Chief: Kenan R. Omurtag, MD

The Division of Reproductive Endocrinology and Infertility fully integrates the medical school’s commitments to education, patient care and research. Each facet of our mission builds on the others’ strengths, driving us to advance knowledge and practice in our field while providing patients the highest level of care and fostering a fast-paced, collegial environment among our faculty, fellows and staff.

See faculty listing »



REI fellowship

Our three-year fellowship program trains experts in the diagnosis and management of issues related to infertility and the reproductive endocrine system.

Helpful resources for current fellows

Current fellows can make use of the resources below. A username and password is required to access many of these resources.

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A tradition of leadership in ART

The Washington University Division of Reproductive Endocrinology and Infertility has been a leader in assisted reproductive technologies (ART) from the start. Here are a few highlights:


1976: REI fellowship initiated


1983: In vitro fertilization (IVF) program – the first in St. Louis – begins in partnership with Jewish Hospital


1985: First baby in Missouri conceived through IVF is born to parents treated in our division


1989: REI clinical presence expands with national and international study participation


1996: REI division unifies into one clinical center and begins offering continuous access to IVF


2010 – 2014: Significant growth of REI faculty to 7 physicians, 3 fellows, 1 PhD


2015: IVF program exceeds 700 cycles


Our providers

To see our fellows and clinical staff, visit the Fertility Center website.

Ali Ahmady, PhD, HCLD

Ali Ahmady, PhD, HCLD

Associate Professor, Obstetrics & Gynecology
Lab Director, REI

Anna Geiger, WHNP-BC

Anna Geiger, WHNP-BC

Women’s Health Nurse Practitioner
Board Certified
Division of Reproductive Endocrinology & Infertility

Patricia Jimenez, MD

Patricia Jimenez, MD

Associate Professor, OBGYN
Division of Reproductive Endocrinology & Infertility
Fellowship Director, Reproductive Endocrinology & Infertility

Admin; Laura Randant

Sarah L. Keller, MD

Sarah L. Keller, MD

Associate Professor, OBGYN
Division of Reproductive Endocrinology & Infertility

Admin; Laura Randant

Dan I Lebovic, MD, MA

Dan I Lebovic, MD, MA

Professor, OBGYN
Division of Reproductive Endocrinology and Infertility

Admin; Laura Randant

Kenan R. Omurtag, MD

Kenan R. Omurtag, MD

Chief, Division of Reproductive Endocrinology & Infertility
Associate Fellowship Director, Reproductive Endocrinology & Infertility
Associate Professor, OBGYN

Admin; Laura Randant

Valerie S. Ratts, MD

Valerie S. Ratts, MD

Professor, Ob/Gyn
Division of Reproductive Endocrinology and Infertility
Associate Dean, Medical Student Admissions

Admin; Laura Randant