“Dr. Jain was recently named "Patient Preferred Immunologist of the Year" for the state of California by the exclusive network of Patient Preferred Physicians & Practitioners! Congratulations, Dr. Jain!


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    We are beyond excited!! Tune in at 6 pm PST on TBS/TNT, this Thursday September 19 to see our own Dr. Sanjeev Jain and the AMAZING staff at Columbia Asthma & Allergy's Fisher's Landing, WA office featured on Chasing The Cure!

    Chasing the Cure is a groundbreaking initiative that brings together a weekly live television broadcast with a 24/7 global digital platform in an effort to help people who are suffering from undiagnosed, misdiagnosed or uncured medical mysteries. A panel of top doctors will work alongside the Chasing the Cure audience to help crack patients’ cases




Columbia Asthma & Allergy Clinic is a leading asthma, immunology and allergy practice with 13 convenient locations across state lines in Fremont, Oakland, Redwood City, Sunnyvale, San Mateo, and San Leandro, California; Clackamas and Gresham, Oregon; Bellevue, Fishers Landing, Longview, and Salmon Creek, Washington; and Eagle, Idaho.

Columbia Asthma & Allergy Clinic offers a varied and expansive range of diagnostics and treatments since each practitioner comes from a different specialty background. The staff of highly trained physicians, nurses, and medical assistants includes experts in allergies, immunology, pediatrics, and internal medicine. 

With such a wide scope of medical backgrounds, team members can take advantage of each other’s expertise and are always available to answer questions from patients as well as other physicians. 

The practice’s Sanjeev Jain, MD, PhD, was the first doctor in the world to successfully desensitize patients from shrimp allergies, and his achievements don’t stand alone. The staff is comprised of some of the best physicians in the fields of allergy and asthma who have been pioneers in various training programs and innovative treatments.

Patients at Columbia Asthma & Allergy Clinic enjoy comprehensive care, where no issue is too specialized, and get the most out of each appointment. With multiple locations and a culturally diverse team offering their services in several languages, the staff at Columbia Asthma & Allergy Clinic looks forward to helping patients of all ages and backgrounds get relief from their asthma and allergic reactions.

“Our exceptional care team consisting of Physicians, Nurses, and Medical Assistants will always prioritize your care, and are dedicated to building lasting relationships for years to come. We value culturally competent care and strive to ensure that each patient comes out of every appointment feeling empowered, heard, and never rushed.”


Words from our patients

  • 5 star

    Dr. Jain has a reputation for developing protocols to desensitize his patients to nearly everything. The staff is professional, friendly, and competent.

    Jerome H.
  • 5 star

    Dr. Welch is down to earth and kind. He is also very knowledgable about asthma and allergies. I also impressed with his knowledge about the medications available.

    Karen F.
  • 5 star

    I can't speak highly enough about the staff and care here! They made the stressful OIT process as enjoyable as possible with their friendly faces and genuine care.

    Elise C.