After serving for eight years as the Los Angeles Raiders' team physician and for 4 years as president and president- elect for the NFL Physician's Society, he wrote You’re OK, It’s Just a Bruise—A Doctor’s Sideline Secrets about Pro-Football’s Most Outrageous Team, which provoked a national debate on anabolic steroids and other ergogenic aids over a decade before the senate "steroid" hearings. This book reportedly served as the basis for Oliver Stone’s Any Given Sunday; Matthew Modine played Huizenga in the movie. Huizenga sued Warner Brothers-AOL over screenwriter and source material credit after the movie was released and won an undisclosed settlement. He continues to be active in the world of professional sports, being called in 2009 as an expert witness by the House Judiciary Committee looking into catastrophic brain injuries in football players. Huizenga was a defense witness in the 1995 O.J. Simpson murder trial. Simpson defense lawyer Robert Shapiro chose to take Simpson to Huizenga for medical examinationthree days after the murders of Nicole Brown Simpson and Ronald Goldman, and delivered testimony of his findings at trial He has had recurring roles as writer, correspondent and advisor on numerous TV shows and movies, including, most recently, The Biggest Loser, Extreme Makeover, American Gladiators, Student Body, Dance Your Ass Off, Fourth and Long, Into the Wild, and Gone Girl. Past consulting jobs include Trapper John, M.D., Nurses, Empty Nest and House of God. In 2008, Huizenga authored Where Did All the Fat Go? The Wow! Prescription to Reach Your Ideal Weight and Stay There, about his straightforward obesity treatment based on knowledge gained while working with professional athletes and on NBC's The Biggest Loser. In January 2013, he opened "The Clinic", a combination resort, spa, and medical facility focusing on body optimization as well as the treatment of obesity and obesity-related illness. In 2019, Huizenga released Sex, Lies and STDs: The Must Read Before You Swipe Right. The initial chapters chronicle Huizenga's intern days when he cared for one of the first individuals diagnosed with HIV. It later chronicles the November 2015 events surrounding Charlie Sheen's announcement of his HIV status on The Today Show. The book ends with a summary section about STD prevention, presentation, and treatment.
Personal life
Huizenga's father, John R. Huizenga, was an all-star basketball and baseball player before serving as a member of the Manhattan Project and later receiving the Ernest Orlando Lawrence Award for nuclear physics for his nuclear fusion research. After Drs. Fleischmann and Pons announced they had created sustained nuclear fusion, John Huizenga co-chaired the U.S. President-created Department of Energy panel charged with investigating these claims, then penned Cold Fusion: The Scientific Fiasco of the Century, about his experiences. Robert Huizenga and his former wife, Wanda, have three children.