Fertility Center

Physician Photo

Mitchell S. (Mitch) Rein, MD

Chief Medical Officer/Sr. V.P. Medical Affairs NSMC

Associate Gynecology & Obstetrician, Dept of Ob/Gyn, MGH

Chairman, MGH/North Shore Quality Committee

  • Phone: 978-882-6767
Obstetrics and Gynecology
Clinical Interests
Infertility - male and female
Abnormal uterine bleeding
Boston: Massachusetts General Hospital
Danvers: The Mass General/North Shore Center for Outpatient Care
Medical Education
MD, Duke University School of Medicine
Residency, Brigham and Women's Hospital
Fellowship, Brigham and Women's Hospital
Board Certifications
Obstetrics & Gynecology, American Board of Obstetrics and Gynecology
Reproductive Endo. & Infertility, American Board of Obstetrics and Gynecology
Patient Age Group
Accepting New Patients
Accepting New Patients


Mitchell S. Rein, MD., is currently the Chief Medical Officer and Sr. V.P. of Medical Affairs at North Shore Medical Center. Prior to becoming C.M.O., he was the Chair for the Dept. of Ob/Gyn and is currently a member of the Dept. of Ob/Gyn at MGH where he practices infertility and assisted reproductive technologies and gynecology as a part of the MGH/North Shore Ob/Gyn practice. He is an Assoc. Prof. in Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School, and has published extensively on the topics of uterine fibroids, infertility and quality improvement.

Dr. Rein is a fellow in the American College of Obstetrics and Gynecology, Division of Reproductive Endocrinology. He is also a member of the American Society of Reproductive Technologies, the American College of Physician Executives, the Obstetrical Society of Boston, the New England Obstetrical Society, the Mass Medical Society.

Dr. Rein received his medical degree from Duke University School of Medicine. He completed a residency specializing in obstetrics and gynecology and a fellowship in reproductive endocrinology and infertility at Brigham and Women's Hospital.


  • Quality Improvement / Patient Safety
  • Infertility Clinical Trials
  • Pathogenesis of Uterine Leiomyota


Rein, M.S., Friedman, A.J., Heffner, L. Decreased prolactin secretion by explant cultures of fibroids from women treated with a gonadotropin releasing hormone agonist., J. Clin. Endocrinol. Metab. (1990) 70:1554-1558Rein, M.S., Friedman, A.J., Barbieri, R.L., Pavelka, K., Fletcher, J.A., Morton, C.C. Cytogenetic abnormalities in uterine leiomyomata. Obstet. Gynecol. (1991) 77: 923-926

Rein, M.S., Barbieri, R., Friedman, A. Progesterone: A critical role in the pathogenesis of uterine myomas. Am. J. Obstet. Gynecol. (1995) 172:14-18

L. Riley MD*, M. Appollon, MD, S. Haider MD MPH, S. Chan-Flynn CMN, MPH* A. Cohen, J. Ecker MD, M. Rein MD***, E. Liberman MD DrPh. J. Perinat.- (2003-06); 23 (4): 272-277

Mass General OB/GYN at Mass General/North Shore Center
104 Endicott Street
Suite 304
Danvers, MA 01923-3623

Phone: 978-882-6767
Fax: 978-882-6775

Vincent Reproductive Medicine & IVF
55 Fruit Street
Yawkey Center for Outpatient Care
Boston, MA 02114-2696

Phone: 617-726-6942