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).
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Specialties & Research
Dr. Thomas Nealis, MD is board certified in Internal Medicine.
- He has special expertise in 7 areas:
- Colon Cancer
- Colon Tumor (Adenomatous Polyps)
- Inflammatory Bowel Diseases (IBD)
- Ulcerative Colitis
Education & Awards
Dr. Nealis graduated from Georgetown University, Washington.
Dr. Nealis has 1 hospital affiliations:
- Northwestern Memorial Hospital
Accepted Insurance Plans
Dr. Nealis accepts these health insurances in at least one office:
- Aetna - 3 plans