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. Mark Ratain:
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Specialties & Research
Dr. Mark Ratain, MD is board certified in Medical Oncology.
- He has special expertise in 2 areas:
- Gene Therapy
Education & Awards
Dr. Ratain graduated from Yale University, New Haven. He has 2 awards.
Dr. Ratain has 1 hospital affiliations:
- The University of Chicago Medicine
Accepted Insurance Plans
Dr. Ratain accepts these health insurances in at least one office:
- United Healthcare - 19 plans
- Great-West Healthcare - 2 plans
- Unicare - 17 plans
- Blue Cross Blue Shield of Illinois - 12 plans
- Cigna - 5 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Mark J. Ratain practice?
Dr. Mark Ratain practices Medical Oncology near Chicago, IL.
Additional practice locations include: Burr Ridge, IL.
See Chicago Oncologists.