Paustian IBD Center Faculty & Staff
The IBD Center is staffed by four gastroenterologists and three colorectal surgeons who have clinic hours in the center alongside each other. Our team also includes two IBD nurse case managers, one registered dietician, one specialty pharmacist, one gastropsychologist, two medical assistants and two medical receptionists. Sponsored- and investigator-initiated studies are supported by a divisional research group consisting of a regulatory specialist and three full-time research nurses.
Medicine Faculty
Peter Mannon, MD, MPH
Paustian Center Director
Kathryn Hutchins, MD
Paustian Center Physician
Anita Sivaraman, MD
Paustian Center Physician
Surgery Faculty
Sean Langenfeld, MD, FACS, FASCRS
Paustian Center Surgical Director
Jennifer Leinicke, MD, MPHS, FACS, FASCRS
Paustian Center Surgeon
Matthew Fuglestad, MD
Paustian Center Surgeon
Rishi Batra, MD, MBA
Paustian Center Surgeon
Research Faculty
Jacques Izard, PhD
Paustian Center Research Faculty
Rana Al-Sadi, PhD
Paustian Center Research Faculty
Jiongru Wu, PhD
Paustian Center Research Faculty
Nebraska Medicine Advanced Practice Providers
Regan Clymer, PA-C
Paustian Center APP
Courtney Batra, APRN-NP
Paustian Center APP
Additional Specialists
Marta Jonson, MMN, RDN, LMNT
Clinical Nutrition/Nutrition Special Service Therapist
Aisha Yapp, PhD
Clinical Psychologist
Carrie Nixon, PharmD, BS
Retail/Specialty Pharmacist