Dr. William Pfeffer is board certified in both Obstetrics and Gynecology and Reproductive Endocrinology. He graduated from Harvard University magna cum laude. His medical training was at the University of Pennsylvania. His residency and fellowship training were at Pennsylvania Hospital. Prior to coming to Philadelphia, Dr. Pfeffer was Head of Reproductive Endocrinology at the Henry Ford Hospital in Detroit, Michigan.

Dr. Pfeffer belongs to numerous medical organizations including the Society of Reproductive Endocrinologist and the Society of Reproductive Surgeons. He has authored many publications about fertility and surgery and has been awarded an ACOG-Ortho Prize Fellowship in reproductive endocrinology as well as the S. Leon Israel prize of the Philadelphia Obstetrical Society. Dr. Pfeffer has been selected as a “Top Doc” by Philadelphia Magazine on numerous occasions. When not in the office he may be found at the piano or riding his horse.

To schedule an appointment with Dr. Pfeffer, please click here.

Dr Orris joined the staff in July 2003 and has focused his time and efforts serving patients in the western suburbs of the Main Line.

Dr. Orris completed his undergraduate degree at the University of Pennsylvania, a Masters of Business Administration at St. Joseph’s University and medical school at the Philadelphia College of Osteopathic Medicine. He went on to complete his residency at the Lankenau Hospital and received his formal fellowship training at the University of Connecticut.

In addition to performing IVF at Bryn Mawr Hospital, Dr. Orris is the Director and founder of Main Line Fertility’s anonymous egg donor program.In addition to egg donation, Dr. Orris has special interests in IVF and preimplantation genetic diagnosis. He has studied poor responder patients and has published book chapters relating to preimplantation genetic diagnosis and the prevention of ovarian hyperstimulation syndrome.

Dr. Orris is a member of the American Society of Reproductive Medicine, American College of Obstetrics and Gynecology, Society of Reproductive Endocrinologists, American Medical Association, American Society of Gynecologic Laparoscopists, the Philadelphia Obstetrical Society and Resolve. Dr. Orris is board certified in both Obstetrics and Gynecology and the Board’s Division of Reproductive Endocrinology and Infertility. Dr. Orris is on active staff at Paoli, Bryn Mawr, and Lankenau Hospitals. He also has privileges at Riddle and Chester County Hospitals.

To schedule an appointment with Dr. Orris, please click here.

Dr. Glassner was recently named Division Head of Infertility for Main Line Health System. He also is a clinical professor at Drexel School of Medicine and clinical educator at Jefferson Medical School. Dr. Glassner is a founding partner of Main Line Fertility and Reproductive Medicine. He is also the founding Director of the Center for Reproductive Medicine at Bryn Mawr Hospital and under his tutelage has become a leading IVF center in the area.

He graduated from Albany Medical College after completing both medical school and college in six years. Dr. Glassner served his residency at The Medical College of Pennsylvania and performed his fellowship in Reproductive Medicine and Infertility at The Hospital of the University of Pennsylvania. He has been in private practice treating infertility patients for almost 15 years.

Dr. Glassner has authored numerous publications in his field, is a member of the leading professional organizations, and serves on the professional advisory board of a number of organizations. He has had the opportunity to provide care to patients locally, nationally and internationally.

Dr. Glassner has been recognized as a “Top Doctor” by Philadelphia Magazine and by Main Line Today for the last 8 years in a row. He was recognized as one of the best infertility physicians in the Delaware Valley by the nationally recognized Consumers Checkbook , as well as by Castle Connolly in America’s Top Doctors. He has been featured as a medical expert on ABC’s 20/20, NBC, CBS, as well as The Discovery Health Network and CN8.

• 04.06.09, Dr. Glassner featured on CBS for first pregnancy in tri-state area from a frozen egg
• 02.2006, Dr. Glassner featured on Discover Health Channel for IVF
• 11.10.2005, Dr. Glassner featured on CBS, “Gestational Carrier in IVF”
• 11.2004, Dr. Glassner featured on NBC, “Preimplantation genetic diagnosis (PGD)”
• 03.2004, Dr. Glassner featured on Discovery Health Channel, “Twins by Surrogacy”
• 08.19.03, Dr. Glassner featured as a medical expert on ABC’s 20/20

To schedule an appointment with Dr. Glassner, please click here.