

Steve Cassabaum, MSPT, DPT
Steve is a Physical Therapist and the President of 21st Century Rehab. Steve is the Director of Therapy Services at Story County Medical Center. He is a graduate of Washington University, St. Louis, MO with a Bachelor of Science, a Master's degree, and Doctorate in physical therapy. Steve’s undergraduate degree is a Bachelor of Science in Liberal Arts from Wartburg College, Waverly, Iowa. Steve is certified in Isernhagen Work Systems’ Work Injury Management Programs and is a member of American Physical Therapy Association, Private Practice Section of APTA, Nevada Rotary Club and the Nevada Chamber of Commerce. He is a part of the Nevada GRIP Mentoring Program, and provides sports therapy to Nevada High School and Colo-NESCO High School athletics.
Jason Horras, MPT
Jason is a Physical Therapist and Vice President of 21st Century Rehab. He is also the Director of Occupational Health Services. He is a graduate of University of Iowa with a Master’s in Physical Therapy and a Bachelor of Science in Zoology from Iowa State University, Ames, Iowa. Jason is certified in Isernhagen Work Systems’ Work Injury Management Programs, is a certified occupational hearing conservationist and is also certified in DOT drug collection and testing. He is a member of American Physical Therapy Association. He also provides sports therapy to Nevada High School and Colo-NESCO High School athletics.
Monica Athertom, MPT
Monica is a Physical Therapist and provides therapy services at Perry. She is a graduate of the Mayo School of Health Sciences with a masters in Physical Therapy and a Bachelor of Science in Exercise and Movement Science from University of Oregon. She is a member of the American Physical Therapy Association.
Kevin Bultena, MSPT
Kevin is a Physical Therapist and the Clinic Director of Therapy Services at Hamilton Hospital. He is a graduate of Washington University, St. Louis, MO with a Master’s in Physical Therapy and a Bachelor of Science in Exercise Science from Iowa State University, Ames, Iowa. Kevin is a member of the Webster City Rotary Club and the Asbury Methodist Church.
Lindsay Bierbaum, DPT
Lindsay is a physical therapist at Story County Medical Center in Nevada. Lindsay is a graduate of the University of Iowa with a Doctorate of Physical Therapy degree. She received her Bachelor of Science in Exercise Sports Science from Iowa State University. Lindsay is a member of the American Physical Therapy Association.
Jill Buesch, DPT, CSCS
Jill is a Physical Therapist and Clinic Director of Madird. Jill is a graduate of the University of Iowa with a Doctorate of Physical Therapy. She received her Bachelor of Science in Exercise Science from Iowa State University. Jill is a member of the IPTA, APTA and the Women's Health Section of the APTA. She specializes in Women's Health. She is very active with the Prairie Ridge Church in Ankeny.
Matt DeWall, MPT, CSCS
Matt is a Physical Therapist and Clinic Director of Indianola Physical Therapy. He is a graduate of University of Iowa with a Master’s in Physical Therapy and a Bachelor of Arts in Biology from Simpson College, Indianola, Iowa. Matt is certified in DOT drug collection and testing and is a member of American Physical Therapy Association (Orthopedic section), Iowa Physical Therapy Association, National Strength and Conditioning Association, and the Indianola Rotary Club. He also provides sports therapy to Indianola High School and SE Warren High School athletics.
Teresa Duit, PTA
Teresa is a Physical Therapist Assistant at Altoona, Carlisle and Indianola. She is a graduate of Mercy College of Health Sciences with an Associate in Applied Science in the Physical Therapist Assistant program. She is a volunteer for the Bondurant Booster Club and athletic events for Bondurant-Farrar Schools.
Dana Hendrick, ATC, LAT
Dana is a certified and licensed athletic trainer. She is a graduate of Simpson College with a Bachelor of Arts in Athletic Training. She is a member of the National Athletic Trainer’s Association. Dana is the assistant girl’s basketball coach at Colo–NESCO High School. Dana is an administrative assistant at 21st Century’s corporate office and provides sports medicine services to Colo-NESCO athletics.
Emily Hoppe, PTA
Emily is a Physical Therapist Assistant at Story County Medical Center. She is a graduate of Iowa Central Community College in Fort Dodge, IA with an Associate of Arts degree and has an Associate of Applied Science Degree in the Physical Therapy Assistant Program from Kirkwood Community College in Cedar Rapids, IA. Emily is a member of the American Physical Therapy Association and St. Gabriel’s Catholic Church in Zearing.
Kelsay Johnson, PTA
Kelsay is a Physical Therapist Assistant at Carlisle. She is a graduate of Mercy College of Health Sciences with an Associate in Applied Science in the Physical Therapist Assistant program. She is also a coach at Team Gymnastics Accademy in Des Moines.
Matt Johnson, DPT
Matt is a physical therapist at Indianola and Altoona. Matt is a graduate of the University of Iowa with a Doctor of Physical Therapy and has an Bachelor of Science with distinction in Psychology from Iowa State University. He is the 2008 winner of the Walter R. Ingram Award for Superior Achievement in Medical Neuroscience. Matt is a member of the APTA and IPTA.
Chad Kuehl, MPT
Chad is a Physical Therapist at Dallas County Hospital. Chad is a graduate of Des Moines University with a Master’s in Physical Therapy and Bachelor of Science from Northwest Missouri State University, Maryville, MO. He is a member of the American Physical Therapy Association and Iowa Physical Therapy Association.
Michelle Linz, MAOT, OTR/L
Michelle is an Occupational Therapist at Dallas County Hospital, Story County Medical Center and Hamilton Hospital. Michelle also provides occupational therapy services to a number of the 21st Century Rehab outpatient clinics. Michelle is a graduate of the College of St. Catherine, St. Paul, MN, with a Master’s degree in Occupational Therapy. She received her Bachelor of Arts of Phsycology and Exercise Schience from Concordia College in Moorhead, Minnesota. Michelle is involved in St. Thomas Aquanis Church in Ames.
Clint Lutterman, DPT, OCS
Clint is a Physical Therapist and the Clinic Director of Therapy Services at Dallas County Hospital. He is a graduate of Creighton University of Omaha, NE with a Doctorate in Physical Therapy and a Bachelor of Arts in Biology from Northwestern College in Orange City, IA. He is an orthopedic clinical specialist and a member of American Physical Therapy Association (Sports Physical Therapy section) and the Perry Rotary Club. Clint provides sports therapy to Perry High School athletics.
Amanda Marine, MA, SLP
Amanda, SLP, is a speech-language pathologist. She provides speech therapy services at Story County Medical Center in Nevada, Dallas County Hospital in Perry and Hamilton Hospital in Webster City. Amanda is a graduate of the University of Northern Iowa with a Masters of Speech-Language Pathology degree. She received her Bachelor’s in Communicative Disorders from UNI as well.
Kristin Mariner, DPT
Krisitn provides physical therapy services at Franklin General Hospital in Hampton. Kristin is a graduate of Washington University in St. Louis with a Doctorate of Physical Therapy degree. She received her Bachelors of Science Degree from Waldorf College with a Major in Wellness and a Minor in Psychology. She is a member of the American Physical Therapy Association.
Tara Marler, COTA
Tara is a certified occupational therapy assistant at Story County Medical Center. Tara is a graduate of Kirkwood Community College in Cedar Rapids, IA with an Associates of Applied Science Degree in the Occupational Therapy Assistant Program. She is also a member of the American Occupational Therapy Association, Brain Injury Association of Iowa, National Multiple Sclerosis Society and Brain Injury Association of America. Tara also provides occupational therapy services to Hamilton Hospital in Webster City and Altoona on an as needed basis.
Steve Olsen, MSPT, CSCS
Steve is a Physical Therapist and Clinic Director of Altoona. Steve is a graduate of Des Moines University with a Master’s in Physical Therapy and Bachelor of Arts from Central College, Pella, Iowa in Physical Education. He is certified in Isernhagen Work Systems’ Work Injury Management Programs. Steve is also a certified occupational hearing conservationist and is certified in DOT drug collection and testing. He is a member of American Physical Therapy Association, Iowa Physical Therapy Association, National Strength and Conditioning Association, Altoona Rotary Club, Altoona Kiwanis and the Altoona Chamber of Commerce. Steve also provides sports therapy to Bondurant-Farrar High School athletics.
Paul Ouverson, DPT, CEAS
Paul is a Physical Therapist and the Clinic Director of Therapy Services at Carlisle. He is a graduate of Creighton University of Omaha, NE with a Doctorate in Physical Therapy and a Bachelor of Science in Exercise and Sports Science from Iowa State University. He is a certified ergonomic assessment specialist. Paul provides sports therapy to Carlisle High School athletics.
Nicole Pontier, ATC, LAT
Nicole is a certified and licensed athletic trainer. She is a graduate of Coe College with a Bachelor of Arts in Athletic Training. She is a member of the National Athletic Trainer’s Association. She is the Patient Representative for the Altoona location and provides athletic training to Carlisle Schools.
Tracy Porter, MSPT
Tracy is a Physical Therapist at Madrid. She also provides therapy services at Story County Medical Center, Rolling Green Village and Kryslis in Nevada, as well as home health services. Tracy is a graduate of Des Moines University with a Master’s in Physical Therapy and a Bachelor of Arts in Biology from University of Northern Iowa, Cedar Falls, Iowa. She is a group fitness instructor for Ames Racquet & Fitness and is a member of Memorial Lutheran Church in Ames where she participates in choir and is a Sunday School teacher. Tracy is involved with One Heart Equestrian Therapy and is a member of Beta Sigma Phi.
Jamie Rabe, DPT, ATC
Jamie is a physical therapist and certified athletic trainer. She provides physical therapy services at Story County Medical Center in Nevada as well as the Madrid location. Jamie is a graduate of the University of Iowa with a Doctorate of Physical Therapy degree. She received her Bachelor of Science Degree from Iowa State University. Jamie is a member of the Collegiate United Methodist Church and also an Iowa Special Olympics Volunteer.
Kate Reiter, MAOT, OTR/L
Kate is an Occupational Therapist at Dallas County Hospital in Perry. Kate also provides occupational therapy services to a number of the 21st Century Rehab clinics including the Altoona, Grimes, and Indianola clinics and Story County Medical Center in Nevada. Kate is a graduate of the College of St. Catherine, St. Paul, MN, with a Master’s degree in Occupational Therapy and a Bachelor of Science degree from Iowa State University in Exercise and Sport Science with a minor in Health Studies.
Nancy Hunter Schreier, OTR/L
Nancy is an Occupational Therapist at Story County Medical Center. She is a graduate of Iowa State University with a Bachelor of Science in Psychology and Bachelor of Science in Occupational Therapy from College of St. Catherine, St. Paul, MN. Nancy is a member of the American Occupational Therapy Association and St. Patrick’s Catholic Church.
Keri Sersland, ATC, LAT, PTA
Keri is a certified and licensed Athletic Trainer and is a graduate of University of Northern Iowa with a Bachelor of Science in Athletic Training. In May 2011, Keri graduated from the physical therapy assistant program at Mercy Health College. Keri is a member of National Athletic Training Association and the American Physical Therapy Association. Keri provides athletic coverage to Perry Schools.
Lisa Tourtellott, PTA
Lisa is a Physical Therapist Assistant. She is a graduate of Mercy College of Health Sciences with an Associate in Applied Science in the Physical Therapist Assistant program. She is a member of the American Physical Therapy Association.
Marc Vander Velden, MPT, CSCS
Marc is a Physical Therapist and Clinic Director of Grimes. Marc is a graduate of University of Iowa with a Master’s in Physical Therapy and a Bachelor of Arts in Biology from Central Iowa, Pella, Iowa. He is certified in Isernhagen Work Systems’ Work Injury Management Programs and DOT drug collection and testing. He is a member of American Physical Therapy Association, Iowa Physical Therapy Association, the Grimes Chamber of Commerce, National Strength and Conditioning Association, and the Grimes Jaycees. Marc also provides sports therapy to Woodward-Granger High School, Dallas Center-Grimes High School and Des Moines Christian athletics.
Tasha Vorm, ATC, LAT, PTA
Tasha is a certified and licensed Athletic Trainer at Story County Medical Center. Tasha is a graduate of Iowa State University with a Bachelor of Science in Exercise and Sport Science with a minor in Athletic Training. In May 2010, Tasha was a member of the first graduating class in the physical therapy assistant program at Mercy Health College. Tasha is a member of National Athletic Training Association and the Iowa Athletic Trainers' Society, a second grade religion teacher at St. Patrick’s Catholic Church and is the secretary for St. Patrick’s Life and Growth Committee. Tasha also provides sports medicine services for Nevada High School Athletics.
Teresa White, PTA
Teresa is a Physical Therapist Assistant at Dallas County Hospital. She is a graduate of Indian Hills Community College, Ottumwa, IA with an Associate in Applied Science in the Physical Therapist Assistant program. She serves on the Dallas County Hospital Public Relations Committee (P.R.I.D.E.) and C.A.R.E. Subcommittee, is part of Dallas County Hospital Volunteer Auxiliary, Ladies Nite Out (provides women's health education seminars), and Dallas County Hospital Standards Committee.
Sara Zorn, OTR/L
Sara is a licensed occupational therapist at Hamilton Hospital dba Van Diest Medical Center and Franklin General Hospital. She is a graduate of Concordia University with her Masters of Occupational Therapy and her Bachelors in Rehab Science. She is a graduate of Western Iowa Tech Community College, Sioux City, Iowa with a degree in Occupational Therapy Assistant. Outside of work, Sarah is a volunteer EMT with the Williams Ambulance Service and also enjoys spending time with her family. She volunteers for the Board of Education and as a T-ball coach. She is an instructor in CPR and a member of the American Occupational Therapy Association as well as a member of the local Iowa Occupational Therapy Association.