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. Gregorio Chejfec:
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Specialties & Research
Dr. Gregorio Chejfec, MD is board certified in Anatomic Pathology & Clinical Pathology.
- He has special expertise in 7 areas:
- Barrett Esophagus
- Carcinoid Tumor
- Colon Cancer
- Glandular Cancer (Adenocarcinoma)
- Liver Cancer
- Stomach Cancer
Education & Awards
Dr. Chejfec graduated from Universidad De Buenos Aires. He has 3 awards.
Dr. Chejfec has 3 hospital affiliations:
- Edward Hines Veterans Affairs Hospital, General Medicine Clinic,
- Chicago Health Care System - West Side Div. - Jessie Brown Hospital
- University of Illinois Medical Center at Chicago
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- Additional Information
- Where does Dr. Gregorio Chejfec practice?
Dr. Gregorio Chejfec practices Pathology, Anatomic Pathology & Clinical Pathology, and Clinical Pathology/Laboratory Medicine near Chicago, IL.
Additional practice locations include: Hines, IL.
See Chicago Pathologists.