Michael Donahoe, MD

Dr. Royer joined Ophthalmology Associates in 2014, bringing rich experience from varied settings like the V.A. Medical Center and private practice. As our Contact Lens Specialist, he excels in multifocal lenses and challenging Keratoconus cases. Dr. Royer is also skilled in managing Glaucoma, Cataracts, and Dry Eye among other conditions. Despite a busy schedule, Dr. Royer contributed to over 30 FDA trials, testing new treatments for various eye ailments, showcasing his dedication to advancing eye care. In 2005, Andrew graduated with honors from Southern College of Optometry in Memphis, TN earning his Doctor of Optometry degree.

Gregg J. Berdy, MD, FACS is a board-certified and fellowship trained ophthalmologist. He began private practice in St. Louis in 1990 and has participated in numerous clinical trials throughout his career, including serving as a principal investigator for at least fifty F.D.A. trials. Dr. Berdy has been the principal or co-author of twenty five publications in the ophthalmic literature and has authored four chapters in ophthalmic textbooks. Dr. Berdy is an ophthalmologist who strives to achieve excellence in patient care, clinical research and teaching.

Ranjan P. Malhotra, MD, FACS was born in St. Louis, Missouri and was raised in Sunset Hills, Missouri. He attended the University of Missouri-Kansas City, enrolling in their accelerated 6-year Bachelor’s/Medical Degree Program, graduating with honors in 1995. He completed his internship at St. John’s Mercy Hospital in St. Louis, followed by a move to Dallas, Texas to complete his residency in Ophthalmology at the University of Texas-Southwestern Medical Center. After successfully completing residency, Dr. Malhotra chose to further specialize in Cornea/External Disease and Refractive Surgery. He earned a fellowship position at the Dean McGee Eye Institute in Oklahoma City in 2000. He is board-certified in the field of Ophthalmology.