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Our Medical Team

Bay Area Gastroenterologists

Dr Scott Levenson and Dr Roger Kao are gastroenterologists and hepatologists who focus on the prevention, diagnosis and treatment of digestive disorders and liver conditions. As physicians and GI Specialists, our goal is to put patient care above all else.

We pride ourselves in taking the time to get to know you, so we can better care for you. Please let us know how we can help you.

Medical Insurance

At the Digestive Care Medical Center we accept a wide range of medical insurances. If your insurance is not listed below please call us for more information. We are not contracted with HealthNet, or Medi-Cal.

  • Aetna HMO/PPO
  • Blue Cross PPO/HMO (San Mateo Network)
  • Blue Shield HMO / POS / PPO
  • Cigna
  • United Health Care HMO / POS / PPO
  • Medicare
  • Health Plan of San Mateo
  • Great West/One Health Plan
  • Government Employees Health Association (GEHA)
  • Coverty/First Health
  • Mail Handlers
  • HealthWorx

About the Digestive Care Medical Center Gastroenterology (GI) Physician Specialists

Dr. Scott Levenson was raised on the Peninsula. After graduating from Menlo-Atherton High School, he attended college at the University of California, San Diego. Dr. Levenson completed medical school at the University of Michigan and his internal medicine residency at University of Washington.

In 1992, Dr. Levenson completed his fellowship in Gastroenterology and Hepatology at the University of California, San Francisco (UCSF) and is board certified in Gastroenterology. Dr. Levenson’s wife is a Registered Dietician and they have three young boys. In addition to patient care, Dr. Levenson enjoys running, skiing, and hiking.

Dr. Levenson also speaks conversational medical Spanish.

Dr. Roger Kao was born and raised in Portland, Oregon. After his undergraduate work at the University of Washington, he moved to the mid-west and obtained his medical degree from Chicago Medical School.

He then went on to complete his internal medicine residency and Gastroenterology and Hepatology fellowship at the University of Illinois, Chicago. In between residency and fellowship training, Dr. Kao worked in the community as an internist at Evanston Northwestern Hospital. Dr Roger Kao is also board certified in Gastroenterology and Hepatology.

In his free time, Dr. Kao enjoys playing the piano, listening to live music and traveling. He and his wife, who were recently married in her hometown of Padova, Italy, also love to bike, run and enjoy the outdoors.

Dr. Roger Kao is fluent in Mandarin Chinese and conversational medical Spanish.

About Gastroenterology & Hepatology



A gastroenterologist is an internal medicine doctor who specializes in diagnosing and treating diseases of the gastrointestinal tract. This includes diseases of the esophagus, stomach, small intestine, pancreas, bile ducts, colon and rectum. A gastroenterologist can also perform multiple diagnostic and therapeutic endoscopic procedures involving the gastrointestinal tract.

Hepatologist (Liver Specialist)

Hepatology is the study of liver disease. Many gastroenterologists receive additional training and specialize in the treatment of various liver diseases. Common liver diseases in the United States include viral hepatitis, such as hepatitis C, alcoholic liver disease, fatty liver (also known as NASH) and other various diseases.
Common Conditions Treated by Dr Scott Levenson and Dr Roger Kao

Common GI Conditions

Cirrhosis of the Liver
Colorectal Cancer
GERD or Heartburn- Gastroesophageal reflux disease
Hepatitis: Hepatitis B/Hepatitis C
Inflammatory Bowel Disease (IBD) Crohn’sDisease
Irritable Bowel Syndrome (IBS)
Peptic Ulcer Disease
Ulcerative Colitis