Our Team

Steve Korthuis, DPT

Steve Korthuis grew up as the sixth of seven siblings on a farm outside of Lynden. He graduated from Northwestern College in Iowa and received his Doctorate of Physical Therapy degree from Creighton University. He married Robin Bajema in 1992 and together they moved back to Lynden in 1995. Two years later they opened Lynden Family Physical Therapy. Since gthen, Steve has developed several areas of interest including shoulder biomechanics and rehabilitation, total joint replacement rehabilitation, balance and vertigo treatment, low back and sciatic pain relief and orthotic fabrication. Through research based exercise and manual therapy, he promotes the “Keep Moving” approach to rehabilitation.  read more


Nicole Buurma, DPT

Nikki grew up in Celeryville, Ohio and then attended Calvin College in Michigan where she ran cross country and track while earning a BA in exercise Science. She then worked as a graduate assistant collecting research in the motor control lab while completing her Doctorate in Physical Therapy at Ohio University. After working at a sports specialty clinic in Chicago for 1 year she joined the team at LFPT in 2008. She is now part owner and while she enjoys the variety of diagnoses that a small-town clinic brings, she specializes in running related injuries and female and adolescent athletes. Nikki is Graston certified and often uses manual techniques and soft tissue work in addition to prescribing therapeutic exercises and movement retraining.  read more


Jeremy Korthuis, DPT

Jeremy was born and raised in Lynden. After graduating from Lynden High School, he attended Western Washington University where he received a degree in Kinesiology. He then continued his education in North Dakota where he completed his DPT at the University of North Dakota. After working as a traveling physical therapist in Alabama and Louisiana, he returned home to Lynden to settle down with his wife, Salli Jo. In his free time Jeremy enjoys running, computer programming, and going on hikes with his wife.



Mark Vander Hulst, DPT

Mark grew up on a dairy farm in New Mexico and then Idaho. He earned his Bachelor of Health Science degree from Boise State University followed by his Doctorate in Physical Therapy degree from the University of Mary in Bismarck, North Dakota. He is brought to Lynden by his wife April, who grew up in Lynden. His favorite hobbies are playing golf, basketball, volleyball, wake surfing, and snowboarding. He also enjoys actively caring for his 3 young kids with April and traveling to see family. Mark has earned a certification in LSVT BIG for treating individuals with Parkinson’s disease. Mark comes from a line of dairy farmers and enjoys the farm but has a stronger passion for helping people return to the things they enjoy doing.


Jacob Kamps, DPT

Jacob grew up in Burlington, WA and received his Bachelor of Science degree from Grand Canyon University in Phoenix, AZ. He went on to earn his Doctor of Physical Therapy degree from the University of Montana. Before moving back to WA, Jacob spent two years in Arizona working in an outpatient clinic treating a variety of injuries and has grown to especially enjoy treating lower extremity injuries. Jacob loves spending time with his wife and daughter whose adventurous spirit keeps him on his toes. His hobbies consist of anything outdoor-related: fishing, hunting, hiking, camping, running, and many others. Jacob joined Lynden Family Physical Therapy in September of 2023.


Heather Stremler, PTA

Heather attended Seattle University and later transferred to the physical therapist assistant program at Whatcom Community College. She graduated from the PTA program in 2001 and began working in outpatient physical therapy and sports rehabilitation. She has continued her education in Pilates, gait analysis, core strengthening, balance training, myofascial release, and massage. Her patients have ranged in age from 3 months old to over 90 years old. She joined Lynden Family Physical Therapy in 2006 and immediately added to the upbeat atmosphere of the clinic. Heather enjoys spending time with her husband and three daughters. When she is not at work you can find her with her family horseback riding, skiing, hunting, gardening or fishing.


Erin Eekhoff, PTA

Erin was born and raised in Pella, Iowa. She attended Pella Christian High School and graduated from Dordt College in 2009 with her Exercise Science degree. Erin continued her education and graduated from Western Iowa Tech Community College in 2011 with her Physical Therapist Assistant Degree. She worked for one year as a PTA in an outpatient orthopedic clinic before family and friends convinced her and her husband to move to Lynden. Erin began working for Lynden Family Physical Therapy in June of 2012.Erin and her husband, Michael, enjoy spending time with family, playing sports, going for bike rides, hiking, and attending church.


Tess Kortus, PTA

Tess Kortus is a Lynden native, growing up in Lynden and exploring, with her family, beautiful Whatcom County. Following her graduation from Lynden Christian High School she enrolled in the Physical Therapy Assistant (PTA) program at Whatcom Community College. She joined Lynden Family Physical Therapy soon after graduation and specifically enjoys working with orthopedic patients in order to improve their function and return them to active lives. When not in the clinic she enjoys time spent with her family and friends. Specifically, she enjoys time on the beach, water activities and boating, as well as remaining active and enjoying a wide-range of sport activities.


Treva Postma, PTA

Treva was born and raised in Lynden. She graduated from Lynden Christian High School before attending Whatcom Community College, where she graduated with her Physical Therapist Assistant degree in 2003. Immediately after, Treva joined Lynden Family Physical Therapy as a PTA and worked until she and her husband, Kelby, welcomed their first child. Over the years she has continued her work as a PTA by filling as needed, but continues to stay busy at home as well with 4 children. In her free time, Treva enjoys working outside, camping, volunteering at school and church, and spending time with family.


Cassidy Rondael, PTA

Cassidy was born and raised in Lynden where she attended Lynden High School and graduated from Whatcom Community College with her Physical Therapy Assistant degree. She joined the Lynden Family PT team a few months later as a PTA. Cassidy’s favorite aspect of the job involves interacting with all of her patients and helping them succeed. She also has a special interest in working on low back and core stabilizations activities, as well as shoulder strengthening. Cassidy enjoys walking her dog, Kona, on her days off or curling up on the couch to read a good book. She also loves to enjoy going up in the mountains whether it’s hiking during the summer, or snow shoeing during the winter and spending time with her family.


April Vander Hulst, PTA

April grew up in Lynden playing soccer at Lynden Christian. After a knee injury in high school, she rehabbed with Lynden Family Physical Therapy. This revealed a path to fulfill her passion of helping others. She is excited to be back in Lynden helping others reach their goals and return to what they enjoy at Lynden Family PT.

April earned her Physical Therapist Assistant degree from Pima Medical Institute in Mesa, Arizona. Then she worked at an orthopedic and pelvic health physical therapy clinic in North Dakota as her husband, Mark, earned his Doctor of Physical Therapy degree. Outside of work April stays busy caring for her young family of three kids with Mark.


Kendra Ohligschlager, PTA

Kendra was born and raised in Lynden, WA. She attended Skagit Valley College after high school to play softball and from there transferred to Western Washington University to study kinesiology. In 2021, she attended the PTA program at Whatcom Community College. Shortly after graduation she got married to her now husband, Dalton and then joined Lynden Family Physical Therapy in June of 2023 to start her PTA career.

All of her life she has loved being involved in sports, being active, camping and enjoying the outdoors with her friends and family. She has always loved helping people and trying to bring light to peoples lives when they are going through challenging ties, which is what drew her to become a PTA.

Emma Likkel, PTA

Emma grew up in Lynden where she attended Lynden Christian. After graduating she attended YWAM Kona as a mission builder serving for 3 months at the base. After this she attended Whatcom Community College, where she graduated with her Physical Therapist Assistant degree in December 2023. Shortly after, she joined the Lynden Family PT team.

Emma has always loved living an active lifestyle whether it was playing sports, lifting weights, or going on family walks. She loves being able to be an encourager and a light in her patients’ lives and helping them get back to doing what they love. Outside of work you can find her spending time with her husband Sam, family, and friends. In her free time Emma enjoys walking, beach days, and reading.