about cardinal physical therapy

We strive to provide excellent clinical care by utilizing compassionate treatment paired with advanced training to provide exceptional and effective service to the community.

Located in South Sioux City, Nebraska

Healthy field

Dr. Isaac Tubbesing, DPT

Owner

Isaac chose physical therapy as a meaningful career to serve others with compassion and to help improve their overall well-being and quality of life. In 2023, he founded Cardinal Physical Therapy with the goal of raising care standards and providing exceptional treatment throughout the Siouxland region and Nebraska. He carefully creates personalized treatment plans tailored to each patient’s unique needs and continuously hones his skills by obtaining advanced certifications to stay at the forefront of his profession.

Isaac earned a Biology degree from Briar Cliff University in 2011, followed by a doctorate in Physical Therapy from Des Moines University, which is renowned for its hands-on, practical PT training approach.

Outside of his professional work, he enjoys a range of hobbies including regular exercise, experimenting with different recipes on the grill and smoker, cheering on college sports (Go Big Red!), learning to play golf, and spending quality time with his wife, three daughters, and their pets.

  • DR. CHAD WIEBELHAUS, DPT

    PHYSICAL THERAPIST

    Chad is originally from Strasburg, Colorado and earned his Doctorate in Physical Therapy from the University of South Dakota. A history buff with a love for travel, he dreams of visiting Northern Europe—especially Ireland and Germany. On weekends, you’ll find him relaxing with his wife or enjoying a round of golf.

    Chad has two brothers and cherishes family road trips to Nebraska to visit his grandparents. His favorite holiday is Christmas, and his go-to coffee order is a caramel latte or macchiato. While he doesn’t have a pet yet, he hopes to adopt a cat (or dog) someday!

  • Bilingual Spanish speaking physical therapist assistant in South Sioux City

    ITHZELL ACEVES HURTADO

    PHYSICAL THERAPY ASSISTANT (PTA)

    Izthell is from South Sioux City, Nebraska, and a proud graduate of the WITCC PTA program. Fluent in both Spanish and English, she provides bilingual physical therapy services to the Siouxland community, helping bridge language gaps and ensuring effective care for diverse patients.

    Outside of work, Izthell enjoys spending quality time with her family and has two beloved dogs named Milo and Goofy. She looks forward to the opportunity to visit Spain someday and takes a yearly trip to Mexico.

  • Physical Therapy Office Manager in Siouxland

    MALLORY ZARN

    OFFICE MANAGER

    Mallory, a Nebraska native, oversees the day-to-day clinic operations at Cardinal Physical Therapy in South Sioux City, Nebraska. She plays a key role in coordinating patient care and managing the Cardinal PT social media presence. With a background in the trucking and construction industries, Mallory brings diverse experience to her role.

    In her free time, Mallory is a devoted mother to three cats, an avid gamer, and a LEGO builder. She also enjoys playing guitar. You can often find her sailing with her husband, golfing, or listening to her favorite bands.

  • MORGAN TUBBESING

    CO-OWNER

    Morgan, originally from Jackson, NE, comes with a strong background in consulting and special education. She currently oversees Cardinal Physical Therapy’s website, marketing efforts, and community outreach initiatives. Holding a Master’s degree along with a graduate certificate in instructional design, Morgan also brings valuable experience as a graduate adjunct instructor.

    Outside of her work life. Morgan enjoys reading, cooking, practicing yoga and gardening. She loves spending quality time with her family and friends. She and her husband share three daughters, their lively yellow lab named Sunny, and their two affectionate tabby cats, Mr. Flufferton and Pattern.