Nancy A. Klein, MD


Dr. Nancy A. Klein is dedicated to providing the most complete care possible for her patients. She focuses on ensuring their comfort and satisfaction, helping them make the best decisions for their individual situation each step of the way so that, ultimately, they feel whole and happy at the end of their experience.

Dr. Klein, a founding partner at SRM, is a noted expert in various research and clinical areas including transitions of the normal human ovary from birth to menopause, reproductive aging, egg donation, and ovulation induction. She serves as SRM’s IVF Practice Director and has been integral in the maintenance of excellent pregnancy rates. An important component of her directorship has been to spearhead efforts towards the reduction of high-risk multiple births.

Board certified in both OB/GYN and Reproductive Endocrinology and Infertility, Dr. Klein has achieved international recognition for her research in topics related to female reproductive aging—funded by the National Institutes of Health, including the National Institute of Aging and the National Institute of Child Health and Human Development. She is the author of numerous publications on both the basic science and clinical aspects of aging, reproductive physiology, and infertility. Her research has been widely published for more than 20 years in professional journals, clinical textbooks, and meeting proceedings.

Often listed in Best Doctors in both Seattle Magazine (2006 – 2023) and Seattle Metropolitan Magazine (2007–2014, 2018), Dr. Klein was recognized as one of three Best Doctors for Women in the Puget Sound in 2003.

Dr. Klein sees patients at the Seattle location.




Seattle Magazine Best Doctors

2007-2014 & 2018

Seattle Metropolitan Magazine Top Doctors


Best Doctors for Women in the Puget Sound


"It was almost sad to say goodbye to Dr. Klein on Monday. We have worked with three fertility clinics now and I can honestly say that SRM’s customer service has been superior. Thank you for a wonderful, easy, super responsive and caring experience."

Former Patient