OBS-GYN of Rockland

Highland Medical laborists and midwives are a part of the birthing team in place at Montefiore Nyack Hospital. While you may not see these clinicians in the office as part of your prenatal care, they are part of the Highland Medical team and will work closely with your doctor to coordinate and deliver the best care for you and your baby.

Dr. Dennis Domosi

Dennis Domosi, MD, FACOG

Biography coming soon.

Delfina Margalli

Delfina Margalli, RN, CNM, DNP

Delfina Margalli is a Registered Nurse and Certified Nurse midwife with Highland Medical, P.C. She provides care to patients on the labor and delivery floor at Montefiore Nyack Hospital. She has over 25 years of nursing experience on labor and delivery units caring for high risk and low risk antepartum, intrapartum and postpartum mothers.

She received her Bachelor of Science in Nursing at the State University of New York at Stony Brook in Stony brook, NY and her Doctorate of Nursing Practice, Midwifery at Columbia University, School of Nursing in New York, NY. She has received the Clinical Excellence Award and was an Associate Fellow where she served as a mentor/preceptor for new graduates entering Labor and Delivery at North Shore/LIJ-Lenox Hill Hospital in New York, NY.

 Delfina is a certified lactation counselor and certified in Inpatient Obstetric Nursing, Maternal Newborn Nursing and Electronic Fetal Monitoring.  In her free time she enjoys traveling and cooking and has a particular interest in alternative medicine.

Hernan Parra Freitas, MD

Hernan Parra Freitas, MD is an obstetrician and gynecologist with Highland Medical, PC. He provides care at Montefiore Nyack Hospital on the labor and delivery floor as a hospital laborist.  

Dr. Parra is originally from Cartagena, Colombia. He received his medical doctorate from Universidad del Norte in Barranquilla, Colombia in 2013. He was a research assistant for the Division of Family Planning, in the Department of Obstetrics and Gynecology at Oregon Health and Science University in Portland, Oregon, and later was a clinical observer at Alivio Medical Center in Indianapolis, Indiana in 2016.  

In 2017 Dr. Parra moved to NY where he joined the Obstetrics and Gynecology residency program at Bronx Care Health System, and completed his training in 2022.  

 Dr. Parra is fluent in Spanish and has a particular interest in Obstetrics, Family Planning and Woman’s reproductive health rights.