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).
- Currently 4 of 4 stars
The overall average patient rating of Dr. Gregory Sibley is Excellent. Dr. Sibley has been reviewed by 6 patients who have provided 2 comments. The rating is 4 out of 4 stars.
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Specialties & Research
Dr. Gregory Sibley, MD is board certified in Radiation Oncology.
He has special expertise in 6 Areas, including Breast Cancer, Genitourinary Cancer Lung Cancer Head and Neck Cancer Pain & Symptom Mgmnt Clinical Trials Biostatistics Epidemiology, and Lung Cancer.3 more special expertise areas
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Education & Awards
Dr. Sibley graduated from University of Michigan Medical School, Ann Arbor. He has 3 awards.
Dr. Sibley has 1 hospital affiliations:
- Sibley Memorial Hospital
Accepted Insurance Plans
Dr. Sibley accepts these health insurances in at least one office:
- United Healthcare - 2 plans
- CareFirst - 2 plans
- Great-West Healthcare - 2 plans
- Humana - 6 plans
- Cigna - 2 plans
More Accepted Insurance
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- Additional Information
- Where does Dr. Gregory S. Sibley practice?
Dr. Gregory Sibley practices Radiation Oncology near Washington, DC.
Additional practice locations include: Bethesda, MD.
See Washington Radiologists.
- Similar Physician Names
- Dr. Greg Sibley, Dr. Gregg Sibley, Dr. Gregorio Sibley