Sian L. Spurney, MD earned a degree of a Doctor of Medicine. Licenses and Affiliations. Sian L. Spurney, MD has been registered with the National Provider Identifier database since April 27, 2006, and her NPI number is 1366409070. Book an Appointment. To schedule an appointment with Dr. Sian L. Spurney, please call (202) 741-2222..