This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / PA

JOHN K WAAS, DO

MEDICAL ONCOLOGY

Medical school: PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 1996

Also: HEMATOLOGY, INTERNAL MEDICINE

NPI: 1093789489

Practice Locations (1)

HEMATOLOGY ONCOLOGY ASSOCIATION

200 VILLAGE DR

GREENSBURG, PA 156013783

7248381900

Source: CMS National Downloadable File, September 2026.

JOHN WAAS, DO | HealthCareAtlasUSA