the top internists in the area in 2016, 2017, and 2018. He also received Physician of the Year Award, and was nominated by his patients for Man of the Year Award. Visit Yelp to see more information provided by Dr. Madej's patients in the detailed and heartfelt reviews he has received from the outstanding personal attention and care each person has received with Dr. Madej as their doctor.