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Thomas S. Kosasa

Kapiolani Medical Center for Women & Children, 1319 Punahou St., Suite 980, Aiea, HI 96826
(808) 946-2226
Specialty: Reproductive Endocrinology/Infertility
Special Expertise: Endometriosis, Infertility, Infertility: IVF, Polycystic Ovarian Syndrome

Dr. Thomas Kosasa, Pacific In Vitro Fertilization Institute

As the founding physician of Pacific In Vitro Fertilization Institute, Hawaii’s first established IVF clinic, Dr. Thomas Kosasa continues to assist couples and individuals who struggle to achieve pregnancy. Pacific In Vitro first made headlines for Hawaii’s first “test tube” baby in 1985 and has since delivered more than 7,000 babies. Along with Dr. Celia Dominguez and on-site Ph.D. laboratory director Dr. Thomas Huang, Jr., Pacific In Vitro brings experience, knowledge, and the highest quality of care in a supportive environment to couples who have tried to start families without success.


Dr. Celia Dominguez has gained the respect of her colleagues as an exceptional reproductive endocrinologist. She is double-board certified in Obstetrics and Gynecology and Reproductive Endocrinology and Infertility, has published over 80 scientific articles, and received several teaching awards throughout her career. Dr. Thomas Huang, Jr. is an Associate Professor at the University of Hawaii John A. Burns School of Medicine. He has served on the Board of the Society for Assisted Reproductive Technology and as Chair of the Reproductive Technology Professional Group. He serves as a reviewer for several national and international journals and is a respected lecturer on In Vitro Fertilization and embryo development.


Dr. Kosasa has practiced obstetrics and gynecology for over 50 years and in that time has delivered over 10,000 babies—more than any other Hawaii physician. He rose to the rank of Major in the U.S. Army; is an accomplished pilot and flight instructor with an ATP rating; is a seasoned race car driver with a first-place finish in the North Atlantic Road Racing series driving a Porsche. Dr. Kosasa has led an exciting life. But nothing excites him more than bringing a new life into the world. For decades, he’s helped countless mothers through childbirth with his experience, technical expertise, and kindness.


In addition to helping thousands realize their dream of starting a family, Dr. Kosasa has also influenced new generations of physicians. As a professor emeritus and past chief of reproductive endocrinology at the University of Hawaii John A. Burns School of Medicine, he has been teaching and sharing his vast knowledge and perfected techniques with medical students and residents for more than 30 years. Dr. Kosasa views teaching as a privilege and continues to have a student with him for every delivery—furthering his impact on future physicians and adding to his number.


Pacific in Vitro Fertilization Institute