Mr. John C. Onderko is a practicing physician. Mr. Onderko practices medicine in Johnstown, PA and 1 other location and specializes in Family Medicine. Mr. Onderko is affiliated with Windber Medical Center and Conemaugh Memorial Medical Center. Mr. Onderko speaks English and Spanish.
Gender: Not Available
Years in Practice: Not Available
Languages Spoken: English, Spanish
Medical School: Not Available
Graduation Date: Not Available
Specialties: Family Medicine
*This physician has multiple office locations. See Appointments for details.