Welcome to Henke Ob-Gyn. We strive to provide state of the art gynecology for women of all ages. Our physician, Dr. Douglas Henke, has been providing gynecology services in Dickinson County for 30 years and has been board certified by the American Board of Obstetrics since 1988. Ginni Henke, Physician Assistant-Certified, joined him in practice nearly 20 years ago. Ginni is a certified menopause practitioner, through the North American Menopause Society.