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Clinical Services

Coumadin Clinic

Our Coumadin Clinic is designed to educate, monitor and manage patients on short-term and long-term anticoagulation therapy.

Patients are referred by their primary care providers.

Walla Walla Clinic Coumadin Clinic

55 W. Tietan St.

Walla Walla, WA 99362

Phone: 509-525-3720

Toll Free: 1-800-228-6053

Fax: 509-522-1581

View a Map | Get Driving Directions


  • Mondays, 8 a.m. to 5 p.m.
  • Tuesdays, 1 to 5 p.m.
  • Fridays, 8 a.m. to noon
  • 2017 holiday hours

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