A photo of Nicholas Ollberding.

Nicholas J. Ollberding, PhD

  • Associate Professor, UC Department of Pediatrics
  • UC Department of Rehabilitation, Exercise, and Nutrition Sciences



Nicholas Ollberding is an epidemiologist with applied research interests into the role of diet in the etiology and progression of chronic disease and the impact of the developing infant intestinal microbiome on growth and early development. Areas of methodical research interest include the application and development of analytical methods for microbial metagenomic next-generation sequence data, dietary assessment and analysis methodology, predictive modeling, and casual inference. He also collaborates broadly as a quantitative methodologist in the area of health sciences research and leads the Biostatistics Core of the Heart Institute Research Core and the Microbial Metagenomics Analysis Center at Cincinnati Children’s Hospital Medical Center.


Metagenomic analysis of the fecal microbiome in colorectal cancer patients compared to healthy controls as a function of age. Kharofa, J; Apewokin, S; Alenghat, T; Ollberding, NJ. Cancer Medicine. 2022.

Patient-Reported Outcomes Correlate With Microbial Community Composition Independent of Mucosal Inflammation in Pediatric Inflammatory Bowel Disease. Hellmann, J; Ta, A; Ollberding, NJ; Bezold, R; Lake, K; Jackson, K; Dirksing, K; Bonkowski, E; Haslam, DB; Denson, LA. Inflammatory Bowel Diseases. 2022.

A Virtual Reality Curriculum to Enhance Residents' Behavioral Health Anticipatory Guidance Skills: A Pilot Trial. Real, FJ; Whitehead, M; Ollberding, NJ; Rosen, BL; Meisman, A; Crosby, LE; Klein, MD; Herbst, R. Ambulatory Pediatrics. 2022.

Impact of a Virtual Reality Curriculum on Human Papillomavirus Vaccination: A Pilot Trial. Real, FJ; Ollberding, NJ; Meisman, AR; DeBlasio, DJ; Pero, MB; Davis, D; Cruse, B; Klein, MD; Kahn, JA; Rosen, BL. American Journal of Preventive Medicine. 2022.

Comparing donor and recipient total cardiac volume predicts risk of short-term adverse outcomes following heart transplantation. Szugye, NA; Moore, RA; Dani, A; Ollberding, NJ; Villa, C; Lorts, A; Plasencia, JD; Taylor, MD; Morales, DL S; Zafar, F. Journal of Heart Transplantation. 2022.

Clinical outcomes of children with rheumatic heart disease. Zimmerman, M; Kitooleko, S; Okello, E; Ollberding, N; Sinha, P; Mwambu, T; Sable, C; Beaton, A; Longenecker, C; Lwabi, P. Heart. 2022; 108:633-638.

Modelling study of the ability to diagnose acute rheumatic fever at different levels of the Ugandan healthcare system. Ndagire, E; Ollberding, N; Sarnacki, R; Meghna, M; Pulle, J; Atala, J; Agaba, C; Kansiime, R; Bowen, A; Longenecker, CT; et al. BMJ Open. 2022; 12.

Decreased Global Myocardial Work Efficiency Correlates with Coronary Vasculopathy in Pediatric Heart Transplant Patients. Pradhan, S; Mullikin, A; Zang, H; Ollberding, NJ; Stark, S; Hill, GD; Chin, C; Tretter, JT. Pediatric Cardiology. 2022; 43:515-524.

Socioeconomic Impact on Outcomes During the First Year of Life of Patients with Single Ventricle Heart Disease: An Analysis of the National Pediatric Cardiology Quality Improvement Collaborative Registry. de Loizaga, SR; Schneider, K; Beck, AF; Zang, H; Ollberding, N; Tweddell, JS; Anderson, JB. Pediatric Cardiology. 2022; 43:605-615.

Altered erythropoiesis in newborns with congenital heart disease. Tseng, SY; Gao, Z; Kalfa, TA; Ollberding, NJ; Tabbah, S; Keller, R; Cnota, JF. Pediatric Research. 2022; 91:606-611.