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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. Warren Gefter:

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Specialties & Research

Dr. Warren Gefter, MD is board certified in Diagnostic Radiology.

  • He has special expertise in 17 areas:
  • Asbestosis (Asbestos-related diseases)
  • Colon Cancer
  • Colorectal Cancer
  • Esophageal Diseases
  • Fungal Lung Diseases
  • Gastrointestinal Cancer
  • Liver Cancer
  • Lung Cancer
  • Lung Diseases
  • Lung Diseases (Pleural Diseases)
  • Mouth Cancer
  • Pancreatic Cancer
  • Pleural Effusion
  • Pulmonary Embolism
  • Pulmonary Fibrosis
  • Rectal Cancer
  • Thyroid Cancer

Education & Awards

Dr. Gefter graduated from University of Pennsylvania , Philadelphia. He has 5 awards.

One of America's Leading Experts on:
Deep Vein Thrombosis--DVT (Pulmonary Embolism)
Lung Cancer (Lung Neoplasm)
Lung Diseases
Lung Diseases (Pleural Diseases)
Castle Connolly America's Top Doctors® (2007 - 2008, 2010 - 2015)


Dr. Gefter has 7 hospital affiliations:

  • Pennsylvania Hospital University PA Health System 
  • Hospital of the University of PA 

> > > > Dr. Warren Gefter, MD

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Additional Information
Dr. Warren B Gefter MD is a male Diagnostic Radiologist, has 37 years of experience and practices in Diagnostic Radiology.
Where does Dr. Warren B. Gefter practice?
Dr. Warren Gefter has 1 office location.
Dr. Warren Gefter practices Diagnostic Radiology near Philadelphia, PA.
See Philadelphia Radiologists.