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Infectious Diseases, Travel Medicine
English, Spanish
Practice Name
EvergreenHealth Infectious Disease Care
Primary Address
12303 NE 130th Lane, Suite Coral 120
Kirkland, WA 98034
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Primary Phone
Primary Fax
Practice Website
Clinical Expertise
HIV medicine and co-infections, Hepatitis C treatment, Tropical Medicine, Infections in the immunocompromised patient, bone, soft tissue and post-operative infections.
Board certified in Infectious Disease and Internal Medicine
Practicing Since
Dr. Diego Lopez de Castilla has successfully treated over a 100 patients with chronic hepatitis C. He is an expert in prevention and treatment of infections.
My goal is to understand and address my patient's concerns. By applying the most current medical evidence, I partner with you to develop a treatment plan that best fits your individual needs.
Personal Information
I love traveling with my wife and two children, whether it is visiting family scattered across the globe or discovering new destinations. I enjoy cooking/eating Peruvian and Mediterranean food. I'm a master scuba diver, triathlete and ironman, and play soccer, F1.
Medical School
Universidad Peruana Cayetano Heredia | Lima, Peru
Beth Israel Medical Center | New York, NY
University of Washington, Infectious Diseases | Seattle, WA
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Patient Satisfaction Reviews


35 patients rated this physician.

The Provider Rating score is an average of all responses to care provider related questions on our nationally-recognized Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5 with 5 being the best score.

Provider Explanations Easy to Understand
Provider Listened Carefully
Provider Gave Easy to Understand Instructions
Provider Knew Medical History
Provider Showed Respect

Patient Comments (6 comments)

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of EvergreenHealth.

Reviewed on September 19, 2017

Dr. Lopez de Castilla Koster is exceptionally good.
Reviewed on June 30, 2017

He explained things to avoid, warm for during in international trip.
Reviewed on May 26, 2017

Very thorough/personable/friendly.
Reviewed on April 27, 2017

Understood our situation and need for inoculations for upcoming foreign travel to a tropical area.
Reviewed on April 27, 2017

I have already referred a friend to this provider.