Alpha Physical Therapy Therapists

Contact information

  • Alpha Physical Therapy
  • Canterbury Office Square
  • 17330 135th Ave. NE Suite 1C
  • Woodinville, WA 98072
  • Phone: (425) 481-0236
  • Fax: (425) 481-8266
  • Hours:
  • 10-6 Tuesday-Friday


Margaret VanderWaerden PT, GCFP


Margaret founded Alpha Physical Therapy in 1988 with the goal of providing one-on-one physical therapy in one-hour treatment times.


She has 30 years experience and has completed hundreds of hours of continuing education courses, with specialties in Structural Integration using myofascial release techniques and Feldenkrais movement re-education. These techniques are holistic in approach and address underlying issues that have created problems and prevent future problems. She has had great success in working with clients who have not had good outcomes with more traditional approaches.


  • BS in Physical Therapy Wayne State University 1980; graduated with High Distinction
  • Certified Feldenkrais Practioner 1997
  • Certified Structural Integration practioner 2010
  • Certified Advanced Structrual Integration Practioner 2012


  • American Physical Therapy Association 1981 to present
  • Guild for Structural Integration 2009 to present


Tracy Hendershott, PT


Tracy applies different approaches in treating muscles, bones, joints, nerves and circulatory structures. The techniques are gentle and include myofascial release, positional release, muscle energy, lymphatic drainage, cranial/visceral mobilization and neurovascular mobilization. She works holistically, adapting to each person’s individual needs, and she incorporates these manual therapies as well as exercise into the treatment as needed.


  • BS in Physical Therapy from the University of Washington 1991
  • BS in General Science from the University of Oregon 1988


Wendy Walker, PT


Wendy has 30 years experience as a physical therapist with extensive skills in orthopedic manual therapy techniques, therapeutic exercise and structural integration.


  • BS in Physical Therapy Wayne State University 1982
  • Certified Advanced Stuctural Integration Practioner 1993


  • Guild for Structural Integration 1993 to present