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. William Grizos:
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Specialties & Research
Dr. William Grizos, MD is board certified in Internal Medicine and Radiation Oncology.
Education & Awards
Dr. Grizos graduated from Thomas Jefferson University, Philadelphia.
Dr. Grizos has 17 hospital affiliations:
- Chestnut Hill Hospital
- Main Line Hospital Paoli
Accepted Insurance Plans
Dr. Grizos accepts these health insurances in at least one office:
- United Healthcare - 2 plans
- Highmark Blue Cross Blue Shield - 2 plans
- Independence Blue Cross - 2 plans
- Unicare - 2 plans
- Oxford Health Plans - 2 plans
- Humana - 2 plans
- Cigna - 3 plans
- Aetna - 3 plans
- Great-West Healthcare - 1 plan
- USA H & W Network - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. William T. Grizos practice?
Dr. William Grizos practices Internal Medicine, Medical Oncology, Radiology, Radiation Oncology, and Adolescent Medicine near Philadelphia, PA.
Additional practice locations include: Jenkintown, PA and Phoenixville, PA.
See Philadelphia Internists, Philadelphia Oncologists, Philadelphia Radiologists, Philadelphia Radiation Oncologists, and Philadelphia Adolescent Specialists.