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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Greskovich:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Greskovich, Radiation Oncologist, Medical Oncologist is Average. Dr. Greskovich has been reviewed by 4 patients who have provided 1 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.0
Promptness 1.0
Courteous Staff 1.0
Accurate Diagnosis 1.7
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. John Greskovich, MD is board certified in Radiation Oncology.

  • He has special expertise in 5 areas:
  • Cancer
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Head and Neck Cancer
  • Intensity-Modulated Radiotherapy
  • Lung Cancer

Education & Awards

Dr. Greskovich graduated from The Ohio State University , Columbus.


Dr. Greskovich has 10 hospital affiliations:

  • University Hospitals of Cleveland 
  • Cleveland Clinic HS - Fairview Hospital 


  • English

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Additional Information
Dr. John Frank Greskovich MD is a male Radiologist, has 21 years of experience and practices in Radiology and Radiation Oncology.
Where does Dr. John F. Greskovich practice?
Dr. John Greskovich has 1 office location.
Dr. John Greskovich practices Radiology and Radiation Oncology near Cleveland, OH.
See Cleveland Radiologists and Cleveland Oncologists.