Nicholas K. Schiltz, PhD

Assistant Professor
Frances Payne Bolton School of Nursing
Assistant Professor
Department of Population and Quantitative Health Sciences
School of Medicine
Assistant Professor
Center for Community Health Integration
School of Medicine

Teaching Information

Teaching Interests

  • Data Science in Healthcare (NURS 533)
  • Applied Statistics (NURS 532)

Research Information

Research Interests

  • Multimorbidity and polypharmacy

  • Primary care, prevention, and community health

  • Geriatric and Age-friendly care

  • Chronic disease epidemiology

  • Predictive modeling and precision health

  • Applied machine learning and data mining

  • Observational studies using real world data (e.g. claims data, electronic health records, and registries)

  • National health surveys

  • Healthcare cost, utilization, and outcomes research

Awards and Honors

KL2 Scholar (2015-2019) of the Clinical and Translational Science Collaborative
Case Western Reserve University
MNRS New Investigator Award: Decision-Making RIIG


Complete list of publications

  • Schiltz NK, Chagin K, Sehgal AR. Clustering of Social Determinants of Health Among Patients. J Prim Care Community Health. 2022 Jan-Dec;13:21501319221113543.

  • Bensken WP, Schiltz NK, Warner DF, Kim DH, Wei MY, Quiñones AR, Ho VP, Kelley AS, Owusu C, Kent EE, Koroukian SM. Comparing the association between multiple chronic conditions, multimorbidity, frailty, and survival among older cancer patients. J Geriatr Oncol. 2022 Jul 1:S1879-4068(22)00148-5.

  • Schiltz NK, Foradori MA, Reimer AP, Plow M, Dolansky MA. Availability of information on functional limitations in structured electronic health records data. J Am Geriatr Soc. 2022 Jul;70(7):2161-2163.

  • Koroukian SM, Zhou G, Navale SM, Schiltz NK, Kim U, Rose J, Cooper GS, Moore SE, Mintz LJ, Avery AK, Mukherjee S, Markt SC. Excess cancer prevalence in men with HIV: A nationwide analysis of Medicaid data. Cancer. 2022 May 15;128(10):1987-1995.

  • Schiltz NK, Dolansky MA, Warner DF, Stange KC, Gravenstein S, Koroukian SM. Impact of Instrumental Activities of Daily Living Limitations on Hospital Readmission: an Observational Study Using Machine Learning. J Gen Intern Med. 2020 Oct;35(10):2865-2872.

  • Reimer AP, Schiltz NK, Ho VP, Madigan EA, Koroukian SM. Applying Supervised Machine Learning to Identify Which Patient Characteristics Identify the Highest Rates of Mortality Post-Interhospital Transfer. Biomed Inform Insights. 2019 Mar 18;11:1178222619835548.

  • Ho VP, Schiltz NK, Reimer AP, Madigan EA, Koroukian SM. High-Risk Comorbidity Combinations in Older Patients Undergoing Emergency General Surgery. J Am Geriatr Soc. 2019 Mar;67(3):503-510.

  • Schiltz NK, Warner DF, Sun J, Smyth KA, Gravenstein S, Stange KC, Koroukian SM. The Influence of Multimorbidity on Leading Causes of Death in Older Adults With Cognitive Impairment. J Aging Health. 2019 Jul;31(6):1025-1042. doi: 10.1177/0898264317751946.

  • Pahwa S, Schiltz NK, Ponsky LE, Lu Z, Griswold MA, Gulani V. Cost-effectiveness of MR Imaging-guided Strategies for Detection of Prostate Cancer in Biopsy-Naive Men. Radiology. 2017 Oct;285(1):157-166.

  • Koroukian SM, Schiltz NK, Warner DF, Stange KC, Smyth KA. “Increasing Burden of Multimorbidity Across Gradients of Cognitive Impairment.” Am J Alzheimers Dis Other Demen. 2017 Nov;32(7):408-417.

  • Warner DF, Schiltz N, Stange KC, Given CW, Owusu C, Berger NA, Koroukian SM. "Complex multimorbidity and health outcomes in older cancer survivors"; Family Medicine and Community Health. 2017 Jul; 5(2):129-138.

  • Koroukian SM, Schiltz NK, Warner DF, Given CW, Schluchter M, Owusu C, Berger NA. “Social determinants, multimorbidity, and patterns of end-of-life care in older adults dying from cancer.” J Geriatr Oncol. 2017 Mar;8(2):117-124.

  • Schiltz NK, Warner DF, Sun J, Bakaki PM, Dor A, Given CW, Stange KC, Koroukian SM. "Identifying Specific Combinations of Multimorbidity that Contribute to Health Care Resource Utilization: an Analytic Approach."; Medical Care. 2017 Mar;55(3):276-284.

  • Koroukian SM, Schiltz N, Warner DF, Sun J, Bakaki PM, et al. Combinations of Chronic Conditions, Functional Limitations, and Geriatric Syndromes that Predict Health Outcomes. J Gen Intern Med. 2016 Jun;31(6):630-7.

  • Schiltz NK, Kaiboriboon K, Koroukian SM, Singer ME, Love TE. Long-term reduction of health care costs and utilization after epilepsy surgery. Epilepsia. 2016 Feb;57(2):316-24.

  • Kaiboriboon K, Schiltz NK, Bakaki PM, Lhatoo SD, Koroukian SM. Premature mortality in poor health and low income adults with epilepsy. Epilepsia. 2014 Nov;55(11):1781-8.

  • Schiltz NK, Finkelstein Rosenthal B, Crowley MA, Koroukian SM, Nevar A, Meropol SB, Cuttler L. Rehospitalization during the first year of life by insurance status. Clin Pediatr (Phila). 2014 Aug;53(9):845-53.

  • Schiltz NK, Koroukian SM, Singer ME, Love TE, Kaiboriboon K. Disparities in access to specialized epilepsy care. Epilepsy Res. 2013 Nov;107(1-2):172-80.


Doctor of Philosophy
Epidemiology & Biostatistics
Case Western Reserve University
Bachelor of Arts
Political Science
Miami University
Bachelor of Science
Quantitative Economics
Miami University