Hematology
John Waas, DO
Hematology Specialist
Greensburg, PA
Dr. John Waas, DO is a Hematology Specialist who practices in Irwin, PA. He is 67 years old and has been practicing for 30 years.
30+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2024-2026 (3 years)
Clinical Focus
Subspecialties
Hematology & Oncology
Conditions & Treatments
LeukemiaLymphomaImmunotherapyHematologic MalignanciesLung CancerMultiple Myeloma
Practice Details
Hospital Affiliations
- Excela Health Westmoreland Hospital
Experience
30+ years in practice