5.0 based on 12 reviewsView this provider's reviews
Patient satisfaction ratings and reviews are based on personal opinions. Before you choose any doctor you should take into account their background, training, specialized experience AND their patient satisfaction to ensure they are the right fit for you.
Dr. John Waas, DO is a hematology specialist in Irwin, PA and has been practicing for 22 years. He graduated from Philadelphia College Of Osteopathic Medicine in 1996 and specializes in hematology and oncology.