MarkLeondiresMD
Obstetrics & Gynecology • Norwalk, CTReproductive Endocrinology & Infertility
Medical Director of Reproductive Medicine Associates of Connecticut
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Office
761 Main Avenue
Suite 200
Norwalk, CT 06851Phone+1 203-750-7400
Summary
- Dr. Mark Leondires is an obstetrician/gynecologist in Norwalk, CT and is affiliated with multiple hospitals in the area, including Danbury Hospital, Norwalk Hospital, Stamford Hospital, and Greenwich Hospital. He received his medical degree from The Robert Larner, M.D. College of Medicine at The University of Vermont and has been in practice 26 years. He specializes in reproductive endocrinology & infertility and is experienced in reproductive and sexual endocrinology and general obstetrics and gynecology.
Education & Training
Maine Medical CenterResidency, Obstetrics and Gynecology, 1991 - 1995
University of Vermont College of MedicineClass of 1991
Certifications & Licensure
NY State Medical License 2003 - 2026
CT State Medical License 2002 - 2024
DC State Medical License 1998 - 2002
MD State Medical License 2001 - 2002
PA State Medical License 1995 - 1998
ME State Medical License Active through 1995- American Board of Obstetrics and Gynecology Obstetrics & Gynecology
- American Board of Obstetrics and Gynecology Reproductive Endocrinology/Infertility
Awards, Honors, & Recognition
- Top Doctors: New York Metro Area Castle Connolly, 2014-2019
- Fellow (FACOG) American Congress of Obstetricians and Gynecologists
Clinical Trials
- Clinical Study of PGT-A Versus PGT-A+ERA Start of enrollment: 2018 May 28
Publications & Presentations
PubMed
- 17 citationsEstradiol stimulates expression of two human prolactin receptor isoforms with alternative exons-1 in T47D breast cancer cells.M.P. Leondires, Zhang-Zhi Hu, Juying Dong, Chon Hwa Tsai-Morris, Maria L. Dufau
The Journal of Steroid Biochemistry and Molecular Biology. 2002-10-01 - 92 citationsEndometrial microbiota composition is associated with reproductive outcome in infertile patients.Inmaculada Moreno, Iolanda Garcia-Grau, David Perez-Villaroya, Marta Gonzalez-Monfort, Mustafa Bahçeci
Microbiome. 2022-01-04 - 43 citationsValidation of concurrent preimplantation genetic testing for polygenic and monogenic disorders, structural rearrangements, and whole and segmental chromosome aneuploid...Nathan R. Treff, Raymond Zimmerman, Elan Bechor, Jeff Hsu, Bhavini Rana
European Journal of Medical Genetics. 2019-08-01
Press Mentions
Connecticut Fertility Clinic Short on Egg Donors of ColorAugust 13th, 2024- Local Doctor Helps Gay Couples Become ParentsJune 18th, 2021
- Largest Research Study on Decision Making of Single or Coupled Intended Fathers Selected for Presentation at 2021 ACOG Annual Clinical and Scientific Meeting and 69th Annual Pacific Coast Reproductive Society MeetingMay 26th, 2021
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Grant Support
- Nest Egg GrantNest Egg Foundation2015–2019
Professional Memberships
- Fellow
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