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About John J. Feng, M.D., FACS

About Dr. John Feng bay area weight loss surgeon

After completing specialty training in advanced minimally invasive, laparoscopic bariatric surgery in 2002, Dr. Feng entered private practice and has established himself as an expert and specialist in minimally invasive surgery for treating obesity and many general surgery disorders. After thriving in solo practice in San Mateo, California, Dr. Feng joined the Palo Alto Medical Foundation Medical Group in the San Carlos Center in September 2009.  He firmly believes that the multispecialty clinic model at PAMF is the best method of patient care.  His practice involves care from dedicated registered dieticians, psychological support, and medical specialists to provide the most comprehensive care for his patients.

Dr. Feng’s specialty interests include Robotic and Laparoscopic Surgery for treatment of Morbid Obesity. He also has interests and expertise in a variety of Advanced Laparoscopic Surgery for treatment of many surgical diseases such as acid reflux, hiatal hernia, achalasia, tumors, ulcers, feeding tube needs, bleeding, adhesions, small intestine disorders, colon cancer, diverticulitis, solid organ tumors, and gallbladder disorders such as gallstones, gallbladder polyps and dyskinesia.

A highly-trained expert in Laparoscopic, or Minimally Invasive Surgery, Dr. Feng has developed many areas of expertise in his practice and authored numerous articles on many of these subjects.

Click here to learn more about Dr. Feng

Click here to learn more about Dr. Feng

Why Choose Dr Feng?

  • Dr. Feng prides himself on being compassionate and dedicated to the weight loss program.

  • Dr. Feng uses the latest/newest minimally invasive techniques to treat morbid obesity, including robotic techniques with the Intuitive Da Vinci Surgical Robot.

  • Dr. Feng is an expert in and performs the latest technique of the restrictive vertical sleeve gastrectomy or gastroplasty, also known just as the sleeve gastrectomy. This technique has mostly replaced the gastric bypass, and offers patients the main option who are not candidates for gastric banding or the bypass. The vertical sleeve gastrectomy may offer better outcomes by being safer with fewer short- and long-term complications with similar weight loss results, and probably offers an the most effective solution for a wider range of patients.
  • Dr. Feng is one of the most experienced surgeons with a compassionate, caring and comprehensive surgical weight loss program with long-term follow-up and support.  His team of medical experts and registered dieticians strive to optimize weight loss goals while avoiding metabolic and nutritional risks and adverse events.

  • Center of Excellence Surgeon: After spending 4 years as Medical Director of Bariatric Surgery Services at California Pacific Medical Center in San Francisco, California, Dr. Feng became the Medical Director of Bariatric Surgery Services at Sequoia Hospital in Redwood City, California on the San Francisco Peninsula also for 4 years. As director, Dr. Feng helped CPMC become a Center of Excellence designated by the American Society for Metabolic and Bariatric Surgery. This designation means that while complications and issues are possible in any surgery, the rates of complications performed at a Bariatric Surgery Center of Excellence are extremely low if performed by the right surgeon. 
  • As one of the surgeons at PAMF or the Palo Alto Medical Foundation, he sits on the Centers of Excellence Weight Management committee at the PAMF Clinics to create and help maintain a program both in the office and at the hospital that has allowed patients to receive excellent care in a supportive, compassionate, experienced and comprehensive environment.  He performs all his bariatric surgery at the Bariatric Surgery Program at El Camino Hospital in Mountain View, California, which is recognized both as a American Society for Metabolic and Bariatric Surgery (ASMBS) Center of Excellence and Blue Cross Blue Distinction and Blue Distinction+ Center.  His regular participation in the Bariatric patient care program committee at El Camino Hospital allows Dr. Feng to help contribute, fine tune and optimize care for his patients who undergo surgery there.
  • His extensive experience in the care and surgical treatment of all his bariatric patients led to him to further his training to the next level in robotically-assisted laparoscopic bariatric surgery. 

  • Dr. Feng brings his surgical excellence in care via some of the San Francisco Bay Area’s top hospitals and bariatric programs. Learn more about Affiliated Hospitals.

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