Dr. Daniel Callahan completed his undergraduate degrees in finance, international business, and premed at Florida International University. He obtained his medical degree from University of Miami School of Medicine in Miami, Florida, and completed his residency in neurology at the University of Illinois at Chicago Hospital. He also completed a fellowship at Beth Israel Deaconess Medical Center in Boston, Massachusetts.

Callahan has been practicing since 2011 and has extensive experience in neurology and pain management. He is board certified in Neurology, Pain Management, and Clinical Neurophysiology.

Dr. Callahan is a member of the American Medical Association, the American Academy of Neurology, the American Society of Regional Anesthesia and Pain Management, and the International Spine Society.