Dr. Collin D. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md.
Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in obstetrics and gynecology at Geisinger Medical Center.
Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner by Washingtonian Magazine.