Helping people get relief from daily allergy, sinus and breathing problems.

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Welcome to the Allergy, Asthma and Sinus Centers of Silicon Valley!
We are a medical practice specializing in the care of allergic diseases for adults and children. We strive to help you gain control of your asthma, allergies, sinus infections, eczema, hives, food, insect and medication allergies. We offer personalized care for all your allergy issues. Schedule your appointment today, and start feeling relief tomorrow.

the simple facts regarding allergy and asthma in the United States

children in Alameda County

have been diagnosed with asthma by a health provider. Source: California Health Interview Survey (CHIS), 2009

1  in   3
children will develop allergies

if only one parent has allergies. But the rate climbs to 7 in 10 if both parents have allergies.

1  in   12
Americans live with asthma

which is equivalent to 8% of the US population. The number of people with asthma continues to grow.

children have food allergies

which is equivalent to 2 kids in every classroom. The prevalence of food allergy has increased 18% from 1997 to 2007.

I would not hesitate to recommend Dr. Lien to my friends and family. He is truly a caring doctor with a passion to help his patients.
- Charlene S.

I have been much more active outdoors and my Allergies this year have been so much better with immunotherapy that I have been receiving under his care. I would strongly recommend Dr.Lien to my friends and family.
- Randy M.

Dr. Lien, My peak flow readings daily were above 400--levels I haven't had in quite a while! Thank you for your care and advocacy. I am truly grateful.
- Ann

...I am very grateful to you for showing me that I can control my eczema through my diet. I wish the other doctors would take diet into consideration when working with eczema patients.
- Anonymous

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20400 Lake Chabot Road
Suite 304
Castro Valley, CA  94546
phone: 510.537.0700
fax: 510.537.7795