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Mr. John C. Onderko

Family Medicine

  • (814) 266-8686

Mr. Onderko's Overview

Mr. Onderko works in Johnstown, PA and 1 other location and specializes in Family Medicine. Mr. Onderko is affiliated with Conemaugh Memorial Medical Center and Windber Medical Center.

Mr. Onderko's Experience

Years in Practice: Not Available

Conditions Treated by Mr. Onderko

  • Not Available

Procedures Performed by Mr. Onderko

  • Not Available

Mr. Onderko's Specialties

Family Medicine

Mr. Onderko's Education & Training

Medical School: Not Available

Mr. Onderko's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Mr. Onderko's Accepted Insurance

  • Not Available

Mr. Onderko's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

Other Physicians in Mr. Onderko's Practice

Mr. Onderko's Hospital Affiliations

Office Locations

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