ABOUT US
solutions, our most important commitment is the lasting well-being of every
individual who walks through our doors.
Our mission is to provide personalized care
for allergies and asthma.
From our earliest days, we have been a pioneer in breakthrough customized approaches to treating asthma and allergy, including desentization treatments for shrimp and nut allergies. Through it all, we have always ensured that our treatments fit our patients’ real lives.
Our Philosophy

EXPERIENCE
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.

DIVERSITY
We have a culturally diverse staff of highly trained physicians, nurses, and medical assistants, including experts in allergies, immunology, pediatrics, and internal medicine.

PERSONALIZATION
Patients at Columbia Allergy enjoy comprehensive care—where no issue is too specialized—in order to get the most out of each appointment.
Our Team

Sanjeev Jain, MD, PhD, FACAAI
Founder and CEO, All Locations

Kiren Jain, M.D.
Diagnostic Radiologist

Adam Cherry PA
Physician Assistant, Clackamas, Gresham, Fisher's Landing, WA

Melissa Hutton PA
Physician Assistant, Oakland, CA
California

Swetha Gurajala, PA-C
Physician Assistant, WA

Sanjeev Jain, MD, PhD, FACAAI
Founder and CEO, All Locations

Umesh Sab MD, FACAAI, RhMSUS
Rheumatologist, Redwood City, CA

Melissa Hutton PA
Physician Assistant, Oakland, CA
Oregon

Sanjeev Jain, MD, PhD, FACAAI
Founder and CEO, All Locations

Adam Cherry PA
Physician Assistant, Clackamas, Gresham, Fisher's Landing, WA

Melissa Hutton PA
Physician Assistant, Oakland, CA

Michael Noonan, MD, FACAAI
Allergist, Pacific Region, WA, OR
Washington

Lyndon Lewis PA-C
Founder and CEO, All Locations

Sanjeev Jain, MD, PhD, FACAAI
Founder and CEO, All Locations

Adam Cherry PA
Physician Assistant, Clackamas, Gresham, Fisher's Landing, WA

Julia Gibbons NP
Nurse Practitioner, Longview, WA

Chau Brodnan, Dietician
Dietician, Bellevue, WA

Melissa Hutton PA
Physician Assistant, Oakland, CA













