All Team

A successful IVF program isn’t possible without a highly trained team of embryologists, and leading PREG’s network of three comprehensive IVF laboratories is Dr. Jing Chen, whose reputation in the field is unsurpassed and passion for helping patients achieve their goals unmatched. With more than two decades of postgraduate and professional experience in embryology, Dr. Chen’s exceptional journey in the…

PREG is so very excited to introduce Dr. Kathryn Imgrund, who is welcoming new patients at our Columbia center. Dr. Imgrund will spearhead our advanced gynecologic surgery program for our Columbia and Lowcountry centers while also coordinating care for patients presenting with all types of fertility challenges. Originally from Waco, TX, she became a South Carolina Gamecock for life through…

Kathryn Snow is excited to serve patients in Summerville and the Greater Charleston area, and looks forward to exploring all of Charleston’s highlights. In her free time, she loves traveling and spending time with her husband and their yellow lab, Toby. She was born and raised in Charlotte, NC and was an avid dancer in her young adult life. She…

Jim has been practicing law since 1989 and working in the field of Assisted Reproduction since 1994.

Allison Ramsey, MS, LPC, GC-C received a Master of Science degree in psychology with emphasis in mental health counseling at Western Washington University.

Dr. Joe Hammond is a licensed clinical psychologist with over 25 years of clinical experience in Greenville, SC.

Dr. Tarnawa graduated from Southern Methodist University in Dallas before receiving his medical degree from the University of Texas Health Science Center at San Antonio, where he finished first in his class and was elected to the Alpha Omega Alpha national medical honor society. Before joining PREG in 2017, Dr. Tarnawa completed his residency in Obstetrics and Gynecology at MUSC…

Besides the general areas of Reproductive Endocrinology & Infertility, Dr. McCoy has extensive surgical expertise in advanced laparoscopic and hysteroscopic surgery. These include microsurgical techniques. He has served as a regional referral surgeon for patients with severe endometriosis, uterovaginal anomalies, and complex uterine fibroid cases. In addition, he has performed over 600 da Vinci Robotic Laparoscopic surgeries. His special interest…

Dr. Payne is a native South Carolinian. He finished his undergraduate degree at Furman University and earned his Medical Degree from the Medical University of South Carolina in Charleston. He specialized in Obstetrics and Gynecology, completing his Internship and Residency at Madigan Army Medical Center and then subspecialized in Reproductive Endocrinology and Infertility completing his REI Fellowship at Duke University…

Dr. Nichols’ education began with Georgia Southwestern College where he earned his undergrad degree and graduated Magna Cum Laude. He received his Medical Degree from the Medical College of Georgia and was inducted in the Alpha Omega Alpha Honor Medical Society. He completed his OB/GYN Residency and Internship at the University of Alabama, Birmingham and completed his Reproductive Endocrinology and…