Ophthalmology Associates of York, LLC

Our Doctors

Each member of the medical staff is fully Board Certified.

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Matthew B. Bilder, M.D.

Dr. Bilder, a Pennsylvania native, was raised in the Lehigh Valley. He earned his undergraduate degree from Wesleyan University in Middletown, CT. He graduated from Penn State University College of Medicine, and was inducted into Alpha Omega Alpha medical honor society. Dr. Bilder then completed his residency in Ophthalmology at The Eye and Ear Institute of the University of Pittsburgh, followed by a fellowship in Glaucoma and Anterior Segment Disease at Allegheny General Hospital. He is Certified by the American Board of Ophthalmology. He joined Ophthalmology Associates in 1999. His practice focuses on medical and surgical care of patients with glaucoma, as well as routine and complex cataract surgery.

Dr. Bilder enjoys music and playing guitar, SCUBA diving, traveling with his wife and sons, and relaxing at home in York with his dogs.

Kevin S. Chen, M.D.

Dr. Chen grew up in North Carolina where he completed his undergraduate degree at Duke University and his medical degree at Wake Forest School of Medicine. He then completed his ophthalmology residency at the University of Missouri - Kansas City.

Dr. Chen practiced comprehensive ophthalmology in Delaware for five years prior to joining Ophthalmology Associates in early 2025. He is certified by the American Board of Ophthalmology.

Dr. Chen enjoys spending time with his wife and two sons, watching Duke basketball, and exploring new restaurants. 

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J. Mark Snyder, O.D.

Originally from the Pacific Northwest, Dr. Snyder now resides with his family in Lancaster, PA. After completing his undergraduate degree from Eastern Mennonite University, he attended Pennsylvania College of Optometry in Philadelphia, PA.

Following his doctoral studies, he completed a residency at The Eye Institute in Philadelphia and later became an Associate Professor at Pennsylvania College of Optometry. In late 2017 he joined the team at Ophthalmology Associates.

In addition to being involved in the community, Dr. Snyder has a passion for mission work, having been fortunate to be involved with trips to Guatemala, Haiti, and El Salvador. 

In his spare time, Dr. Snyder can be found running through the back roads of Lancaster County, doing anything outdoors, and spending time with his wife, Kristy and their three kids, Lukas, Graham, and Noah.