My Doctor Online The Permanente Medical Group

Are you having back pain with any of the following?

  • Severe pain, weakness or tingling in your leg(s).
  • Difficulty stopping urination or loss of control of bladder or bowels.
  • Unexplained fever, nausea or vomiting.
  • A history of cancer or unexplained weight loss.

We understand that you are experiencing one or more of the health issues that might be impacting your back pain.

We recommend that you discuss these health issues with your doctor before proceeding with this program.

Once you are cleared by your doctor to do this program, we hope it helps you find relief from your back pain.

Provider photo for Winson Koo

Winson Koo, MD

Family Medicine

Welcome to My Doctor Online, a web site that my colleagues and I developed to make it easier for you to take care of your healthcare needs. On this site you will find answers to many of your questions about my clinical practice. Also included are several online features that will allow you to e-mail me, check your laboratory results and refill prescriptions. I hope you find its content informative and useful.

My Offices

Santa Clara Homestead
Appt/Advice: 1-408-554-9800

See all office information »

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Personal

Family and Friends

I was born and raised in Sunnyvale, CA. My family was born and raised in Hong Kong and moved here over 30 years ago. They have been permanent fixtures in Sunnyvale for over 30 years and run a successful apartment management company. I am a middle child, although I act as if I am the youngest. My younger brother works at a bank in Saratoga and my older sister is a software engineer in San Diego. My peers in the Silicon Valley know me as the “guy who isn’t an engineer”.

Hobbies and Interests

I like to travel, cook, music and photography. I also enjoy Kendo, meaning “Way of the Sword”. It is the modern Japanese martial art of sword fighting based on traditional samurai swordsmanship.

Recent adventures

The last 3 years living in Hawaii was some of the best I have ever had. I appreciated the warmth of the beach, the sound of the ocean and the occasional double rainbows. I will especially miss the ubiquitous fresh sushi and unique blend of Asian cultures. I am planning my next adventure in Machu Pichu.

What I'm Reading and Browsing

I am currently reading Freakonomics and rediscovering my childhood with Calvin and Hobbes comics.