Our Team Meet our expert reproductive team of fertility doctors and providers: compassionate, personable and dedicated to your success. Our fertility physicians Dr. Bill Meyer Dr. John Park Dr. Meaghan Bowling Dr. Lauren Johnson Dr. Monica Schointuch Retired Founder Dr. Grace Couchman Our advanced practice providers Alexandra Dieffenderfer, PA-C Karen Onori, FNP-BC Natalie Brantley, MSN, WHNP-BC Sarah Yon, MSN, FNP-BC Our dedicated lab leaders Billy (Taeshin) Kim, Ph.D., TS, HCLD – IVF Lab Director Meagan Bergeron, MS, TS – Embryologist Callie Barnwell Gibson, Ph.D., TS (ABB) – Embyrologist