Chang Eye Group, Greentree, PA

Eye Care Center

The Chang Eye Group doctors,  Alexander Chang, MD, Rose Ngan, MD, Michael Alunni, MD, Erik Happ, MD, Michele Schraeder, OD, Kristi Weatherly, OD, and Gregory Dziubek, OD are supported by a highly trained and professional staff. We are dedicated to ensuring your comfort and convenience while visiting our Greentree facility. Our Doctors and staff pride themselves in putting your needs first!

Better Vision Starts Here

Flexible appointments with credentialed and highly qualified eye care professionals.

Or call — 412 429 2020

Kindness, knowledge, and care.

Eye doctors who put your needs first.


2101 Greentree Rd. #105, Pittsburgh, PA


3380 Washington Rd. Canonsburg, PA