Mr. Dimitrios S. Mastrogiannis, MD

Expert Publications

• Cocaine affects prostaglandin production in human umbilical cord cell cultures.
• Cocaine decreases urinary prostacyclin release in pregnancy: correlation with uterine and umbilical Doppler velocimetry.
• Potential role of endothelin-1 in normal and hypertensive pregnancies.
• Fetal head molding. Diagnosis by ultrasound and a review of the literature.
• Insulin resistance: the possible link between gestational diabetes mellitus and hypertensive disorders of pregnancy.
• The "Allis" test for easy cesarean delivery.
• Sequential outpatient application of intravaginal prostaglandin E2 gel in the
• Obstetric outcomes in pregnant women with diabetes versus hypertensive disorders versus both.
• The role of telemedicine in the management of the pregnancy complicated by diabetes.
• Perinatal outcome after recent cocaine usage.
• Alcohol enhances HIV infection of cord blood monocyte-derived macrophages.
• Childhood Sexual Violence and Consistent, Effective Contraception Use among Young, Sexually Active Urban Women.
• Maternal hyperlipidemia in pregnancy.
• The effect of acetaminophen on prostacyclin production in pregnant women.

Media Releases

Get to know Obstetrician-Gynecologist Dr. Dimitrios S. Mastrogiannis, who serves patients in New York.

Dr. Mastrogiannis is a board-certified obstetrician-gynecologist who serves as Director of the Maternal Fetal Medicine Program at Good Samaritan Hospital Medical Center in West Islip, New York. Good Samaritan Hospital Medical Center, a member of Catholic Health Services of Long Island, is a 537-bed (including 100 nursing home beds), not-for-profit hospital serving the communities on the south shore of Long Island. Good Samaritan’s high-quality medical services extend across the continuum of care to all disciplines, both for inpatients and outpatients.

Alongside his role as Director, Dr. Mastrogiannis serves as Chairman of Maternal Fetal Medicine for Catholic Health Services (CHS) of Long Island in Rockville Centre, New York. CHS is an integrated health care delivery system with some of the region’s finest health and human services agencies. It includes six hospitals, three skilled nursing facilities, a regional home nursing service, hospice, and a multiservice, community-based agency for persons with special needs. 

Prior to his current roles, Dr. Mastrogiannis was the Vice Chairman in the Department of Obstetrics & Gynecology at Temple University and the Director of Obstetrics and Maternal Fetal Medicine at Temple University Hospital in Philadelphia, Pennsylvania. He also previously served as Director of Maternal Fetal Medicine at Good Samaritan from 1997 until 2007. 

He earned his medical degree from the University of Patras in Patras, Greece in 1983. Upon relocating to the United States, he went on to complete his internship at Forest Hills Hospital, followed by his residency in obstetrics and gynecology at Nassau County Medical Center and his fellowship in maternal medicine at the University of South Florida. 

In addition to being a Fellow of the American College of Obstetrics and Gynecology and a member of the Society for Maternal Fetal Medicine, Dr. Mastrogiannis holds board certifications in both maternal-fetal medicine and obstetrics & gynecology from the American Board of Obstetrics and Gynecology. 

Obstetrics and Gynecology is the medical specialty that encompasses the two subspecialties of obstetrics (covering pregnancy, childbirth, and the postpartum period) and gynecology (covering the health of the female reproductive system – vagina, uterus, ovaries, and breasts). An obstetrician-gynecologist, or OB-GYN, is a healthcare professional who specializes in female reproductive health. 

As a physician-researcher, Dr. Mastrogiannis has been recognized with grant funding from the National Institutes of Health. His research interests include critical care, preterm labor, tocolysis, pregnancy-induced hypertension, HIV in pregnancy, and gestational diabetes. He has published over 50 scientific papers in peer-reviewed journals.

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