Dr. Obafemi received his initial medical training at the University of Ife in Nigeria. He completed his residency in Internal Medicine and occupational medicine at the Cook County Hospital in Chicago and a fellowship in Medical Toxicology at UT Southwestern Medical Center.  He has a strong background interest in General Internal Medicine with particular interest in the care of the diabetic patient and management of chronic heart failure. 

He currently specializes in the management of the poison patient, drug overdose, adverse drug reactions, work related diseases and injury.

Dr. Obafemi’s interests outside of medicine include fishing and community outreach programs.


Medical School
Obafemi Awolowo College of Health Sciences, Nigeria (1987)
General Hospital (1989), Rotating
Undergraduate School
University of Illinois at Chicago School of Public Health (1994), Public Health
Cook County Hospital Internal Medicine Residency Program (2000), Occupational Medicine
UT Southwestern Medical Center (2012), Toxicology

Research Interest

  • Chelation therapy
  • Heavy metal poisoning
  • Occupational asthma
  • Work-related diseases and injury


Featured Publications LegendFeatured Publications

Myocardial infarction associated with use of the synthetic cannabinoid K2.
Mir A, Obafemi A, Young A, Kane C Pediatrics 2011 Dec 128 6 e1622-7
Cardiotoxicity associated with the synthetic cannabinoid, K9, with laboratory confirmation.
Young AC, Schwarz E, Medina G, Obafemi A, Feng SY, Kane C, Kleinschmidt K Am J Emerg Med 2011 Jul
Patients admitted with an acute coronary syndrome (ACS) in New Zealand in 2007: results of a second comprehensive nationwide audit and a comparison with the first audit from 2002.
Ellis C, Gamble G, Hamer A, Williams M, Matsis P, Elliott J, Devlin G, Richards M, White H N. Z. Med. J. 2010 Jul 123 1319 25-43
ACS patients in New Zealand experience significant delays to access cardiac investigations and revascularisation treatment especially when admitted to non-interventional centres: results of the second comprehensive national audit of ACS patients.
Ellis C, Devlin G, Elliott J, Matsis P, Williams M, Gamble G, Hamer A, Richards M, White H N. Z. Med. J. 2010 Jul 123 1319 44-60
Leukocytosis and hypercalcemia: a rare combination of paraneoplastic features in squamous cell penile cancer.
Doraiswamy VA, Biboa J, Obafemi A, Goldschmid M South. Med. J. 2010 May 103 5 474-6

Professional Associations/Affiliations

  • American College of Medical Toxicology (2010)
  • American College of Occupational and Environmental Medicine (2010)
  • North American Academy of Clinical Toxicologists (2010)
  • American College of Physicians (2008)