Hahn Ob-Gyn Associates has been offering comprehensive Ob-Gyn care in two St. Louis locations for more than 30 years.

We strive to assist our patients with our excellent skills and compassion in all aspects of obstetrics, gynecology, pregnancy, menopause, preconception, post-partum, surgery, family planning and more. Learn More

Our Providers

Dr. Eran Hahn, M.D., FACOG

Graduate of St. Louis University

Board Certified in Obstetrics and Gynecology 

Dr. Hahn graduated from St. Louis University and completed his residency at SLU. He is board certified in Obstetrics and Gynecology. He is a fellow of the American College of Obstetrics and Gynecology. Dr. Hahn is a native St. Louisan and is the father of three girls. He is on staff at DePaul Health Center, Mercy Hospital – St. Louis, Missouri Baptist, St. Mary’s Health Center and Christian Hospital. He has been in practice for over 10 years.

Dr. Yoram Hahn, M.D., FACOG

Graduate of Tel Aviv University

St. Louis University Fellowship in Gyn/Oncology

Fellow of the American College of Obstetrics and Gynecology

Clinical Professor at St. Louis University

Dr. Hahn is a graduate of Tel Aviv University. He completed his residency at Beilinson Medical Center, Petah-Tiqva, Israel. He completed a fellowship in Gynecological Oncology at St. Louis University. He is a Clinical Professor of OB/GYN at St. Louis University. Dr. Hahn is a fellow of the American College of Obstetrics and Gynecology and is board certified in Obstetrics and Gynecology.

Dr. Donna Robey, M.D., FACOG

Graduate of University of Missouri in Kansas City

Fellow of the American College of Obstetrics and Gynecology

Dr. Robey graduated from St. Louis University Medical School. She completed her residency in Obstetrics and Gynecology at the University of Missouri – Kansas City. She is board certified in Obstetrics and Gynecology and she is a fellow of the American College of Obstetrics and Gynecology.

Mary Hans, WHNP-BC

Graduate of St. Louis University, Bachelor of Science in Nursing

Graduate of University of Missouri – St. Louis, Masters of Science in Nursing

Board Certified Women’s Health Nurse Practitioner

Mary graduated from St. Louis University with a bachelor’s in Nursing. She served as staff nurse in labor and delivery. She then attended the University of Missouri –St. Louis where she completed a Masters of Nursing. She is a board certified Women’s Health Nurse Practitioner.

Jill Flores, WHNP-BC

Graduate of University of Missouri – St. Louis, Bachelor of Science in Nursing

Graduate of University of Missouri – St. Louis, Masters of Science in Nursing

Board Certified Women’s Health Nurse Practitioner

Jill graduated from UMSL with a BSN. She has served as a staff nurse in labor and delivery and as a registered nurse first assistant. She then attended UMSL and completed a Masters of Nursing. She is a board certified Women’s Health Nurse Practitioner.

Hospital Affiliations

Our physicians are affiliated with the following hospitals:

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