Jonathan C. Howell, MD, PhD, is board certified in both pediatrics and pediatric endocrinology. He has been on the faculty of Cincinnati Children’s Hospital Medical Center within the Department of Pediatrics of the University of Cincinnati College of Medicine since 2012.

Dr. Howell is an assistant professor of pediatrics in the Division of Endocrinology within the UC Department of Pediatrics. His main clinical focus is diabetes as well as providing care for patients with endocrine disorders, including growth, thyroid, pituitary, pubertal, and adrenal dysfunction. Dr. Howell’s research focuses on the effects of congenital anemias and cancer on the endocrine system and the outcomes of chemotherapy, radiation, transfusions, and chronic steroid therapy on endocrine hormone function. 

Dr. Howell received his Bachelor of Arts degree from Hanover College. He received his PhD from Indiana University and his MD from Indiana University School of Medicine.

Dr. Howell completed his pediatric internship and residency at Cincinnati Children’s Hospital Medical Center, where he also served as chief resident. He also obtained his fellowship training from Cincinnati Children’s.

BA: Hanover College, Hanover, IN, 1997.

PhD: Indiana University (Edward F. Srour, thesis adviser), Indianapolis, IN, 2003.

MD: Indiana University School of Medicine, Indianapolis, IN, 2005.

Residency: Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, 2005-2008.

Chief Residency: Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, 2008-2009.

Endocrinology Fellowship: Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, 2009-2012

Certification: Pediatrics, 2008; Pediatric Endocrinology, 2013.

Services and Specialties

Endocrinology, Rasopathy, Differences of Sex Development

Research Areas


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Gonadal function in pediatric Fanconi anemia patients treated with hematopoietic stem cell transplant. Koo, J; Grom-Mansencal, I; Howell, JC; Rios, JM; Mehta, PA; Davies, SM; Myers, KC. Haematologica: the hematology journal. 2023; 108:2358-2368.

Male pediatric, adolescent, and young adult reproductive survivorship. Burns, K; Phillips, C; Brannigan, R; Franklin, A; Howell, J; Schmidt, D; Sopfe, J; Appiah, LC; Anazodo, A. Pediatric Blood and Cancer. 2023; 70 Suppl 5:e28823.

Reduced-Intensity Conditioning Mitigates Risk for Primary Ovarian Insufficiency but Does Not Decrease Risk for Infertility in Pediatric and Young Adult Survivors of Hematopoietic Stem Cell Transplantation. Bender, JD; Oquendo-del Toro, H; Benoit, J; Howell, JC; Badia, P; Davies, SM; Grimley, MS; Jodele, S; Phillips, C; Burns, K; Rose, SR; Hoefgen, H; Khandelwal, P; Myers, KC. Transplantation and cellular therapy. 2023; 29:130.e1-130.e8.

24 Longitudinal Risk of Bone Disease in a Diverse Pediatric Population Undergoing Allogeneic Hematopoietic Stem Cell Transplant. Sabulski, DA; Segev, N; Hornung, L; Wasserman, H; Myers, K; Howell, JC. Transplantation and cellular therapy. 2023; 29:s20-s21.

Bone Health Outcomes at 1 Year after Hematopoietic Stem Cell Transplantation in a Heterogeneous Pediatric Population. Swauger, S; Sabulski, A; Hornung, L; Wasserman, H; Myers, KC; Howell, JC. Transplantation and cellular therapy. 2022; 28:44.e1-44.e6.

Incidence of thyroid dysfunction in children after HSCT with reduced intensity conditioning (RIC) or myeloablative conditioning (MAC). Wang, YZ M; Howell, JC; Grimley, MS; Lane, A; Davies, SM; Myers, KC. Pediatric Transplantation. 2021; 25:e13983.

SUN-065 Bone Health Outcomes in a Large, Diverse Pediatric Cohort Undergoing Hematopoietic Stem Cell Transplant. Swauger, S; Sabulski, A; Hornung, L; Myers, K; Wasserman, H; Howell, JC. Journal of the Endocrine Society. 2020; 4:sun-065.

Pituitary disease in pediatric brain tumor survivors. Howell, JC; Rose, SR. Expert Review of Endocrinology and Metabolism. 2019; 14:283-291.

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