Meet Our Staff
Kristina A. Johnson, PA-C
Graduate Degree
Master of Science - Physician Assistant Studies, Seton Hall University, South Orange, New Jersey
Undergraduate Degree
Bachelor of Science - Athletic Training and Sports Management, Otterbein College, Westerville, Ohio
Professional Organizations
- Member, American Academy of Physician Assistants
- Alpha Epsilon Delta, Medical Honorary
- Member, Iowa Physician Assistant Society
- Member, Physician Assistants for Orthopaedic Surgery
Matthew N. Moritz, PA-C, ATC
Physician's Assistant Degree
University of Osteopathic Medical Center, Des Moines, Iowa
Undergraduate Degree
Bachelor of Science - Athletic Training, South Dakota State University, Brookings, South Dakota
Professional Organizations
- Member, American Academy of Physician Assistants
- Member, National Association of Athletic Trainers
- Member, Iowa Athletic Trainers Society
Dean Kirschenmann, ATC
Dean is a Certified Athletic Trainer. He received his B.A. in Sports Medicine from Dakota Wesleyan University in Mitchell, South Dakota, in 2001.
Dean has 7 years experience as a Certified/Licensed Athletic Trainer. He joined the staff at Orthopaedic and Sports Medicine Specialists, LLC in early 2006.
Dean is a member of the National Athletic Trainers Association, Mid-America Athletic Training Association, Iowa Athletic Training Society, and the National Strength & Conditioning Association.
Alison Olberding, ATC
Alison received her B.A. in Athletic Training from Buena Vista University in Storm Lake, Iowa in 2005.
Alison has been a certified and licensed Athletic Trainer in Iowa since 2006. She joined the staff at Orthopaedic and Sports Medicine Specialists, LLC in early 2008.
Alison is a member of the National Athletic Training Association, the Mid-America Athletic Training Association, and the Iowa Athletic Training Society.
Joetta Promes, RN, BSN, ONC
Joetta is the Clinic Manager for Orthopaedic & Sports Medicine Specialists, LLC. She received her Bachelor of Science Degree in Nursing from the University of Iowa.
Joetta brings 13 years of experience in Orthopaedic Nursing to her position as Office Manager of our clinic. She manages all aspects of our day to day clinic operations. She is Orthopaedic Nurse Certified and a member of the National Association of Orthopaedic Nurses.
OSMS Office Staff

Top Row: Sandy L., Mary D., Rebecca B., Pam K., Amy J., Dee B., Melody P., Michelle G.
Bottom Row: Dana S., Barb M., Angie B., Linda M., Marcia T.
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