Welcome to Highline Medical Services Organization!

HMSO Highline Medical Service Organization Seattle HMG Williams IM

Highline Medical Services Organization (HMSO) represents a network of primary care providers and specialists throughout Southwest King County and Highline Medical Center. We partner with insurance companies to offer comprehensive managed care to our community.

What Can We Do For You?

•  Provide you with information on managed care
•  Help you identify which plans are available at Highline
•  Help you confirm if your doctor is contracted with our plans
•  Help you understand the difference between Original Medicare,  Medicare Advantage  and a supplement or Medigap plan
•  Provide information on where you can receive a free consultation to answer questions and guide you in your decision-making

What’s the Best Way to Get Started?

If you don’t find the answer you’re looking for here on our website, give us a call! We’re happy to help—either over the phone, or in person at our office