Jeffrey   Klein, MD

Jeffrey Klein, MD

Specialty: Reproductive Medicine & Infertility
Reproductive Medicine & Infertility
Reproductive Medicine Associates (RMA) of New York - Westchester
Accepting New Patients
RMA of New York — Mount Kisco Clinic

360 North Bedford Road
Mount Kisco, NY 10549

RMA of New York — White Plains Clinic

311 North Street Suite 310
White Plains, NY 10605

  • About
  • Education & Training
  • Affiliations
  • Publications
About Provider Jeffrey Klein, MD:

Note: This provider is a member of Reproductive Medicine Associates  (RMA) of New York - Westchester . Please note that as a RMA physician, this provider is not a part of Optum and their insurance may differ from Optum's accepted insurance.

Dr. Jeffrey Klein is a board-certified Reproductive Endocrinologist and Infertility Specialist, and serves as Medical Director of RMA of New York – Westchester and Tissue Bank Director of the White Plains location. Dr. Klein sees patients in both the White Plains and Mount Kisco locations. He is a speaker for various professional societies.

Dr. Klein graduated with honors from the University of Michigan. Following his undergraduate education, he received his Doctorate of Medicine from the Albert Einstein College of Medicine and completed residency training in Obstetrics and Gynecology at The George Washington University Medical Center. During residency, he was recognized for his surgical skills and was awarded the Society of Laparoendoscopic Surgeons resident achievement award. Dr. Klein developed an interest in reproductive disorders and subsequently completed a fellowship in Reproductive Endocrinology and Infertility at New York-Presbyterian/Columbia University Irving Medical Center.

He has received many academic awards during his studies and training, including the prestigious Ortho-McNeil Pharmaceutical Education Award. While at Columbia University, Dr. Klein pursued research on novel reagents for clinical use in IVF and infertility treatments. This innovative work culminated in national recognition, presentations at international meetings, and collaboration with a global pharmaceutical company. He has published both basic research and clinical reports in peer-reviewed journals as well as chapters in textbooks on a wide range of reproductive topics including IVF, reproductive aging, and egg donation. Dr. Klein has been recognized as a Top Reproductive Endocrinologist and Infertility Specialist by Castle Connolly and in New York and Westchester Magazine's Top Doctors edition every year since 2007. He has also been recognized by Super Doctors annually since 2009 as a New York Super Doctor.

Dr. Klein's areas of expertise include treatment of infertility, IVF, egg donation, polycystic ovary syndrome (PCOS), endometriosis, recurrent pregnancy loss, and gestational surrogacy. He is a member of the American College of Obstetrics and Gynecology, the American Society for Reproductive Medicine, and the Society for Reproductive Endocrinology and Infertility.

Learn More about Dr. Klein

Make an Appointment

Show More
Languages Spoken: English
Gender: Male

Patient Ratings and Comments

The following reviews are from real patients who had a recent visit with this provider:

Awards & Recognitions:
  • Castle Connolly Top Doctor: 2012 - 2013, 2016 - 2022
  • Westchester Magazine Top Doctor: 2007 - 2022
  • New York Magazine Top Doctor: 2012 - 2013, 2016 - 2022
  • Undergraduate & Graduate
    • University of Michigan, Ann Arbor MI: 1991
  • Medical Education
    • Albert Einstein College of Medicine, Bronx NY: 1995
  • Residency
    • The George Washington University Medical Center, Washington DC: 1999
  • Fellowship
    • Columbia University Medical Center, New York: 2002 Reproductive Endocrinology and Infertility
  • Board Certifications
    • Obstetrics and Gynecology Reproductive Endocrinology and Infertility
Professional Affiliations:
  • American Society for Reproductive Medicine
  • Society for Reproductive Endocrinology and Infertility
  • American College of Obstetrics and Gynecology

Ascher-Walsh C, Klein J, Sauer MV. Treating Infertility in Women of Advanced Reproductive Age. Repro Technolog 2000;10(4):184-88.

Lobel L, Pollak S, Klein J, Lustbader JW. High Level Bacterial Expression of Soluble Extracellular Domain of the hLH/CG Receptor in the Cytoplasm of E. coli. Endocrine 2001;14(2) 205-212.

Klein J, Sauer MV. Assessing Fertility in Women of Advanced Reproductive Age. Am J Obstet and Gynecol 2001;185(3):758-70.

Klein J, Lobel L, Pollak S, Xiao E, Ferin M, Sauer MV, Lustbader JW. Pharmacokinetics and pharmacodynamics of single-chain recombinant hFSH containing the hCG carboxyterminal peptide in the rhesus monkey. Fertil Steril 2002;77(6):1248-1255.

Pena JE, Klein J, Chang PL, Thornton M, Sauer MV. Successive pregnancies with delivery of two healthy infants in a couple who was discordant for human immunodeficiency virus infection. Fertil Steril 2002;78(2):421-3.

Klein J, Sauer MV. Oocyte donation. Best Pract Res Clin Obstet Gynaecol. 2002;16(3):277-91.

Lobel L, Pollak S, Lustbader B, Klein J, Lustbader JW: Expression and purification of an active extracellular domain fusion protein of the hFSH receptor in reductase mutants of E. coli. Protein expression and purification 2002;25(1):124-133.

Klein J, Lobel L, Pollak S, Lustbader B, Ogden RT, Sauer MV, Lustbader J. Development and characterization of a long-acting recombinant hFSH agonist. Hum Reprod 2003;18(1):50-56.

Klein J and Sauer MV. Asherman syndrome. In NORD Guide to Rare Disorders. Lippincott Williams & Wilkins, Philadelphia, PA, 2003.

Klein J , Pena JE, Thornton MH, Ruman J, Kavic S, Sauer MV. Understanding the motivations, concerns and desires of HIV-serodiscordant couples wishing to have children through assisted reproductive techniques (ART). Obstet Gynecol 2003;101:987-94.

Ruman J, Klein J, Sauer MV. Understanding the effects of age on female fertility. Minerva Ginecol 2003;55:117-27.

Pena JE, Klein J, Thornton MH, Sauer MV. Providing assisted reproductive care to male haemophiliacs infected with human immunodeficiency virus: preliminary experience. Haemophilia 2003;9:309-16.

Weenan C, Lobel L, Pollak S, Klein J, Pena JE, Ogden T, Palmer S, Lustbader, JW. Long-acting FSH analogues containing N-linked glycosylation exhibited increased bioactivity as compared to O-linked analogues in female rats. Accepted for publication, J Clin Endocrinol Metab, July 2004

Ruman J, Trousdale RK, Pollak S, Klein J, Lobo R, Lustbader JW.Effects of long-acting recombinant human follicle stimulating hormone (rhFSH) analogues containing N-linked glycosylation on murine folliculogenesis. Accepted for publication, Fertil Steril July 2004