
Jacob Seng, DC
“Dr. Jacob” as his patients call him is the founder of NorthStar Chiropractic and NorthStar Fitness. Jacob was born and raised in Manistee, MI and earned his Bachelor of Science at Michigan State University, where he served as a captain of the Michigan State Men’s Rugby Team. In 2009 Jacob received his Doctorate in Chiropractic from Life Chiropractic College in Marietta, GA. He has practiced exclusively in Ludington since 2010. He and his wife Sara have one child, Tommy. It is Jacob’s mission to educate and adjust as many families as possible towards optimal health through natural chiropractic care. Dr. Jacob focuses much of his time on community education. He is able to bring his presentations to many local businesses and organizations. His topics include health related subjects such as “raising healthy children” and “workplace safety”. This work has made him a sought after public speaker and educator within his community.

Born and raised in North Muskegon, Michigan, Dr. Andrew graduated from Life University in 2016 where he earned his Doctorate of Chiropractic. As the son of a chiropractor, he grew up knowing the power of an adjustment and the vitalistic principles behind it. In his free time he enjoys the outdoors with his wife and 3 children.
Wellness is a connection of paths: knowledge and action. I was fortunate to find the wellness path from a very young age. My parents understood how vital Chiropractic care is to healthy growth and development and for this reason, I have experienced the benefits of Chiropractic care my entire life. As a mom, I’m now raising my son Tommy to know what true wellness is, and to understand the benefits of regular chiropractic care for himself. As a result, he is growing up without ‘childhood illnesses’ and rarely ever gets sick. I know that this is because Chiropractic care allows the body to function optimally, as it was intended. There are so many things I love about our practice, but my favorite is how much we value family. We strive to provide affordable, convenient care to people of all ages, so your entire family can experience true wellness.
Cassy Caithamer is our enthusiastic Patient Coordinator, where she serves as a vital point of contact for patients and ensures a seamless experience from appointment scheduling to check-out. With a keen eye for detail and a heart for helping others, Cassy is committed to fostering a supportive environment for all who walk through the door. Outside of her professional role, Cassy shares her life with her boyfriend, Jon, and their playful Boxer puppy, Winston. Together, they enjoy outdoor adventures and spending quality time in each other’s company. Cassy is passionate about health and wellness, dedicating her free time to working out and exploring self-care practices. She loves experimenting with healthy recipes, always on the lookout for new ways to nourish the body while enjoying delicious meals. At NorthStar Chiropractic, Cassy’s positive energy and dedication shine through as she helps patients navigate their journey to better health and well-being.
Renae Smith, Clinical Assistant
Renae Smith is our dedicated Clinical Assistant, where she plays a vital role in supporting patient care helping the clinic run smoothly. With a passion for holistic health and wellness, Renae is committed to creating a welcoming and positive environment for all patients. Outside of her professional life, Renae enjoys spending quality time with her husband, Alex. Together, they share their home with two lovable dogs, Wesson and Colt. An avid lover of the outdoors, Renae finds joy in exploring nature, whether it’s hiking, gardening, or simply enjoying the beauty of Michigan landscapes. This blend of family, pets, and nature reflects her nurturing spirit and dedication to a balanced lifestyle. At NorthStar Chiropractic, Renae is not only a skilled clinical assistant but also a friendly face who is always ready to support the health and well-being of her community.