Welcome to our office.  Our goal is to give the best care possible, in partnership with you and your family.

We are a group of internists, working together to provide high quality primary care of adults, including preventative medicine, physicals, treatment of acute illness, management of chronic conditions, and promotion of women's health.

If you need a specialist, your physician will refer you to a preferred doctor on your insurance plan.  We will make every effort to accommodate patients who need to be seen right away, usually the same day.


Dr. Jane W. Chien

Drawing upon her many years of training and experience, Dr. Chien will strive to provide you and your loved ones with the best, most compassionate care possible.  She has practiced internal medicine in the Good Samaritan and El Camino Los Gatos community for the last 20 years. 

From 1997 - 2011 she was a partner in an independent private group internal medicine and primary care practice at 2410 Samaritan Dr, Ste 201, San Jose.  From 2012 - 2017 she continued practicing in the same location as part of Stanford Health Care. In 2018 she returned to independent practice at 14981 National Ave, Ste 6, Los Gatos, together with her long time internal medicine colleagues Drs. Gopi and Mandeep Ayer.


Dr. Gopi Ayer
Curriculum Vitae

Dr. Gopi Ayer

Dr. Gopi Ayer is an experienced internist and diagnostician who has practiced at Good Samaritan Hospital and El Camino Hospital for over 25 years. He completed residency in Chicago at Christ Hospital, a Rush-Presbyterian University affiliate, having done his medical training in Liverpool and Manchester, UK and in India. He specializes in the management of complex medical problems, yet has an affable and approachable manner which helps you understand these problems with great clarity. He founded and is the president of one of the oldest hospitalist medical groups in the Santa Clara Valley, the Samaritan Emergency Medical Group and is an active hospitalist. He usually admits and cares for his own patients at Good Samaritan and El Camino Hospitals, as well as those of his colleagues who trust him with their hospitalized patients. He has had years of service at Good Samaritan Hospital as Chief of the Department of Medicine, member of Medical Staff Executive Committee, Quality Assurance Committee and the Staff Judiciary Committee. He is now focused on providing you and your loved ones the best medical care with care, compassion and competence both in the medical office and in the hospital.

He enjoys hiking holidays to the Andes, the Alps and South New Zealand and practices photography including large format photography. His 2018 Cabernet Sauvignon is showing a nice turn in the bottle, while the 2019 vintage, still in barrel has promise.


Dr. Mandeep Ayer
Curriculum Vitae

Dr. Mandeep Ayer

Dr. Mandeep Ayer has practiced internal medicine for over 20 years, initially at the San Jose Hospital and now serves the health needs of the Good Samaritan and El Camino Hospital communities. Known for her caring and efficient approach to patient care, she is loved by her patients who value her knowledge, compassion and humor, some of whom have trusted three generations of their families to her care. She completed her residency at Christ Hospital, Chicago, a Rush-Presbyterian University affiliate and honed her skills at the front lines of private practice in Los Gatos. Strongly committed to the concept of independent physicians looking after their own patients, she is a strong advocate for her patients in a small, comfortable and caring office environment where high quality medical care and compassion meet in equal measure.