Thomas Oliver Carpenter MD

Professor of Pediatrics (Endocrinology) and of Orthopaedics and Rehabilitation and Clinical Professor of Nursing; Director, Yale Center for X-Linked Hypophosphatemia; Medical Director, Hospital Research Unit

Departments & Organizations

Yale Medical Group

Office of Student ResearchClinical Investigation, Yale Center for (YCCI)Cancer Center, YaleSkin Diseases Research Center, Yale | Bone Center | Pituitary Program | Fellowship Training | Diabetes Research Center | Yale Core Center for Musculoskeletal Disorders | Orthopaedics and Rehabilitation | Pediatrics: Pediatric Endocrinology: Center for X-Linked Hypophosphatemia, Yale

Yale School of Nursing


Dr. Carpenter has maintained a career-long involvement in metabolic bone diseases in children. He currently directs the Yale Center for X-linked Hypophosphatemia (XLH) and the Physiology Core of the Yale Core Center for Musculoskeletal Diseases. His research interests center on the pathophysiology and development of therapy for XLH, the most common inherited form of rickets. He also has a major interest in the metabolism and function of vitamin D, and disorders related to vitamin D in children. He served as director of the Yale Pediatric Endocrinology Fellowship Training Program for over 20 years, and is Clinical Director of the Yale’s Pediatric Endocrinology Section.


  • M.D., University of Alabama , 1977

Selected Publication

  • Carpenter TO, Zhang JH, Parra E, Ellis BK, Simpson C, Lee WM, Balko J, Fu L, Wong BY-L, Cole DEC. Vitamin D Binding Protein is a key determinant of 25-hydroxyvitamin D levels in infants and toddlers. J Bone Miner Res. 2012 Aug 9. doi: 10.1002/jbmr.1735. [Epub ahead of print] PMID: 22887780

Latest Honor and Recognition

  • (2012) , Who's Who in America
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