Alan Penzias, MD
Northeast Regional Medical Director, Fellowship Director - Beth Israel Deaconess/Harvard, Physician Partner, Reproductive Endocrinologist
Practicing at
Dr. Alan Penzias is board-certified in Obstetrics and Gynecology and Reproductive Endocrinology and Infertility, with more than 30 years of experience in reproductive medicine. He specializes in all aspects of infertility care and is committed to providing individualized, evidence-based treatment. He believes that listening carefully to patients and understanding their goals are essential to helping them navigate their fertility journey.
Dr. Penzias is an Associate Professor of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School, Director of the Fellowship Program in Reproductive
Endocrinology and Infertility at Beth Israel Deaconess Medical Center/Harvard Medical School, and Northeast Regional Medical Director for Everleap Fertility.
A nationally recognized leader in reproductive medicine, Dr. Penzias is a past president of the New England Fertility Society and has served on the Board of Directors of the American Society for Reproductive Medicine (ASRM), the Executive Council of the Society for Assisted Reproductive Technology (SART), and as Chair of the ASRM Practice Committee. He has also contributed to international initiatives through the World Health Organization and the International Federation of Fertility Societies.
Throughout his career, Dr. Penzias has been actively involved in clinical research, physician education, and the development of evidence-based guidelines for reproductive medicine. His principal research interests focus on improving the quality of fertility care and treatment outcomes. He has contributed to more than 250 peer-reviewed publications, clinical guidelines, committee opinions, book chapters, and other scholarly works. He is a former associate editor of Fertility and Sterility, serves on the editorial boards of Fertility and Sterility and F&S Reports, and is a member of the Emeritus Editorial Board of Reproductive BioMedicine Online.
Dr. Penzias received his undergraduate degree from the University of Pennsylvania and his medical degree from SUNY Downstate Medical Center. He completed his residency in Obstetrics and Gynecology at Beth Israel Hospital/Harvard Medical School and his fellowship in Reproductive Endocrinology at Yale University.
His professional contributions have been recognized with numerous honors, including the American Society for Reproductive Medicine's 2022 Suheil J. Muasher, MD, Distinguished Service Award and repeated recognition as a Boston Magazine Top Doctor.
Outside of medicine, Dr. Penzias enjoys spending time with his wife, Louise, their four children, and two grandchildren. Family gatherings, time with friends, and life with their two dogs provide a welcome balance to his professional life.
Awards
Castle Connolly Top Doctor | 2009–2026
Boston Magazine Top Doctor | 2009–2026
American Society for Reproductive Medicine Suheil J. Muasher, MD, Distinguished Service Award | 2022
Clinical leadership
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How Alan Penzias, MD is advancing fertility care
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Where Alan Penzias, MD practices
Waltham
130 2nd Avenue
Waltham, MA 02451
Waltham, MA 02451
Mon - Fri: 9:00 AM - 5:00 PM
Sat - Sun: 9:00 AM - 3:00 PM
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"What makes our clinic so incredibly special isn't just the cutting-edge science or the state-of-the-art laboratory - it is the unwavering empathy and dedication of our entire team"
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"What makes our clinic so incredibly special isn't just the cutting-edge science or the state-of-the-art laboratory - it is the unwavering empathy and dedication of our entire team"
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"What makes our clinic so incredibly special isn't just the cutting-edge science or the state-of-the-art laboratory - it is the unwavering empathy and dedication of our entire team"