Dr. Collin D. Cullen is an internist affiliated with Sibley Memorial Hospital. Dr. Cullen is certified in internal medicine by the American Board of Internal Medicine and general pediatrics by the American Board of Pediatrics. 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.