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 then, 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. He serves as a Clinical Instructor for several universities throughout the United States and has been an active member of the APTA, Orthopedic Section, and Private Practice Section for over 20 years. Steve and Robin have one son-in-law and 5 children of their own. They enjoy spending time with family and serving at their church.

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.

Nikki continues to run competitively and has moved from the track and road to be more trail
focused. She has completed more than 13 marathons and multiple ultras. She serves on the Board of the
Bellingham Distance Project, a local sub -elite club team where she mentors and provides PT for other
competitive runners. Nikki has helped to coach cross country and track at Lynden Christian since around
2012 and she also coaches adult runners online. She is a certified running coach through UESCA and is
passionate about continuing to learn and stay up to date in the best practices and latest research in all
aspects of running, coaching, and PT. When she isn’t running, she enjoys yoga, biking, hiking, rock
climbing, golf, and as much travel and adventure as possible.

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.

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.

Micah Bartlett, PTA

Micah worked as a plastics engineer before finding his passion in physical therapy. As a triathlete and rugby player, he experienced disabling knee and back injuries. Through physical therapy he learned to correct simple imbalances in his body, as well as prevent future injuries.

He graduated from the PTA program at Whatcom Community College in 2015 and has always enjoyed working in outpatient orthopedics. He loves to help patients learn how their body works, guide them through tough injuries, or get out of chronic pain. He still plays rugby, competes in triathlons and loves to mountain bike, hike, canoe, or just take his dogs to the park. He lives in Bellingham with his wife and young daughter, and he feels blessed to live in such a beautiful part of the world.

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.