• Josh Walkenhorst
    DPT, Clinic Director

    Dr Josh Walkenhorst has worked as a physical therapist since 2019 and comes from the Midwest. Josh graduated from the University of Nebraska Medical Center and has a wide variety of experience including orthopedics, sports, neurological injuries, geriatrics and pediatrics. 

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  • Shonna Moak

    Dr. Shonna Moak, native to PNW, joined the Peak PT team in Jan 2020. She offers client-focused treatment centered on listening, understanding and using clinical expertise to contribute meaningfully to each client's goals and wellness journey, empowering you with tools to take control of your recovery.

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  • Dustin Allen

    Dustin Allen joined our team in June of 2020 having been in the PT field for six years. He graduated from Lake Washington Technical Institute PTA program in 2020 and moved to Tri-Cities in March. He has experience in Orthopedics, Sports, and Geriatrics with emphasis on Sports Rehab and Return to Sport. 

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  • Grace Hull

    Grace Hull is a PNW native who joined the Peak Performance team in September 2020. Graduated from Central Washington University with a BA in Exercise Science and the Whatcom Community College PTA program.

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  • Marquel Dodson
    Office Manager

    Marquel Dodson is the current office manager and takes care of just about anything that comes up- insurance, marketing, payroll, staffing and scheduling! Marquel's favorite activities include boating on the Columbia River during the summer, enjoying the vineyards on Red Mountain and frequenting the Hawaiian islands!

  • Erin Tanner
    Office Administrator

    Erin Tanner joined our team December 2019. She has worked in healthcare since 2012 and has a true passion for helping others. She has 3 years of experience in care coordination and marketing. Erin enjoys camping and boating with her kids, as well as, attending concerts. 

  • McKenzie Dodson
    Office Administrator

    McKenzie Dodson is one of our office administrators. McKenzie helps with scheduling and day to day office needs. She is an avid artist and you can even find some of her artwork throughout our office!

Contact Us Today

We look forward to hearing from you


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Office Hours

Our Regular Schedule

Our Office


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


9:00 am-12:00 pm