Nurse Practitioner
![Katie Drennan, WHNP-BC](https://obgyn.wustl.edu/app/uploads/2018/05/Drennan-Katie_OBGYN_300-280x386-1.jpg)
Katie Drennan, WHNP-BC
Women's Heath Nurse Practitioner
Board Certified
Division: Academic Specialists of Obstetrics & Gynecology
Admin; Brenda Sellers
![Anna Geiger, WHNP-BC](https://obgyn.wustl.edu/app/uploads/2022/04/Geiger-Anna_OBGYN_300-280x386-1.jpg)
Anna Geiger, WHNP-BC
Women's Health Nurse Practitioner
Board Certified
Division of Reproductive Endocrinology & Infertility
![Julie Hake, DNP, APRN-C, WHNP-BC](https://obgyn.wustl.edu/app/uploads/2021/12/Hake-Julie_OBGYN_300-280x386-1.jpeg)
Julie Hake, DNP, APRN-C, WHNP-BC
Women's Health Nurse Practitioner
Board Certified
![Susan Mitchell-Derenski, APRN, WHNP-BC](https://obgyn.wustl.edu/app/uploads/2023/01/Mitchell-Derenski-Susan_OBGYN_04_300-280x386.jpg)
Susan Mitchell-Derenski, APRN, WHNP-BC
Nurse Practitioner
Contraceptive Choice Center
Complex Family Planning, Contraception, & Gynecology
Admin; Kathy Nesser
![Danielle Turnbull, WHNP-BC](https://obgyn.wustl.edu/app/uploads/2019/08/Turnbull-Danielle_OB_01-2-280x386.jpg)
Danielle Turnbull, WHNP-BC
Women's Health Nurse Practitioner
Board Certified
Division: Maternal-Fetal Medicine