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Catherine Eng

Expert Profile

Catherine Eng

Medical Director
On Lok SeniorHealth
health care for frail senior citizens in San Francisco and Fremont
comprehensive health care plans
alternatives to nursing homes
geriatric medicine
internal medicine and gastroenterology
electronic medical record systems


Dr. Catherine Eng is medical director of On Lok, a nonprofit organization founded in the early 1970s by a group of citizens concerned about the plight of frail elders and the lack of long-term options in the community. Eng has always had an interest in health care for the elderly. In 1981, she joined On Lok as a staff physician, and in 1992 became medical director of the health plan. On Lok SeniorHealth is a comprehensive health plan that provides long-term care for eligible seniors living in San Francisco and Fremont. The program offers full medical care and support services with the goal of helping seniors live at home and in the community for as long as possible. Eng has played a major role in the development of the PACE model and On Lok's innovative electronic medical record system (ICCIS). She served as the first chair of the Primary Care Committee of the National PACE Association. Eng also serves as a clinical professor of medicine at the University of California, San Francisco. Eng received her B.A. at Wellesley College and her M.D. from Columbia University. She completed her internship and residency training in internal medicine and a subspecialty in gastroenterology at Presbyterian Hospital/Columbia-Presbyterian Medical Center in New York. Eng is board-certified by the American Board of Internal Medicine with a subspecialty in gastroenterology. She also has a Certificate of Added Qualifications in geriatric medicine.

1333 Bush Street
San Francisco  California  94109
United States
Office Phone: 
(415) 292-8888
Office Fax: 
(415) 292-8745


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