Dr. Thomas Larkin attended medical school at the State University of New York, Syracuse and performed his Internship, Anesthesiology residency, and Pain Management Fellowship at Walter Reed Army Medical Center. Since the completion of his fellowship, he has held many positions at Walter Reed including Attending Anesthesiologist, Medical Director of the Pain Management Center, and Chief of Pain Management services.

Dr. Larkin has published extensively on many facets of pain management. He currently holds medical licenses in Maryland, Washington DC, and Virginia.