OB/GYN Appointments David Billings, MD, FACOG Trinity Health is pleased to announce that David Billings, MD, FACOG, a board-certified obstetrician and gynecologist, is seeing patients at Trinity Health Western Dakota on a monthly basis. Call 701-572-7711 or 701-418-7300 Comprehensive pregnancy care Prenatal care Complex pregnancies Infertility Trinity Health Western Dakota 1321 West Dakota Parkway, Williston, ND 701-572-7711 TRINITY HEALTH WESTERN DAKOTA trinityhealth.org OB / GYN Appointments David Billings , MD , FACOG Trinity Health is pleased to announce that David Billings , MD , FACOG , a board - certified obstetrician and gynecologist , is seeing patients at Trinity Health Western Dakota on a monthly basis . Call 701-572-7711 or 701-418-7300 Comprehensive pregnancy care Prenatal care Complex pregnancies Infertility Trinity Health Western Dakota 1321 West Dakota Parkway , Williston , ND 701-572-7711 TRINITY HEALTH WESTERN DAKOTA trinityhealth.org