• Dr. Nikolaos Vlahos graduated from the University of Athens Medical School in June of 1989 with Honors.
• Following the completion of his military service and his medical service in underserved areas in Greece, he was accepted by the State University of New York, where he specialized in Obstetrics and Gynecology (1992-1997) and became Board Certified by the American College of Obstetrics and Gynecology.
• From July 1997 to June 2000 he completed a three year accredited fellowship in Reproductive Endocrinology and Infertility at the Johns Hopkins Hospital, Baltimore USA. At the completion of his fellowship following written and oral exams he became Board Certified as a Reproductive Endocrinologist.
• In July of 2000 he accepted the position of Assistant Professor of Gynecology and Obstetrics at the Johns Hopkins University school of Medicine.
• In 2001 he was appointed Director of the department of Endometriosis and Laparoscopic Surgery at the Johns Hopkins Hospital ; in the same year he also undertook the responsibilities of Co-Director for the department of Assisted Reproduction and IVF.
• In September of 2004 Dr. Vlahos accepted  the position of Assistant Professor at the 2nd  Department  of Obstetrics and Gynecology of the University of Athens, as director of the division of Assisted Reproduction.
• In December of 2010 he was promoted to Associate Professor and he became the director of the department of Endoscopic surgery of Aretaieion University Hospital.
• In May of 2015 Dr. Vlahos was promoted to the position of Full Professor of Obstetrics and Gynecology and Assisted Reproduction.

Dr. Vlahos has been commended by the American Association of Gynecologic Laparoscopy Surgery ( AAGL)  for his exemplary performance in laparoscopic surgery, he has been awarded the title “Top Doc In America for Endometriosis and IVF” and has been nominated several time for the WHO IS WHO in AMERICA as well as WHO is WHO in Medicine and Health Care. He has been the principal author of more than 200 scientific publications, author of two and contributing author in 8 medical books. 

He has been a reviewer for several scientific journals  in the field of IVF and endoscopic surgery and he has organized several courses in endoscopic surgery and IVF. 

His main areas of interest are:  infertility and assisted reproduction, IVF, endometriosis, and advanced endoscopic surgery.