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. Peter Shields:
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Specialties & Research
Dr. Peter Shields, MD is board certified in Internal Medicine and Medical Oncology.
- He has special expertise in 8 areas:
- Blood Disorders
- Breast Cancer
- Chromosome Aberrations
- Lung Cancer
- Lung Cancer (Non-Small-Cell Lung Carcinoma)
- Mouth Cancer
- Stomach Cancer
Education & Awards
Dr. Shields graduated from New York University - Mount Sinai. He has 5 awards.
Dr. Shields has 2 hospital affiliations:
- Georgetown University Hospital
- Georgetown University
Accepted Insurance Plans
Dr. Shields accepts these health insurances in at least one office:
- Aetna - 3 plans
- United Healthcare - 19 plans
- CareFirst - 3 plans
- Great-West Healthcare - 2 plans
- The Chartered Health Plan - 1 plan
- Evercare - 3 plans
- Humana - 6 plans
- Cigna - 4 plans