Herbert F. Gretz, MD

Gyn Oncology

1281 East Main Street
Stamford, CT 06902

Main: (914) 305-2730
Fax: (914) 305-2731

Herbert F. Gretz MD PC

3030 Westchester Avenue
Purchase, NY 10577

Main: (914) 305-2730
Fax: (914) 305-2731

About Me

Dr. Gretz is a clinical professor of obstetrics and gynecology at the Icahn School of Medicine at Mount Sinai and the associate director of the Minimally Invasive Surgery Fellowship. Dr. Gretz provides specialty care for women with benign and malignant gynecologic conditions requiring surgery. He has been performing robotic surgery since its inception and has completed over 1100 da Vinci robotic procedures between 2006 and 2023. Dr. Gretz has practiced in New York City and the Westchester and Fairfield areas for over 25 years. He has published over 30 manuscripts in the field of gynecologic surgery and oncologic treatment.
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Gynecologic Oncology

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special interests

Sailing, photography


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Education & Training

Medical School

New York Medical College


New York University School of Medicine


University of Michigan Medical School

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Published Work

See PubMed 36 El Hachem L, Andikyan V, Mathews S, Friedman K, Poeran J, Shieh K, Geoghegan M, Gretz HF 3rd. Robotic Single-Site and Conventional Laparoscopic Surgery in Gynecology: Clinical Outcomes and Cost Analysis of a Matched Case-Control Study. J Minim Invasive Gynecol. 2016 Jul-Aug;23(5):760-8. doi: 10.1016/j.jmig.2016.03.005. Epub 2016 Mar 15. PMID:26992935 *35 El Hachem et al., Safety, Feasibility and Learning Curve of Robotic Single-Site Surgery in Gynecology. International Journal of Medical Robotics and Computer Assisted Surgery 2015. *34 Nagarsheth N, et al, Responses of advanced directives by Jehovah’s Witnesses on a gynecologic oncology service. Jour Bloodless Medicine 2014:5 *33 El Khouly NI, Barr RL, Kim BB, Jeng CJ, Nagarsheth NP, Fishman DA, Nezhat FR, Gretz HF, Chuang LT. Comparison of Laparoscopic and Robotic Management of Adnexal Masses J Minim Invasive Gynecol. 2014 May 24 *32 El Hachem L, Small E, Chung P, Moshier EL, Friedman K, Fenske SS, Gretz HF 3rd. Randomized controlled double-blind trial of transversus abdominis plane block versus trocar site infiltration in gynecologic laparoscopy. Am J Obstet Gynecol. 2014 Aug 1. *31 Cardenas-Goicoechea J, Shepherd A, Momeni M, Mandeli J, Chuang L, Gretz H, Fishman D, Rahaman J, Randall T. Survival analysis of robotic versus traditional laparoscopic surgical staging for endometrial cancer. Am J Obstet Gynecol. 2014 Feb;210(2):160. *30 Cardenas-Goicoechea J, Soto E, Chuang L, Gretz H, Randall TC. Integration of robotics into two established programs of minimally invasive surgery for endometrial cancer appears to decrease surgical complication. J Gynecol Oncol. 2013 Jan;24(1):21-8. doi: 10.3802/jgo.2013.24.1.21. Epub 2013 Jan 8. *29 Ohnuma T, Lehrer D, Ren C, Cho SY, Maniar M, Silverman L, Sung M, Gretz HF 3rd, Benisovich V, Navada S, Akahoho E, Wilck E, Taft DR, Roboz J, Wilhelm F, Holland JF. Phase 1 study of intravenous rigosertib (ON 01910.Na), a novel benzyl styryl sulfone structure producing G2/M arrest and apoptosis, in adult patients with advanced cancer. Am J Cancer Res. 2013 Jun 20;3(3):323-38. Print 2013. *28 Nezhat FR, Denoble SM, Cho JE, Brown DN, Soto E, Chuang L, Gretz H, Saharia P. Safety and efficacy of video laparoscopic surgical debulking of recurrent ovarian, fallopian tube, and primary peritoneal cancers. JSLS. 2012 Oct-Dec;16(4):511-8. doi: 10.4293/108680812X13462882736691. *27 Soto E, Lo Y, Friedman K, Soto C, Nezhat F, Chuang L, Gretz H. Total laparoscopic hysterectomy versus da Vinci robotic hysterectomy: is using the robot beneficial? J Gynecol Oncol. 2011 Dec;22(4):253-9. *26 Gad MS, ElKhouly NI, Soto E, Brodman M, Chuang L, Nezhat FR, Gretz HF, Differences in perioperative outcomes after laparoscopic management of benign and malignant adnexal masses, J Gynecol Oncol. 2011 Mar 31;22(1):18-24 *25 Soto E, Soto C, Nezhat F, Gretz H, Chuang L. Chylous ascites following robotic lymph node dissection on a patient with metastatic cervical carcinoma. J Gynecol Oncol 2011 Vol 22 No 1:61-63. 24 Nezhat FR, DeNoble SM, Liu CS, Cho JE, Brown DN, Chuang L, Gretz H, Saharia P, The safety and Efficacy of Laparoscopic Surgical Staging and Debulking of Apparent Advanced Stage Ovarian, Fallopian Tube, and Primary Peritoneal Cancers. JSLS. 2010 Apr-Jun;14(2):155-68 23 Nezhat F, Ezzati M, Chuang L, Shamshirsaz AA, Rahaman J, Gretz H. Laparoscopic management of early ovarian and fallopian tube cancers: Surgical and Survival Outcome. Am J Obstet Gynecol. 2009 Jan 200(1):83 e 1-6 22 Gretz H, Bradley WH, Zakashansky K, Nezhat F, Bohren DL, Kreiger K, Rubin E, Sokolow A., Effect of Physician Gender and Specialty on Utilization on Hysterectomy in NY 2001-2005. Am J Obstet Gynecol. 2008 Oct;199(4):347.e1-6 21 Gretz H, Bradley WH, Zakashansky K, Nezhat F, Rahaman J, Chuang L, Bohren DL, Kreiger K, Rubin E, Sokolow A., Patient Clinical Factors Influencing use of Hysterectomy in NY 2001-2005. Am J Obstet Gynecol. 2008 Oct;1999(4):349.e1-5 20 Chuang LT, Moqattash ST, Gretz HF, Nezhat F, Rahaman J, Chiao JW., Sulforaphane induces growth arrest and apoptosis in human ovarian cancer cells. Acta Obstetricia et Gynecologica Scandinavica. 2007 Jul 16:1-6 19 Nezhat F, Yadav J, Rahaman J, Gretz H, Cohen C., Analysis of Survival Following laparoscopic Management of Endometrial Carcinoma. J Minim Invasive Gynecol. 2008 Mar-Apr;15(2):181-7 18 Zakashansky K, Chuang L, Gretz H, Nagarsheth NP, Rahaman J, Nezhat FR., A case controlled study of total laparoscopic radical hysterectomy with pelvic lymphadenectomy versus radical abdominal hysterectomy in a fellowship training program. Int J Gynecol Cancer. 2007 Sep-Oct;17(5):1075-82. 17 Nezhat F, Yadav J, Rahaman J, Gretz H 3rd, Gardner GJ, Cohen CJ., Laparoscopic lymphadectomy using the ultrasonically activated shears: Analysis of the first 100 cases. Gynecol Oncol 2005 Jun;97(3):813-9 16 Zakashansky, K, Shamshirasaz AA, Dennis S, Rahaman J, Gretz H, Chuang L, Cohen CJ, Nezhat FR. Comparison of total laparoscopic (TLRH) versus abdominal radical hysterectomy (ARH) with pelvic and paraaortic lymphadenectomy in cervical cancer. A gynecologic oncology fellowship program experience. Gynecologic Oncology 96: 961, 2005 15 FR Nezhat, J Yadac, J Rahaman, H Gretz, CJ Cohen. Survival analysis after laparoscopy in women with endometrial cancer. Journal of the American Association of Gynecologic Laparoscopists August 2004 (Vol. 11, Issue 3, Supplement, Pages S3-S4) 14 FR Nezhat, GJ Gardner, J Yadav, H Gretz, L Chuang, J Rahaman, CJ Cohen Laparoscopic radical hysterectomy: Evolution of technique in a fellowship training program. Journal of the American Association of Gynecologic Laparoscopists August 2004 (Vol. 11, Issue 3, Supplement, Page S9) 13 Nagarsheth N, Rahaman J, Gretz H, Cohen CJ and Nezhat F. The Incidence of Port Site Metastasis in Gynecologic Cancers. JSLS. Apr-Jun; 8(2): 133-9.2004 2002 12 Argenta P, Rahaman J, Gretz H, Nezhat F, Cohen CJ. Vacuum-assisted closure in the treatment of complex gynecologic wound failures. Obstet Gynecol. 99(3):497-501,2002 11 Nezhat F, Cohen CJ, Rahaman J, Gretz H, Cole P, Kalir T. Comparitive immunohistochemical studies of bcl-2 and p53 proteins in benign and malignant ovarian endometrial cysts. Cancer 94(11):2935-40.2002. 10 Slomovitz BM, Caputo TA, Gretz HF 3rd, Economos K, Tortoriello DV, Schlosshauer et al., A comparative analysis of 57 serous borderline tumors with and without a noninvasive micropapillary component. Am J Surg Pathol. 2002 May;26(5):592-600. 9 Saini J, Kuczynski E, Gretz HF., Sills ES Supracervical hysterectomy versus total abdominal hysterectomy: perceived effects on sexual function BMC Women's Health (2002) 2:1 (17 Jan 2002) 8 Fields A, Hochster H, Runowicz C, Speyer J, Gretz H, Letvak L. et al. PSC833: initial clinical results in refractory ovarian cancer patients. Curr Opin Oncol. 1998 Aug;10 Suppl 1:S21. 7 Sills ES, Saini J, Steiner CA McGee M 3rd, Gretz HF 3rd. Abdominal Hysterectomy Practice Patterns in the USA: Int J Gyn & Obst 63(1998) 277-283. 6 Sills ES, Saini J, Steiner CA McGee M 3rd, Gretz HF 3rd. Supracervical and Total Abdominal Hysterectomy Trends In New York State: J Urban Health 75:903-910, 1998. 5 Gretz HF, Economos K, et al: The Practice of Surgical Staging and its Impact on Adjuvant Treatment Recommendations in Patients with Stage I Endometrial Carcinoma. Gynecol. Oncol. 63:409-415, 1996. Supported in part by Public Health Service research Grant Number RR0047 from the General Research Centers Program, National Institutes of Health. 4 Gretz HF 3rd, Talavera F, Connor P, Pearl M, Lelle RJ, Roberts JA, Menon KM. Protein Kinase C Dependent and Independent Pathways Mediate Epidermal Growth Factor EGF Effects in Human Endometrial Adenocarcinoma Cell Line KLE. Gynecol Oncol 53:228-33, 1994 3 Lelle RJ, Talavera F, Gretz H, Roberts JA, Menon KM. Epidermal Growth Factor Expression in Three Endometrial adenocarcinoma cell lines. Cancer. 1993 Jul 15;72(2):519-25. 2 Pearl ML, Talavera F, Gretz HF 3rd, Roberts JA, Menon KM. Mitogenic Activity of Growth factors in the Human Endometrial Adenocarcinoma Cell Lines HEC-1-A and KLE. Gynecol Oncol. 1993 Jun;49(3): 325-32. 1 Dattoli MJ, Gretz HF 3rd, Beller U, Lerch IA, Demopoulos RI, Beckman EM, Fried PR. Analysis of Multiple Prognostic Factors in Patients with Stage IB Cervical Cancer: Age as a Major Determinant. Int J Radiat Oncol Biol Phys. 1989 Jul;17(1):41-7.

Board Certifications

American Board of Obstetrics and Gynecology,American Board of Obstetrics and Gynecology


Society of Gynecologic Oncology

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