Oak Harbor Clinic

Karl and his wife Heidi both grew up in Stanwood, met as high school sweethearts and recently celebrated 35 years of marriage. They have 3 children, Henry, Gus, and Sigrid. Henry is married to his beautiful wife Lauren, they are both living and working in Santa Barbara, California with their golden retriever Navy. Gus graduated from the Foster School of Business at the University of Washington, and he continues working in the administrative offices of NorthSound Physical Therapy in Stanwood. He remains dedicated to his workout regimen and game night with friends. Sigrid graduated from Midwestern University’s Physical Therapy Program in June 2025 and started working at the Stanwood clinic. She also recently got engaged to her longtime boyfriend Trent. In 2011, Karl was included as part of the 1984 Oregon Track Team induction ceremony into the University of Oregon Athletics Hall of Fame. He was also inducted into the Stanwood High School Athletic Hall of Fame in 2017. He completed his physical therapy education at Northwestern University in Chicago in 1989. He started NorthSound Physical Therapy in 1992 with Marty Stanton and currently performs patient care in the Oak Harbor clinic. Karl enjoys all family-related activities, which typically involve sports of some kind, and he also finds time to get involved in various other volunteer activities.

“I thoroughly enjoy my job as a physical therapist, and I have been fortunate to be involved with such a great group of people over the years. I enjoy cultivating long term patient and physician relationships, and I continue to appreciate and respect the important role that physical therapy plays in the recovery from injury or illness.”

Heidi is originally from Boise, Idaho, where she worked for 11 years in outpatient orthopedic physical therapy. She moved to Washington in November, 2012, when she joined NorthSound Physical Therapy.

Heidi graduated with her Bachelor’s degree from Colorado State University in 1997, and received her Master’s in Physical Therapy from Idaho State University in 2001. She received her certification in Mechanical Diagnosis and Therapy through the McKenzie Institute International in 2009. Heidi’s interests include snowboarding, mountain biking, hiking and spending time with her husband, son, and dog.